Fow-Sen Choa - Publications

Affiliations: 
Engineering, Electrical University of Maryland, Baltimore County 
Area:
Electronics and Electrical Engineering, Materials Science Engineering

179 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2018 Meng Q, Cherry M, Refai A, Du X, Lu H, Hong E, Yang Y, Choa FS. Development of Focused Transcranial Magnetic Stimulation for Rodents by Copper-Array Shields. Ieee Transactions On Magnetics. 54. PMID 30344336 DOI: 10.1109/TMAG.2018.2796098  0.48
2018 Du X, Choa FS, Chiappelli J, Wisner KM, Wittenberg G, Adhikari B, Bruce H, Rowland LM, Kochunov P, Hong LE. Aberrant Middle Prefrontal-Motor Cortex Connectivity Mediates Motor Inhibitory Biomarker in Schizophrenia. Biological Psychiatry. PMID 30126607 DOI: 10.1016/j.biopsych.2018.06.007  0.48
2018 Du X, Rowland LM, Summerfelt A, Choa FS, Wittenberg GF, Wisner K, Wijtenburg A, Chiappelli J, Kochunov P, Hong LE. Cerebellar-Stimulation Evoked Prefrontal Electrical Synchrony Is Modulated by GABA. Cerebellum (London, England). PMID 29766458 DOI: 10.1007/s12311-018-0945-2  0.48
2018 Du X, Rowland LM, Summerfelt A, Wijtenburg A, Chiappelli J, Wisner K, Kochunov P, Choa FS, Hong LE. TMS evoked N100 reflects local GABA and glutamate balance. Brain Stimulation. PMID 29759942 DOI: 10.1016/j.brs.2018.05.002  0.48
2018 Meng Q, Jing L, Badjo JP, Du X, Hong E, Yang Y, Lu H, Choa FS. A novel transcranial magnetic stimulator for focal stimulation of rodent brain. Brain Stimulation. PMID 29534946 DOI: 10.1016/j.brs.2018.02.018  0.48
2016 Du X, Kochunov P, Summerfelt A, Chiappelli J, Choa FS, Hong LE. The role of white matter microstructure in inhibitory deficits in patients with schizophrenia. Brain Stimulation. PMID 27867023 DOI: 10.1016/j.brs.2016.11.006  0.48
2016 Du X, Choa FS, Summerfelt A, Rowland LM, Chiappelli J, Kochunov P, Hong LE. N100 as a generic cortical electrophysiological marker based on decomposition of TMS-evoked potentials across five anatomic locations. Experimental Brain Research. PMID 27628235 DOI: 10.1007/s00221-016-4773-7  1
2015 Du X, Choa FS, Summerfelt A, Tagamets MA, Rowland LM, Kochunov P, Shepard P, Hong LE. Neural summation in human motor cortex by subthreshold transcranial magnetic stimulations. Experimental Brain Research. 233: 671-7. PMID 25399245 DOI: 10.1007/s00221-014-4146-z  0.48
2015 Luzhansky E, Choa FS, Merritt S, Yu A, Krainak M. Comparative analysis of QCL MWIR and SWIR communication with PPM signals Adaptive Optics: Analysis, Methods and Systems, Ao 2015. 289. DOI: 10.1364/AOMS.2015.JT5A.7  1
2015 Luzhansky E, Choa FS, Merritt S, Yu A, Krainak M. Mid-IR free-space optical communication with quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 9465. DOI: 10.1117/12.2189315  1
2015 Cooper C, Strobbia P, Schultheis E, Prasad N, Arnold B, Choa FS, Singh NB. Growth and morphology of lead tin selenide for MWIR detectors Proceedings of Spie - the International Society For Optical Engineering. 9491. DOI: 10.1117/12.2179724  1
2015 Razdan V, Singh A, Arnold B, Choa FS, Kelly L, Singh NB. Effect of organic flux on the colossal dielectric constant of CaCu3Ti4O12 (CCTO) Proceedings of Spie - the International Society For Optical Engineering. 9493. DOI: 10.1117/12.2177694  1
2015 Islam M, Romero-Talamas C, Kostov D, Wang W, Liu Z, Hussey DS, Baltic E, Jacobson DL, Gu J, Choa FS. Global nuclear radiation monitoring using plants Proceedings of Spie - the International Society For Optical Engineering. 9486. DOI: 10.1117/12.2177532  1
2015 Meng Q, Hong E, Choa FS. Electroencephalograph (EEG) study of brain bistable illusion Proceedings of Spie - the International Society For Optical Engineering. 9487. DOI: 10.1117/12.2177520  1
2015 Meng Q, Patel P, Trivedi S, Du X, Hong E, Choa FS. Sensor probes and phantoms for advanced transcranial magnetic stimulation system developments Proceedings of Spie - the International Society For Optical Engineering. 9487. DOI: 10.1117/12.2177014  1
2015 Jiang Y, Li L, Ye H, Yang RQ, Mishima TD, Santos MB, Johnson MB, Feng DJY, Choa FS. InAs-Based Single-Mode Distributed Feedback Interband Cascade Lasers Ieee Journal of Quantum Electronics. 51. DOI: 10.1109/JQE.2015.2470534  1
2014 House D, Singh NB, Arnold B, Choa FS, Schreib B. Design and growth of lead selenoiodide semiconductors crystals for radiation detection Proceedings of Spie - the International Society For Optical Engineering. 9213. DOI: 10.1117/12.2062047  1
2014 Islam M, Xi W, Feng DJY, Choa FS. The electrical response of plants under radiation Proceedings of Spie - the International Society For Optical Engineering. 9073. DOI: 10.1117/12.2050831  1
2014 Meng Q, Choa FS, Hong E, Wang Z, Islam M. Control channels in the brain and their influence on brain executive functions Proceedings of Spie - the International Society For Optical Engineering. 9107. DOI: 10.1117/12.2050147  1
