Abul K. Azad, Ph.D. - Publications

Affiliations: 
2006 Oklahoma State University, Stillwater, OK, United States 
Area:
Electronics and Electrical Engineering, Polymer Chemistry

81 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
2020 Cardin AE, Silva SR, Vardeny SR, Padilla WJ, Saxena A, Taylor AJ, Kort-Kamp WJM, Chen HT, Dalvit DAR, Azad AK. Surface-wave-assisted nonreciprocity in spatio-temporally modulated metasurfaces. Nature Communications. 11: 1469. PMID 32193393 DOI: 10.1038/S41467-020-15273-1  0.306
2020 Kumar D, Jain R, Shahjahan, Banerjee S, Prabhu SS, Kumar R, Azad AK, Chowdhury DR. Bandwidth Enhancement of Planar Terahertz Metasurfaces via Overlapping of Dipolar Modes Plasmonics. 1-10. DOI: 10.1007/S11468-020-01222-7  0.44
2019 Silva SR, Rahman A, de Melo Kort-Kamp W, Rushton JJ, Singleton J, Taylor AJ, Dalvit DAR, Chen HT, Azad AK. Metasurface-based ultra-lightweight high-gain off-axis flat parabolic reflectarray for microwave beam collimation/focusing. Scientific Reports. 9: 18984. PMID 31831798 DOI: 10.1038/S41598-019-55221-8  0.308
2019 Chang CC, Nogan J, Yang ZP, Kort-Kamp WJM, Ross W, Luk TS, Dalvit DAR, Azad AK, Chen HT. Highly Plasmonic Titanium Nitride by Room-Temperature Sputtering. Scientific Reports. 9: 15287. PMID 31653881 DOI: 10.1038/S41598-019-51236-3  0.366
2019 Sirica N, Tobey RI, Zhao LX, Chen GF, Xu B, Yang R, Shen B, Yarotski DA, Bowlan P, Trugman SA, Zhu JX, Dai YM, Azad AK, Ni N, Qiu XG, et al. Tracking Ultrafast Photocurrents in the Weyl Semimetal TaAs Using THz Emission Spectroscopy. Physical Review Letters. 122: 197401. PMID 31144919 DOI: 10.1103/Physrevlett.122.197401  0.336
2018 Chen X, Ghosh S, Xu Q, Ouyang C, Li Y, Zhang X, Tian Z, Gu J, Liu L, Azad AK, Han J, Zhang W. Active control of polarization-dependent near-field coupling in hybrid metasurfaces Applied Physics Letters. 113: 061111. DOI: 10.1063/1.5040162  0.549
2018 Rao SJM, Kumar G, Azad AK, Chowdhury DR. Ultrafast Relaxation of Charge Carriers Induced Switching in Terahertz Metamaterials Journal of Infrared, Millimeter, and Terahertz Waves. 39: 1211-1220. DOI: 10.1007/S10762-018-0547-6  0.45
2017 Azad AK, Efimov AV, Ghosh S, Singleton J, Taylor AJ, Chen HT. Ultra-thin metasurface microwave flat lens for broadband applications. Applied Physics Letters. 110: 224101. PMID 29104299 DOI: 10.1063/1.4984219  0.386
2017 Huang L, Chang C, Zeng B, Nogan J, Luo S, Taylor AJ, Azad AK, Chen H. Bilayer Metasurfaces for Dual- and Broadband Optical Antireflection Acs Photonics. 4: 2111-2116. DOI: 10.1021/Acsphotonics.7B00471  0.385
2016 Xu Q, Su X, Ouyang C, Xu N, Cao W, Zhang Y, Li Q, Hu C, Gu J, Tian Z, Azad AK, Han J, Zhang W. Frequency-agile electromagnetically induced transparency analogue in terahertz metamaterials. Optics Letters. 41: 4562-4565. PMID 27749881 DOI: 10.1364/Ol.41.004562  0.543
2016 Azad AK, Kort-Kamp WJ, Sykora M, Weisse-Bernstein NR, Luk TS, Taylor AJ, Dalvit DA, Chen HT. Metasurface Broadband Solar Absorber. Scientific Reports. 6: 20347. PMID 26828999 DOI: 10.1038/Srep20347  0.379
2016 Chang C, Zeng B, Huang L, Azad AK, Nogan J, Chen H. Metamaterial-Enabled Narrow- and Broad-Band Terahertz Antireflection Coatings Sensors. DOI: 10.1364/Sensors.2016.Sew1E.2  0.318
2016 Xu Q, Su X, Ouyang C, Xu N, Cao W, Zhang Y, Li Q, Hu C, Gu J, Tian Z, Azad AK, Han J, Zhang W. Frequency-agile electromagnetically induced transparency analogue in terahertz metamaterials Optics Letters. 41: 4562-4565. DOI: 10.1364/OL.41.004562  0.321
