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Liwei Cheng, Ph.D. - Publications

Affiliations: 
2012 Engineering, Electrical University of Maryland, Baltimore County, Baltimore, MD, United States 
Area:
Electronics and Electrical Engineering, Optics Physics
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36 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
2016 Guo D, Li J, Cheng L, Chen X, Worchesky T, Choa F. Widely Tunable Monolithic Mid-Infrared Quantum Cascade Lasers Using Super-Structure Grating Reflectors Photonics. 3: 25. DOI: 10.3390/Photonics3020025  0.777
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  0.755
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  0.77
2012 Chen X, Cheng L, Guo D, Choa F, Li J, Bruno J, Bradshaw J, Lascola K, Leavitt R, Pham J, Towner F. Surface emitting quantum cascade laser arrays Frontiers in Optics. DOI: 10.1364/Fio.2012.Fth4D.8  0.727
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  0.752
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  0.687
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.  0.741
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.  0.731
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  0.748
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  0.663
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  0.595
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. DOI: 10.1364/Fio.2011.Ftuk6  0.566
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  0.761
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  0.771
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  0.754
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  0.679
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  0.741
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  0.722
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  0.722
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  0.768
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  0.715
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  0.682
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.  0.585
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  0.729
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  0.617
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  0.704
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  0.625
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  0.704
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  0.705
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  0.635
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  0.67
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  0.722
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  0.729
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  0.743
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  0.711
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  0.803
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