2014 Guo D, Chen X, Li JY, Cheng L, Worchesky T, Choa FS. Integrated widely tunable quantum cascade lasers with super-structure gratings Proceedings of Spie - the International Society For Optical Engineering. 9002. DOI: 10.1117/12.2040965  1
2014 Choa FS. Chemical and explosive detections using photo-Acoustic effect and quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 8993. DOI: 10.1117/12.2032026  1
2014 Cai H, Liu S, Lalanne E, Guo D, Chen X, Wang X, Choa FS, Johnson AM. Femtosecond measurements of near-infrared pulse induced mid-infrared transmission modulation of quantum cascade lasers Applied Physics Letters. 104. DOI: 10.1063/1.4880358  1
2013 Guo D, Chen X, Cheng L, Belyanin A, Choa FS. Mid-IR optical amplification and detection using quantum cascade lasers. Optics Express. 21: 30545-52. PMID 24514631 DOI: 10.1364/OE.21.030545  1
2013 Chen X, Guo D, Choa FS, Wang CC, Trivedi S, Snyder AP, Ru G, Fan J. Standoff photoacoustic detection of explosives using quantum cascade laser and an ultrasensitive microphone. Applied Optics. 52: 2626-32. PMID 23669670 DOI: 10.1364/AO.52.002626  1
2013 Lay J, Chen X, Choa FS. Performance comparison of microphone and reflector array structures for real-time and outdoor photoacoustic chemical sensing Proceedings of Spie - the International Society For Optical Engineering. 8710. DOI: 10.1117/12.2016293  1
2013 Chen X, Choa FS, Holthoff E, Pellegrino P, Fan J. Standoff chemical detection with parts per million level calibrated detection sensitivity Proceedings of Spie - the International Society For Optical Engineering. 8710. DOI: 10.1117/12.2016282  1
2013 Chen X, Guo D, Choa FS, Wang CC, Trivedi S, Fan J. Quantum cascade laser based standoff photoacoustic detection of explosives using ultra-sensitive microphone and sound reflector Proceedings of Spie - the International Society For Optical Engineering. 8631. DOI: 10.1117/12.2005695  1
2013 Eisen D, Janssen D, Chen X, Choa FS, Kostov D, Fan J. Closing a Venus Flytrap with electrical and mid-IR photon stimulations Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8565. DOI: 10.1117/12.2005351  1
2013 Cai H, Liu S, Lalanne E, Guo D, Chen X, Wang X, Choa FS, Johnson AM. Time-resolved measurements of near-infrared pulse induced ultrafast optical modulation of quantum cascade lasers Cleo: Qels_fundamental Science, Cleo:Qels Fs 2013. JTh2A.26.  1
2013 Choa FS, Chen X, Lay J, Fan J. Photo-acoustic signal detections using microphone-reflector arrays 20th International Congress On Sound and Vibration 2013, Icsv 2013. 2: 1094-1099.  1
2013 Islam M, Choa FS, Hong E. Evaluating meaningfulness of sound signals with left and right brain interactions 20th International Congress On Sound and Vibration 2013, Icsv 2013. 2: 1418-1423.  1
2012 Guo D, Chen X, Vadala S, Leach J, Kostov Y, Bewley WW, Kim CS, Kim M, Canedy CL, Merritt CD, Vurgaftman I, Meyer JR, Choa FS. Neuron absorption study and mid-IR optical excitations Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8207. DOI: 10.1117/12.909561  1
2012 Chen X, Guo D, Shyu D, Cheng L, Choa FS, Trivedi S. 28-dB gain mid-infrared optical amplification using resonant quantum cascade laser optical amplifier Proceedings of Spie - the International Society For Optical Engineering. 8277. DOI: 10.1117/12.905521  1
2012 Cheng L, Fan J, Janssen D, Guo D, Chen X, Towner FJ, Choa FS. Analysis of InP regrowth on deep-etched mesas and structural characterization for buried-heterostructure quantum cascade lasers Journal of Electronic Materials. 41: 506-513. DOI: 10.1007/s11664-011-1793-8  1
2012 Chen X, Cheng L, Guo D, Li JY, Choa FS. Heat dissipation consideration of high-power mid-infrared quantum cascade laser arrays 2012 Conference On Lasers and Electro-Optics, Cleo 2012 1
2012 Guo D, Chen X, Cheng L, Belyanin A, Trivedi S, Choa FS. Mid-IR optical amplifications using resonant gain of quantum cascade lasers 2012 Conference On Lasers and Electro-Optics, Cleo 2012 1
2012 Chen X, Cheng L, Guo D, Choa FS, Li JY, Bruno J, Bradshaw J, Lascola K, Leavitt R, Pham J, Towner F. Surface emitting quantum cascade laser arrays Frontiers in Optics, Fio 2012 1
2011 Guo D, Chen X, Vadala S, Leach J, Choa FS. Neuron Mid-Infrared Absorption Study for Direct Optical Excitation of Neurons. Proceedings of Spie--the International Society For Optical Engineering. 2011: 491-492. PMID 22754641 DOI: 10.1109/PHO.2011.6110641  1
2011 Chen X, Cheng L, Guo D, Kostov Y, Choa FS. Quantum cascade laser based standoff photoacoustic chemical detection. Optics Express. 19: 20251-7. PMID 21997036 DOI: 10.1364/OE.19.020251  1
2011 Flynn RA, Kim CS, Vurgaftman I, Kim M, Meyer JR, Mäkinen AJ, Bussmann K, Cheng L, Choa FS, Long JP. A room-temperature semiconductor spaser operating near 1.5 μm. Optics Express. 19: 8954-61. PMID 21643148 DOI: 10.1364/OE.19.008954  1
2011 Johnson N, Choa R, Cheng L, Choa FS. X-ray study of strained and strain balanced superlattice materials Materials Research Society Symposium Proceedings. 1318: 91-94. DOI: 10.1557/opl.2011.624  1