2016 Ahmed T, Azad AK, Chellappa R, Higginbotham-Duque A, Dattelbaum DM, Zhu JX, Moore D, Graf MJ. Vibrational signatures in the THz spectrum of 1,3-DNB: A first-principles and experimental study Epl. 114. DOI: 10.1209/0295-5075/114/37010  0.309
2016 Liu C, Agarwal K, Zhang Y, Chowdhury DR, Azad AK, Cho JH. Terahertz Metamaterials: Displacement Current Mediated Resonances in Terahertz Metamaterials (Advanced Optical Materials 8/2016) Advanced Optical Materials. 4: 1312. DOI: 10.1002/Adom.201670047  0.396
2016 Liu C, Agarwal K, Zhang Y, Chowdhury DR, Azad AK, Cho JH. Displacement Current Mediated Resonances in Terahertz Metamaterials Advanced Optical Materials. 4: 1302-1309. DOI: 10.1002/Adom.201600196  0.373
2015 Zhang Y, Li T, Chen Q, Zhang H, O'Hara JF, Abele E, Taylor AJ, Chen HT, Azad AK. Independently tunable dual-band perfect absorber based on graphene at mid-infrared frequencies. Scientific Reports. 5: 18463. PMID 26689917 DOI: 10.1038/Srep18463  0.361
2015 Zhang Y, Li T, Zeng B, Zhang H, Lv H, Huang X, Zhang W, Azad AK. A graphene based tunable terahertz sensor with double Fano resonances. Nanoscale. PMID 26148569 DOI: 10.1039/C5Nr03044G  0.465
2015 Azad AK, Chowdhury DR, Chen HT, Taylor AJ. Tuning of terahertz metamaterials' resonances via near field coupling Proceedings of Spie - the International Society For Optical Engineering. 9483. DOI: 10.1117/12.2182969  0.432
2015 Valdés Aguilar R, Qi J, Brahlek M, Bansal N, Azad A, Bowlan J, Oh S, Taylor AJ, Prasankumar RP, Yarotski DA. Time-resolved terahertz dynamics in thin films of the topological insulator Bi2Se3 Applied Physics Letters. 106. DOI: 10.1063/1.4905438  0.305
2014 Chowdhury DR, Su X, Zeng Y, Chen X, Taylor AJ, Azad A. Excitation of dark plasmonic modes in symmetry broken terahertz metamaterials. Optics Express. 22: 19401-10. PMID 25321024 DOI: 10.1364/Oe.22.019401  0.374
2014 Vanderhoef LR, Azad AK, Bomberger CC, Chowdhury DR, Chase DB, Taylor AJ, Zide JMO, Doty MF. Charge carrier relaxation processes in TbAs nanoinclusions in GaAs measured by optical-pump THz-probe transient absorption spectroscopy Physical Review B - Condensed Matter and Materials Physics. 89. DOI: 10.1103/Physrevb.89.045418  0.34
2014 Heyes JE, Withayachumnankul W, Grady NK, Chowdhury DR, Azad AK, Chen HT. Hybrid metasurface for ultra-broadband terahertz modulation Applied Physics Letters. 105. DOI: 10.1063/1.4901050  0.428
2014 Chowdhury DR, O'Hara JF, Taylor AJ, Azad AK. Orthogonally twisted planar concentric split ring resonators towards strong near field coupled terahertz metamaterials Applied Physics Letters. 104. DOI: 10.1063/1.4868122  0.421
2013 Grady NK, Heyes JE, Chowdhury DR, Zeng Y, Reiten MT, Azad AK, Taylor AJ, Dalvit DA, Chen HT. Terahertz metamaterials for linear polarization conversion and anomalous refraction. Science (New York, N.Y.). 340: 1304-7. PMID 23686344 DOI: 10.1126/Science.1235399  0.335
2013 Chowdhury DR, Azad AK, Zhang W, Singh R. Near Field Coupling in Passive and Active Terahertz Metamaterial Devices Ieee Transactions On Terahertz Science and Technology. 3: 783-790. DOI: 10.1109/Tthz.2013.2285569  0.633
2013 Ramani S, Reiten MT, Colestock PL, Taylor AJ, Azad AK, O'Hara JF. Electromagnetic response of finite terahertz metafilm arrays excited on total internal reflection boundaries Ieee Transactions On Terahertz Science and Technology. 3: 709-720. DOI: 10.1109/Tthz.2013.2284858  0.611