2011 Chen X, Shyu D, Choa FS, Trivedi S. Quantum cascade laser as a mid-infrared photovoltaic and photoconductive detector Proceedings of Spie - the International Society For Optical Engineering. 8012. DOI: 10.1117/12.884424  1
2011 Chen X, Janssen D, Kostov D, Choa FS. Standoff chemical detection using quantum cascade lasers and photoacoustic sensing techniques Optics Infobase Conference Papers. DOI: 10.1117/12.884387  1
2011 Belkin MA, Jang M, Adams RW, Chen JX, Charles WO, Gmachl C, Cheng LW, Choa FS, Wang X, Troccoli M, Vizbaras A, Anders M, Grasse C, Amann MC. InGaAs/AlInAs quantum cascade laser sources based on intra-cavity second harmonic generation emitting in 2.6-3.6 micron range Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.879232  1
2011 Chen X, Cheng L, Guo D, Choa FS, Worchesky T. Thermal investigation of mid-infrared quantum cascade lasers under quasi-continuous-wave operations Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.875968  1
2011 Chen X, Cheng L, Guo D, Choa FS, Worchesky T. Low threshold short cavity quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.875960  1
2011 Guo D, Choa FS, Cheng L, Chen X. Near-Infrared induced negative photoconductance and its relationship with optical quenching of mid-infrared Quantum Cascade Lasers Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.875910  1
2011 Shyu D, Choa FS, Chen X, Trivedi S. Novel Mid-IR quantum cascade laser waveguide couplingtechniques Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.875832  1
2011 Cheng L, Choa FS. Design and operation of mid-IR integrated DBR tunable lasers Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.875680  1
2011 Guo D, Cheng L, Chen X, Choa FS, Fan J, Worchesky T. Electrical derivative measurement of quantum cascade lasers Journal of Applied Physics. 109. DOI: 10.1063/1.3549731  1
2011 Jolaoso S, Choa FS, Choa R. Spectrogram analysis and evaluation and brainwave appreciation of music 18th International Congress On Sound and Vibration 2011, Icsv 2011. 4: 3022-3029.  1
2011 Cai H, Liu S, Cheng L, Lalanne E, Choa FS, Johnson A. Mid-IR photoluminescence measurement of InAs/GaSb type II superlattices Optics Infobase Conference Papers 1
2011 Chen X, Cheng L, Guo D, Choa FS. Standoff photoacoustic chemical detection using quantum cascade lasers 16th Opto-Electronics and Communications Conference, Oecc 2011. 362-363.  1
2011 Guo D, Chen X, Cheng L, Belyanin A, Choa FS. Mid-infrared QCL as a tunable resonant amplifying photodetector 16th Opto-Electronics and Communications Conference, Oecc 2011. 297-298.  1
2010 Chu MW, Liou SC, Chang CP, Choa FS, Chen CH. Emergent chemical mapping at atomic-column resolution by energy-dispersive x-ray spectroscopy in an aberration-corrected electron microscope. Physical Review Letters. 104: 196101. PMID 20866981 DOI: 10.1103/PhysRevLett.104.196101  1
2010 Chen X, Cheng L, Guo D, Choa FS, Worchesky T, Li JY. Quasi-continuous-wave operations of quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 7750. DOI: 10.1117/12.873031  1
2010 Chen X, Cheng L, Guo D, Choa FS, Worchesky T, Li JY. Low-threshold current short-cavity quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 7750. DOI: 10.1117/12.873030  1
2010 Guo D, Choa FS, Cheng L, Chen X. Near-infrared quenching effects on mid-infrared quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 7616. DOI: 10.1117/12.842765  1
2010 Cheng L, Chen X, Choa FS, Worchesky T. Integrated tunable DBR quantum cascade lasers with 30 cm-1 tuning range at 4.7 μm Proceedings of Spie - the International Society For Optical Engineering. 7616. DOI: 10.1117/12.842397  1
2010 Jang M, Adams RW, Chen JX, Charles WO, Gmachl C, Cheng LW, Choa FS, Belkin MA. Room-temperature operation of 3.6 μm In0.53Ga 0.47As/Al0.48In0.52 As quantum cascade laser sources based on intracavity second harmonic generation Applied Physics Letters. 97. DOI: 10.1063/1.3491219  1
2010 Jang M, Adams RW, Chen JZ, Gmachl C, Cheng L, Choa FS, Belkin MA. Room-temperature operation of λ≈3.7μm Ga0.47In0.53As/ Al0.48In0.52As quantum cascade laser sources Optics Infobase Conference Papers 1
2010 Jang M, Adams RW, Chen JZ, Gmachl C, Cheng L, Choa FS, Belkin MA. Room-temperature operation of λ≈3.7μm Ga0.47in 0.53As/Al0.48in0.52As quantum cascade laser sources Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, Cleo/Qels 2010 1
2009 Ribaudo T, Shaner EA, Howard SS, Gmachl C, Wang XJ, Choa FS, Wasserman D. Active control and spatial mapping of mid-infrared propagating surface plasmons. Optics Express. 17: 7019-24. PMID 19399076 DOI: 10.1364/OE.17.007019  1
2009 Ribaudo T, Shaner EA, Howardc SS, Gmachl C, Wang XJ, Choa FS, Wasserman D. Active control of propagating waves on plasmonic surfaces Proceedings of Spie - the International Society For Optical Engineering. 7221. DOI: 10.1117/12.809614  1
2009 Guo D, Choa FS, Cheng L, Chen X, Godbole M. Electrical derivative analysis of leakage current in quantum cascade lasers Conference Proceedings - International Conference On Indium Phosphide and Related Materials. 276-277. DOI: 10.1109/ICIPRM.2009.5012512  1
2009 Cheng L, Choa R, Khurgin J, Choa FS, Chen X, Wang X, Fan J, Chen J, Gmachl C. X-ray diffraction analysis of quantum cascade lasers Conference Proceedings - International Conference On Indium Phosphide and Related Materials. 267-269. DOI: 10.1109/ICIPRM.2009.5012507  1
2009 Cheng L, Godbole M, Choa FS, Janssen D, Astri R, Fan J. Deep etching and rabbit-ear-free regrowths for quantum Cascade lasers Conference Proceedings - International Conference On Indium Phosphide and Related Materials. 219-221. DOI: 10.1109/ICIPRM.2009.5012487  1
2009 Gu Y, Wu X, Choa FS. High detection efficiency InGaAs/InP single photon avalanche photodiodes Conference Proceedings - International Conference On Indium Phosphide and Related Materials. 146. DOI: 10.1109/ICIPRM.2009.5012462  1
2009 Hoffman AJ, Sridhar A, Braun PX, Alekseyev L, Howard SS, Franz KJ, Cheng L, Choa FS, Sivco DL, Podolskiy VA, Narimanov EE, Gmachl C. Midinfrared semiconductor optical metamaterials Journal of Applied Physics. 105. DOI: 10.1063/1.3124087  1
2009 Graninger A, Chen X, Choa FS. Stand-off chemical detection using acoustic beam forming & photoacoustic sensing 16th International Congress On Sound and Vibration 2009, Icsv 2009. 7: 4125-4132.  1
2009 Choa R, Khurgin J, Choa FS. Real time spectrum analyzer analysis and evaluation of string instruments 16th International Congress On Sound and Vibration 2009, Icsv 2009. 7: 4117-4124.  1
2009 Ribaudo T, Shaner EA, Howard SS, Gmachl C, Wang X, Choa FS, Wasserman D. Active control and spatial mapping of mid-infrared propagating surface plasmons 2009 Conference On Lasers and Electro-Optics and 2009 Conference On Quantum Electronics and Laser Science Conference, Cleo/Qels 2009 1
2009 Ribaudo T, Shaner EA, Howard SS, Gmachl C, Wang X, Choa FS, Wasserman D. Active control and spatial mapping of mid-infrared propagating surface plasmons 2009 Conference On Lasers and Electro-Optics and 2009 Conference On Quantum Electronics and Laser Science Conference, Cleo/Qels 2009 1
2008 Gu Y, Choa FS, Feng Y, Wu X, Wu S, Guan B, Su P, Krainak MA. Single-photon avalanche photodiode with improved structure using an innovative current bias scheme Proceedings of Spie - the International Society For Optical Engineering. 6890. DOI: 10.1117/12.764540  1
2008 Guo D, Chen X, Cheng L, Graninger A, Choa FS. Electrical derivative measurement of quantum cascade lasers (QCLs) Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 806-807. DOI: 10.1109/LEOS.2008.4688866  1
2008 Liu Z, Gmachl CF, Cheng L, Choa FS, Towner FJ, Wang X, Fan J. Temperature dependence of optical gain and loss in λ ≈ 8.2-10.2 μm quantum-cascade lasers Ieee Journal of Quantum Electronics. 44: 485-492. DOI: 10.1109/JQE.2008.917273  1
2008 Talukder MA, Choa FS, Menyuk CR, Franz KJ, Howard SS, Gmachl CF. Novel heat removal waveguide structure for high performance quantum cascade lasers 2008 Conference On Quantum Electronics and Laser Science Conference On Lasers and Electro-Optics, Cleo/Qels. DOI: 10.1109/CLEO.2008.4552050  1
2007 Choa FS, Cheng L, Ji X, Liu Z, Wasserman D, Howard SS, Gmachl CF, Wang X, Fan J, Khurgin J. MOCVD growth and regrowth of quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 6485. DOI: 10.1117/12.714269  0.68
2007 Gu Y, Choa FS, Wu S, Wu X, Yan F, Su P, Krainak MA. Current bias mode - An innovative scheme for photon counting avalanche photodiodes (APD) array operations Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 453-454. DOI: 10.1109/LEOS.2007.4382474  0.68
2007 Choa FS. Growth and processing techniques for fabricating ultra broadband high-power low-cross-talk semiconductor optical amplifiers Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 322-323. DOI: 10.1109/LEOS.2006.279096  0.68
2007 Cheng L, Ji X, Choa FS, Liu Z, Gmachl CF, Fa J, Wang X, Leavitt R, Bruno J, Bradshaw J. Growth studies of quantum cascade lasers with current-blocking structures Conference On Lasers and Electro-Optics, 2007, Cleo 2007. DOI: 10.1109/CLEO.2007.4453592  1
2007 Wang X, Fan J, Tanbun-Ek T, Choa FS. Low-threshold-current-density room-temperature continuous-wave quantum-cascade-lasers grown by metal organic chemical vapor deposition Conference On Lasers and Electro-Optics, 2007, Cleo 2007. DOI: 10.1109/CLEO.2007.4453053  1
2007 Liu Z, Silva G, Paulose JJ, Gmachl CF, Cheng L, Choa FS, Leavitt R, Towner FJ, Wang X, Fan J. Temperature-dependent gain and loss in high performance quantum cascade lasers at 8.2 and 10.3μm Conference On Lasers and Electro-Optics, 2007, Cleo 2007. DOI: 10.1109/CLEO.2007.4453052  1
2007 Wu X, Gu Y, Yan F, Choa FS, Shu P. High uniformity, stability, and reliability large-format InGaAs APD arrays Conference On Lasers and Electro-Optics, 2007, Cleo 2007. DOI: 10.1109/CLEO.2007.4452558  1
2007 Wang XJ, Fan JY, Tanbun-Ek T, Choa FS. Low threshold quantum-cascade lasers of room temperature continuous-wave operation grown by metal-organic chemical-vapor deposition Applied Physics Letters. 90. DOI: 10.1063/1.2741409  0.68