2013 Azad AK, O'Hara JF, Singh R, Chen HT, Taylor AJ. A review of terahertz plasmonics in subwavelength holes on conducting films Ieee Journal On Selected Topics in Quantum Electronics. 19. DOI: 10.1109/Jstqe.2012.2208181  0.589
2013 Singh R, Roy Chowdhury D, Xiong J, Yang H, Azad AK, Taylor AJ, Jia QX, Chen H. Influence of film thickness in THz active metamaterial devices: A comparison between superconductor and metal split-ring resonators Applied Physics Letters. 103: 061117. DOI: 10.1063/1.4817814  0.598
2013 Shchegolkov DY, Reiten MT, O'Hara JF, Azad AK. Direct observation of electro-optic modulation in a single split-ring resonator Applied Physics Letters. 102: 91109. DOI: 10.1063/1.4794529  0.454
2013 Roy Chowdhury D, Singh R, Taylor AJ, Chen H, Azad AK. Ultrafast manipulation of near field coupling between bright and dark modes in terahertz metamaterial Applied Physics Letters. 102: 011122. DOI: 10.1063/1.4774003  0.553
2013 Hagmann MJ, Henage TE, Azad AK, Taylor AJ, Yarotski DA. Frequency comb from 500 Hz to 2 THz by optical rectification in zinc telluride Electronics Letters. 49: 1459-1460. DOI: 10.1049/El.2013.2900  0.339
2012 Gu J, Singh R, Liu X, Zhang X, Ma Y, Zhang S, Maier SA, Tian Z, Azad AK, Chen HT, Taylor AJ, Han J, Zhang W. Active control of electromagnetically induced transparency analogue in terahertz metamaterials. Nature Communications. 3: 1151. PMID 23093188 DOI: 10.1038/Ncomms2153  0.595
2012 Zhang S, Zhou J, Park YS, Rho J, Singh R, Nam S, Azad AK, Chen HT, Yin X, Taylor AJ, Zhang X. Photoinduced handedness switching in terahertz chiral metamolecules. Nature Communications. 3: 942. PMID 22781755 DOI: 10.1038/Ncomms1908  0.506
2012 Singh R, Xiong J, Azad AK, Yang H, Trugman SA, Jia QX, Taylor AJ, Chen H. Optical tuning and ultrafast dynamics of high-temperature superconducting terahertz metamaterials Nanophotonics. 1: 117-123. DOI: 10.1515/Nanoph-2012-0007  0.6
2012 Gu J, Singh R, Azad AK, Han J, Taylor AJ, O'Hara JF, Zhang W. An active hybrid plasmonic metamaterial Optical Materials Express. 2: 31-37. DOI: 10.1364/Ome.2.000031  0.643
2012 Roy Chowdhury D, Singh R, Taylor AJ, Chen H, Zhang W, Azad AK. Coupling Schemes in Terahertz Planar Metamaterials International Journal of Optics. 2012: 1-12. DOI: 10.1155/2012/148985  0.637
2012 Singh R, Xiong J, Chowdhury DR, Yang H, Azad AK, Trugman SA, Jia QX, Taylor AJ, Chen H. Thermal and ultrafast optical tuning of ultrathin high-temperature superconducting terahertz metamaterials Proceedings of Spie. 8423. DOI: 10.1117/12.922161  0.565
2012 Zhou J, Chowdhury DR, Zhao R, Azad AK, Chen HT, Soukoulis CM, Taylor AJ, O'Hara JF. Terahertz chiral metamaterials with giant and dynamically tunable optical activity Physical Review B - Condensed Matter and Materials Physics. 86. DOI: 10.1103/Physrevb.86.035448  0.362
2012 Huang L, Chowdhury DR, Ramani S, Reiten MT, Luo SN, Azad AK, Taylor AJ, Chen HT. Impact of resonator geometry and its coupling with ground plane on ultrathin metamaterial perfect absorbers Applied Physics Letters. 101. DOI: 10.1063/1.4749823  0.621
2011 Chowdhury DR, Singh R, Reiten M, Chen HT, Taylor AJ, O'Hara JF, Azad AK. A broadband planar terahertz metamaterial with nested structure. Optics Express. 19: 15817-23. PMID 21934944 DOI: 10.1364/Oe.19.015817  0.576
2011 Singh R, Azad AK, Jia QX, Taylor AJ, Chen HT. Thermal tunability in terahertz metamaterials fabricated on strontium titanate single-crystal substrates. Optics Letters. 36: 1230-2. PMID 21479039 DOI: 10.1364/Ol.36.001230  0.586