2007 Liu Z, Wasserman D, Howard SS, Hoffman AJ, Gmachl CF, Wang X, Tanbun-Ek T, Cheng L, Choa FS. High performance quantum cascade lasers grown by MOCVD with/without lateral regrowth Aip Conference Proceedings. 893: 519-520. DOI: 10.1063/1.2729994  1
2006 Ji X, Cheng L, Cai J, Ru G, Choa FS. High power slab-coupled waveguide laser Proceedings of Spie - the International Society For Optical Engineering. 6343. DOI: 10.1117/12.708045  0.68
2006 Yan J, Cai J, Ru G, Yu X, Fan J, Choa FS. InGaAsP-InP dual-wavelength bipolar cascade lasers Ieee Photonics Technology Letters. 18: 1777-1779. DOI: 10.1109/LPT.2006.880772  0.68
2006 Liu Z, Wasserman D, Howard SS, Hoffman AJ, Gmachl CF, Wang X, Tanbun-Ek T, Cheng L, Choa FS. Room-temperature continuous-wave quantum cascade lasers grown by MOCVD without lateral regrowth Ieee Photonics Technology Letters. 18: 1347-1349. DOI: 10.1109/LPT.2006.877006  0.68
2006 Liu Z, Wasserman D, Howard SS, Gmachl CF, Wang X, Tanbun-Ek T, Cheng L, Choa FS. MOCVD-grown room temperature continuous-wave quantum cascade lasers without lateral regrowth Conference On Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, Cleo/Qels 2006. DOI: 10.1109/CLEO.2006.4628189  1
2006 Wu S, Wu X, Choa FS, Krainak MA. Methods to improve gain and dark current of photon counting avalanche photo-diodes Conference On Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, Cleo/Qels 2006. DOI: 10.1109/CLEO.2006.4627962  1
2006 Ru G, Choa FS, Wei X, Chen G, Khurgin JB. Measurement of the lifetimes of photo-excited carriers in type-I and type-II quantum well materials Conference On Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, Cleo/Qels 2006. DOI: 10.1109/CLEO.2006.4627932  1
2006 Cai J, Choa FS, Gu Y, Ji X, Yan J, Ru G, Cheng L, Fan J. Very low threshold, carrier-confined diode lasers by a single selective area growth Applied Physics Letters. 88. DOI: 10.1063/1.2200471  0.68
2006 Gu Y, Wu X, Wu S, Choa FS, Yan F, Shu P, Krainak M. 4×4 Individually addressable InGaAs APD arrays optimized for photon counting applications Leos Summer Topical Meeting. 3-4.  1
2006 Cai J, Gu Y, Ji X, Yan J, Ru G, Cheng L, Choa FS, Fan J. Very low threshold, Carrier- and Index-Confined semiconductor lasers by one single Selective-Area-Growth Optics Infobase Conference Papers 1
2006 Yan J, Cai J, Ru G, Yu X, Choa FS, Fan J. InGaAsP/InP dual wavelength bipolar cascade lasers with 100nm wavelength spacing Optics Infobase Conference Papers 1
2006 Ji X, Cai J, Choa FS, Wang X, Diep J, Le T. Thin-film double-side heat removal laser diodes Optics Infobase Conference Papers 1
2006 Khurgin JB, Xie X, Choa Fs, Yu X, Cai J, Yan J, Ji X, Gu Y, Fang Y, Sun Y, Chen Z. Optimization of the performance of frequency-modulated DFB semiconductor laser: Theory and experiment Optics Infobase Conference Papers 1
2005 Lin J, Leven A, Reyes R, Chen YK, Choa FS. Optical waveguide loss induced by metal cladding Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 23: 1361-1363. DOI: 10.1116/1.1990126  1
2005 Xie X, Khurgin J, Choa FS, Yu X, Cai J, Yan J, Ji X, Gu Y, Fang Y, Sun Y, Ru G, Chen Z. A model for optimization of the performance of frequency-modulated DFB semiconductor laser Ieee Journal of Quantum Electronics. 41: 473-482. DOI: 10.1109/JQE.2005.844070  1
2005 Choa FS, Zhao X, Yu X, Lin J, Zhang JP, Gu Y, Ru G, Zhang G, Li L, Xiang H, Hadimioglu H, Chao HJ. An optical packet switch based on WDM technologies Journal of Lightwave Technology. 23: 994-1014. DOI: 10.1109/JLT.2004.841459  1
2005 Ru G, Yu X, Chen Z, Zhang J, Lin J, Choa FS. Material quality improvements of ultra-broadband gain materials grown by selective-area-growth techniques Journal of Crystal Growth. 285: 499-505. DOI: 10.1016/j.jcrysgro.2005.08.051  0.68
2005 Yan J, Cai J, Ru G, Yu X, Choa FS, Fan J. InGaAsP/InP dual wavelength bipolar cascade lasers with l00nm wavelength spacing 2005 Conference On Lasers and Electro-Optics, Cleo. 1: 571-573.  0.68
2004 Cai Y, Adali T, Xiang Q, Zhao X, Zhang J, Choa FS. Adaptive equalization approach for canceling the multipath effect in multimode fibers Proceedings of Spie - the International Society For Optical Engineering. 4087: 429-437. DOI: 10.1117/12.406436  1
2004 Zhao X, Zhao Y, Wang L, Chai Y, Choa FS. Transparent all-optical packet network using digital header and arbitrary payload Proceedings of Spie - the International Society For Optical Engineering. 4087: 32-36. DOI: 10.1117/12.406427  1
2004 Zhao X, Choa FS. Theoretical analysis of semiconductor-optical-amplifier-based wavelength converters Proceedings of Spie - the International Society For Optical Engineering. 4087: 343-347. DOI: 10.1117/12.406422  1
2004 Zhao X, Choa FS. All-optical HIPPIs using photonic switches and optical buffer memories Proceedings of Spie - the International Society For Optical Engineering. 4087: 28-31. DOI: 10.1117/12.406416  1
2004 Xiang Q, Choa FS. Scalable broadband wireless systems using dense WDM backbones Proceedings of Spie - the International Society For Optical Engineering. 4087: 136-139. DOI: 10.1117/12.406368  1
2004 Xiang Q, Choa FS. WDM-based high-speed optical dual-bus LAN Proceedings of Spie - the International Society For Optical Engineering. 4087: 130-135. DOI: 10.1117/12.406358  1
2004 Zhang JP, Zhao X, Wang X, Choa FS, Lin J, Carter GM. Selective area growth materials for widely tunable semiconductor lasers Proceedings of Spie - the International Society For Optical Engineering. 4087: 836-839. DOI: 10.1117/12.406317  1
2004 Zhang JP, Wang X, Fan JY, Xiang Q, Choa FS. Adiabatic mode expansion laser diodes fabricated by selective area growth Proceedings of Spie - the International Society For Optical Engineering. 4087: 831-835. DOI: 10.1117/12.406316  1
2004 Wang X, Choa FS. Effect of background acceptor impurity on the radiative transition in low-dimensional InGaAs material Proceedings of Spie - the International Society For Optical Engineering. 4087: 824-830. DOI: 10.1117/12.406315  1
2004 Xiang Q, Zhao Y, Choa FS. Theoretical and experimental studies on analog fiber optic links utilizing the FM gain in transmissions Proceedings of Spie - the International Society For Optical Engineering. 4087: 1-4. DOI: 10.1117/12.406291  1
2004 Lin J, Zhang J, Choa FS, Zhao X, Khurgin J. A Low-Crosstalk Semiconductor Optical Amplifier Ieee Photonics Technology Letters. 16: 392-394. DOI: 10.1109/LPT.2003.822235  1
2004 Ru G, Yu X, Cai J, Yan J, Choa FS. Robust slab-coupled buried-rib semiconductor laser with high fibre coupling efficiency Electronics Letters. 40: 1538-1539. DOI: 10.1049/el:20047171  1
2004 Ji X, Choa FS. A novel double-side heat-removing laser structure for very high efficiency and high power lasers 2004 1st Ieee Lightwave Technologies in Instrumentation and Measurement Conference. 23-26.  1
2004 Sun Y, Yu X, Ji X, Choa FS. Silicon OEICs with optical switching and amplification capability 2004 1st Ieee Lightwave Technologies in Instrumentation and Measurement Conference. 130-134.  0.68
2004 Zhao Y, Chen JH, Choa FS. Intraband-crosstalk free add/drop module for wavelength division multiplexed networks Journal of Optical Communications. 25: 161-164.  1
2004 Lin J, Leven A, Weimann NG, Yang Y, Kopf RF, Reyes R, Chen YK, Choa FS. Smooth and vertical-sidewall InP etching using Cl 2/N 2 inductively coupled plasma Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 22: 510-512.  1
2004 Zhao X, Choa FS, Zhang J. The effect of series resistance on the linearity and cross-talk of an SAG based broad band semiconductor optical amplifier Osa Trends in Optics and Photonics Series. 96: 755-757.  1
2004 Khurgin JB, Kang JU, Choa FS, Boroditsky M. Comparative analysis of the optical buffers based on coupled, resonators lines and on media with electromagnetically induced transparency Osa Trends in Optics and Photonics Series. 96: 1245-1246.  1
2003 Xie X, Khurgin JB, Choa FS. Suppression of Spurious Intensity Modulation in Frequency-Modulated Semiconductor Lasers Ieee Journal On Selected Topics in Quantum Electronics. 9: 1294-1299. DOI: 10.1109/JSTQE.2003.819479  0.48
2003 Cai J, Chen Z, Ji X, Sun Y, Lin J, Zhao X, Yu Z, Yu X, Zhang J, Yan J, Raj M, Choa FS. Fast frequency tuning characteristics of a FM laser based on the integrated MQW DFB laser/EA modulator device Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 638-639.  1
2003 Ru G, Yu X, Sun Y, Chen Z, Choa FS. Wavelength shift and strain in quantum well structure by MOCVD selective area growth Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 702-703.  1
2003 Gu Y, Yan J, Raj M, Choa FS, Jagannathan GV, Trivedi S, Feng J. High-efficiency InP based four-junction solar cells Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 927-928.  1
2003 Gu Y, Choa FS. Low bias, low noise single-avalanche-stage APDs Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 1001-1002.  1
2003 Sun Y, Ji XM, Chen Z, Yan JZ, Cai JX, Raj M, Choa FS. A new open-hole buried heterostructure process for the fabrication of photonic integrated circuits Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 1028-1029.  1
2003 Gu Y, Choa FS. High gain, high speed, low noise single-avalanche-stage APDs Proceedings of Spie - the International Society For Optical Engineering. 5260: 106-109.  1
2003 Zhao X, Choa FS. The Effect of Contact Resistance in a Broad Band Semiconductor Optical Amplifier using SAG Techniques Proceedings of Spie - the International Society For Optical Engineering. 5260: 535-538.  1
2003 Yan J, Ru G, Gong Y, Choa FS. Study of P-Type Carbon Doping on In 0.53Ga 0.47As, In 0.52Al 0.2Ga 0.28As and In 0.52Al 0.48As Proceedings of Spie - the International Society For Optical Engineering. 5260: 446-449.  1
2003 Ru G, Chen Z, Yu X, Choa FS, Worchesky T, Liu F, Lu C, Khurgin JB. Γ-X band mixing in GaAs/AlAs superlattice Proceedings of Spie - the International Society For Optical Engineering. 5260: 257-260.  1
2003 Ru G, Yan J, Chen Z, Choa FS, Worchesky T. In 1-xGa xAs yP 1-y nipi structure and its application to semiconductor optical amplifiers Proceedings of Spie - the International Society For Optical Engineering. 5260: 531-534.  1
2003 Chen ZB, Cai J, Ji X, Sun Y, Lin J, Zhao X, Yu X, Zhang J, Choa FS. On the Growth and Fabrication of an Integrated DFB Laser and EA Modulator Proceedings of Spie - the International Society For Optical Engineering. 5260: 436-438.  1
2003 Yan J, Ru G, Choa FS. Study of N-Type Si Delta Doping on InP and In 0.53Ga 0.47As Proceedings of Spie - the International Society For Optical Engineering. 5260: 442-445.  1
2003 Sun Y, Chen Z, Ji XM, Choa FS. Open-Window BH Process for the Fabrication of Integrated Photonic Devices Proceedings of Spie - the International Society For Optical Engineering. 5260: 439-441.  1
2003 Ru G, Yu X, Chen Z, Choa FS. Study of strain effect in MOCVD selective area growth Proceedings of Spie - the International Society For Optical Engineering. 5260: 450-453.  1
2003 Gu Y, Yan J, Raj M, Choa FS, Jagannathan GV, Trivedi S, Feng J. High-efficiency InP Based Multi-junction Solar Cells Proceedings of Spie - the International Society For Optical Engineering. 5260: 110-113.  1
2003 Ru G, Yu X, Sun Y, Chen Z, Choa FS. Study of wavelength shift in quantum well structure by MOCVD selective area growth Proceedings of Spie - the International Society For Optical Engineering. 5260: 454-456.  1
2003 Xie X, Khurgin J, Kang J, Choa F. Linearized electro-optical intensity modulator Osa Trends in Optics and Photonics Series. 88: 555-557.  1
2002 Mu X, Ding YJ, Khurgin JB, Wang X, Zhang J, Choa FS. Design, growth, and characterization of GaAs/AlAs type-II superlattices Proceedings of Spie - the International Society For Optical Engineering. 4656: 95-99. DOI: 10.1117/12.460806  1
2002 Zhao X, Choa FS. Demonstration of 10-Gb/s transmissions over a 1.5-km-long multimode fiber using equalization techniques Ieee Photonics Technology Letters. 14: 1187-1189. DOI: 10.1109/LPT.2002.1022013  1
2002 Xie X, Khurgin J, Kang J, Choa FS. Ring-assisted frequency discriminator with improved linearity Ieee Photonics Technology Letters. 14: 1136-1138. DOI: 10.1109/LPT.2002.1021994  1
2002 Xie X, Khurgin JB, Kang JU, Choa FS. Compact linearized optical FM discriminator Ieee Photonics Technology Letters. 14: 384-386. DOI: 10.1109/68.986821  1
2002 Xie X, Khurgin J, Kang J, Choa F. Linear optical frequency discriminator Pacific Rim Conference On Lasers and Electro-Optics, Cleo - Technical Digest. 44-45.  1
2002 Lin J, Zhang J, Choa FS. Low-crosstalk semiconductor optical amplifiers Pacific Rim Conference On Lasers and Electro-Optics, Cleo - Technical Digest. 373-374.  1
2002 Lin J, Choa FS. Demonstration of a broadband wireless backbone using ultra-dense WDM technology Pacific Rim Conference On Lasers and Electro-Optics, Cleo - Technical Digest. 276-277.  1
2002 Mu X, Ding YJ, Khurgin JB, Wang X, Zhang J, Choa FS. Growth and characterization of GaAs/AlAs superlattices: Evidence of quasi-indirect transition between minibands Pacific Rim Conference On Lasers and Electro-Optics, Cleo - Technical Digest. 227-228.  1
2001 Choa FS. High-efficiency directly modulated laser links 2001 International Topical Meeting On Microwave Photonics, Mwp 2001. 2. DOI: 10.1109/MWP.2002.982301  1
2001 Wang CC, Trivedi SB, Jin F, Khurgin J, Temple D, Hommerich U, Gad E, Choa FS, Wu YS, Corder A. Interferometer-less coherent optical range finder Journal of Lightwave Technology. 19: 666-672. DOI: 10.1109/50.923479  1
2001 Wang X, Choa FS, Liu F, Worchersky TL. Evidence of exciton recombination at very high temperature in InGaN Journal of Applied Physics. 89: 6218-6222. DOI: 10.1063/1.1351543  1
2001 Zhang J, Jie-Lin, Choa FS. Broadband wavelength conversions using broadband SOAs Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 1: 370-371.  1
2001 Zhang JP, Wang XJ, Choa FS. A broadband gain material for widely tunable lasers Conference On Lasers and Electro-Optics Europe - Technical Digest. 208-209.  1
2000 Chao HJ, Wu L, Zhang Z, Yang SH, Wang LM, Chai Y, Fan JY, Choa FS. Photonic front-end processor in a WDM ATM multicast switch Journal of Lightwave Technology. 18: 273-285. DOI: 10.1109/50.827497  1
2000 Wu L, Chao HJ, Zhao XJ, Zhao Y, Chai Y, Zhang JP, Choa FS. FPGA controlled WDM buffer memory Pacific Rim Conference On Lasers and Electro-Optics, Cleo - Technical Digest. 340-341.  1
1999 Zhao Y, Zhao XJ, Chen JH, Choa FS. Novel bidirectional add/drop module using waveguide grating routers and wavelength channel matched fiber gratings Ieee Photonics Technology Letters. 11: 1180-1182. DOI: 10.1109/68.784249  1
1999 Wang L, Choa FS, Chen JH, Chai Y, Shih MH. Counterreceiving heterodyne detection with an integrated coherent transceiver and its applications in bandwidth-on-demand access networks Journal of Lightwave Technology. 17: 1724-1731. DOI: 10.1109/50.793741  1
1999 Wang LM, Chen JH, Shih MH, Choa FS, Tanbun-Ek T, Wisk P, Tsang WT, Burrus CA. Simple-structure integrated coherent transceiver with novel counter-receiving heterodyne detection scheme Electronics Letters. 35: 385-386. DOI: 10.1049/el:19990291  1
1999 Chai Y, Wang LM, Choa FS. Stabilization of multichannel fiber loop memory by gain clamped optical amplifier Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 1: 21-22.  1
1999 Choa FS, Chao HJ. All-Optical Packet Routing - Architecture and Implementation Photonic Network Communications. 1: 303-311.  1
1999 Zhao Y, Zhao XJ, Chen JH, Choa FS, Chen YJ. Novel bi-directional add/drop module for single fiber bi-directional self-healing wavelength division multiplexed ring networks Conference On Optical Fiber Communication, Technical Digest Series. p 3.  1
1999 Chao HJ, Wu L, Zhang Z, Yang SH, Wang LM, Chai Y, Fan JY, Zhang JP, Choa FS. 2.5 Gbit/s optical ATM cell synchronizer Conference On Optical Fiber Communication, Technical Digest Series. p 3.  1
1998 Zhao Y, Shu C, Chen JH, Choa FS. Wavelength tuning of 1/2-rational harmonically mode-locked pulses in a cavity-dispersive fiber laser Applied Physics Letters. 73: 3483-3485. DOI: 10.1063/1.122811  0.68
1998 Chai Y, Chen JH, Zhao XJ, Zhang JP, Fan JY, Choa FS, Lin W. Optical DRAMs using refreshable WDM loop memories European Conference On Optical Communication, Ecoc. 1: 171-172.  1
1998 Zhao Y, Chen JH, Sun Y, Fan JY, Choa FS, Carter GM. Simultaneously dual-wavelength picosecond pulse generation in a mode-locked fiber laser with a two-chromatic fiber grating Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 94-95.  1
1998 Chao HJ, Zhang Z, Wu L, Yang S, Choa FS, Wang L. Photonic ATM front-end processor Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 1: 287-288.  1
1998 Fan JY, Wang LM, Chai Y, Choa FS, Chao HJ, Zhang Z, Wu L, Yang S. Photonic ATM front-end processor European Conference On Optical Communication, Ecoc. 1: 245-246.  1
1998 Chai Y, Chen JH, Zhao XJ, Zhang JP, Fan JY, Choa FS, Lin W. Dynamically refreshable optical fiber loop memory Proceedings of Spie - the International Society For Optical Engineering. 3491: 51-55.  1
1998 Fan JY, Zhao X, Zhang JP, Choa FS, Chai Y, Chen JH, Miller E, Motteler H, Liu PL, Tanbun-Ek T, Wisk P, Tsang WT, Zydzik G, Burrus CA. Wavelength-division-multiplexed (WDM) data-block switching for parallel computing and interconnects Proceedings of Spie - the International Society For Optical Engineering. 3491: 634-638.  1
1998 Zhao Y, Shu C, Chen JH, Choa FS. Electrical wavelength tuning of 1/2-rational harmonic mode-locked pulses in a dispersion based fiber ring laser Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 92-93.  1
1998 Chen JH, Chai Y, Zhao X, Choa FS, Lin W. Experimental studies on the performance of WDM optical fiber loop memories with filter misalignment Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 405-406.  1
1998 Zhao X, Choa FS. Performance analysis of nonlinear semiconductor optical amplifier devices operated near 100 Gb/s speed Proceedings of Spie - the International Society For Optical Engineering. 3491: 151-156.  1
1998 Chen JH, Chai Y, Fan JY, Choa FS, Tanbun-Ek T, Wisk P, Tsang WT, Burrus CA. Channel monitoring, control and equalisation of multichannel fibre transmission system by multisection integrated active filters Electronics Letters. 34: 1411-1413.  1
1998 Wang LM, Chai Y, Choa FS, Tanbun-Ek T, Wisk P, Tsang WT, Burrus CA. Time-shared coherent access network capable of dynamic wavelength assignment and adjustable bandwidth partitioning Conference On Optical Fiber Communication, Technical Digest Series. 226-227.  1
1998 Chai Y, Chen JH, Choa FS, Zhang JP, Fan JY, Lin W. Scalable and modularized optical random-access memories for optical packet-switching networks Conference On Lasers and Electro-Optics Europe - Technical Digest. 397.  1
1998 Fan J, Zhang JP, Chai Y, Choa FS, Liu PL, Tanbum-Ek T, Wisk P, Tsang WT, Zydzik G, Burrus CA. Electrical control optical delay lines made of y-junction SOA switches Conference On Lasers and Electro-Optics Europe - Technical Digest. 415-416.  1
1998 Wang LM, Chai Y, Shih MH, Choa FS. Secure and bandwidth-on-demand full-service access network Conference On Lasers and Electro-Optics Europe - Technical Digest. 397-398.  1
1997 Shih MH, Choa FS, Tanbun-Ek T, Wisk PW, Tsang WT, Burrus CA. Integrated coherent transceiver for broadband access networks Proceedings of Spie - the International Society For Optical Engineering. 3006: 234-242. DOI: 10.1117/12.264222  1
1997 Chen JH, Zhao X, Choa FS. Design consideration of semiconductor optical amplifier linearity Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 1: 329-330.  1
1997 Wang LM, Chen JH, Shih MH, Choa FS, Tanbun-Ek T, Wisk P, Tsang WT, Burrus CA. Full-duplex coherent communication system using integrated transceivers with counter-mixing scheme Iee Conference Publication. 299-302.  1
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