2011 Whitley VH, Hooks DE, Ramos KJ, Pierce TH, O'Hara JF, Azad AK, Taylor AJ, Barber J, Averitt RD. Orientation dependent far-infrared terahertz absorptions in single crystal pentaerythritol tetranitrate (PETN) using terahertz time-domain spectroscopy. The Journal of Physical Chemistry. A. 115: 439-42. PMID 21210684 DOI: 10.1021/Jp108388C  0.322
2011 Singh R, Reiten MT, Zhou J, Xiong J, Lawrence, Earley M, Azad AK, O’Hara JF, Jia Q, Taylor AJ, Chen H. Tunable and Nonlinear Microwave and Terahertz Metamaterials Frontiers in Optics. DOI: 10.1364/Fio.2011.Ftuu4  0.514
2011 Chen HT, Azad AK, O'Hara JF, Singh R, Zhou J, Reiten MT, Chowdhury DR, Jia Q, Trugman SA, Taylor AJ. Active terahertz metamaterials Irmmw-Thz 2011 - 36th International Conference On Infrared, Millimeter, and Terahertz Waves. DOI: 10.1364/Fio.2009.Ftub1  0.527
2011 Azad AK, Chen HT, Taylor AJ, Zhang W, O'Hara JF. Ultrafast optical control of terahertz surface plasmons in subwavelength hole-arrays at room temperature Proceedings of Spie - the International Society For Optical Engineering. 7936. DOI: 10.1117/12.873488  0.589
2011 Roy Chowdhury D, Singh R, O'Hara JF, Chen HT, Taylor AJ, Azad AK. Dynamically reconfigurable terahertz metamaterial through photo-doped semiconductor Applied Physics Letters. 99. DOI: 10.1063/1.3667197  0.597
2011 Chen HT, O'Hara JF, Azad AK, Taylor AJ. Manipulation of terahertz radiation using metamaterials Laser and Photonics Reviews. 5: 513-533. DOI: 10.1002/Lpor.201000043  0.347
2010 Chen HT, Yang H, Singh R, O'Hara JF, Azad AK, Trugman SA, Jia QX, Taylor AJ. Tuning the resonance in high-temperature superconducting terahertz metamaterials. Physical Review Letters. 105: 247402. PMID 21231556 DOI: 10.1103/Physrevlett.105.247402  0.584
2010 Chen HT, Zhou J, O'Hara JF, Chen F, Azad AK, Taylor AJ. Antireflection coating using metamaterials and identification of its mechanism. Physical Review Letters. 105: 073901. PMID 20868044 DOI: 10.1103/Physrevlett.105.073901  0.328
2010 Tian Z, Azad AK, Lu X, Gu J, Han J, Xing Q, Taylor AJ, O'Hara JF, Zhang W. Large dynamic resonance transition between surface plasmon and localized surface plasmon modes. Optics Express. 18: 12482-8. PMID 20588374 DOI: 10.1364/Oe.18.012482  0.665
2010 O’Hara J, Azad AK, Taylor AJ. A method to determine effective metamaterial properties based on stratified metafilms The European Physical Journal D. 58: 243-247. DOI: 10.1140/Epjd/E2010-00120-X  0.337
2010 Peralta XG, Wanke MC, Brener I, Waldman J, Goodhue WD, Li J, Azad AK, Chen HT, Taylor AJ, O'Hara JF. Metamaterial based devices for terahertz imaging Progress in Biomedical Optics and Imaging - Proceedings of Spie. 7562. DOI: 10.1117/12.846823  0.333
2009 Whitley VH, Hooks DE, Ramos KJ, O'Hara JF, Azad AK, Taylor AJ, Barber J, Averitt RD. Polarization orientation dependence of the far infrared spectra of oriented single crystals of 1,3,5-trinitro-S-triazine (RDX) using terahertz time-domain spectroscopy. Analytical and Bioanalytical Chemistry. 395: 315-22. PMID 19330320 DOI: 10.1007/S00216-009-2741-9  0.301
2009 Peralta XG, Smirnova EI, Azad AK, Chen HT, Taylor AJ, Brener I, O'Hara JF. Metamaterials for THz polarimetric devices. Optics Express. 17: 773-83. PMID 19158890 DOI: 10.1364/Oe.17.000773  0.367
2009 Prasankumar RP, Upadhya PC, Li Q, Smith N, Choi SG, Azad AK, Talbayev D, Wang GT, Fischer AJ, Hollingsworth J, Trugman SA, Picraux ST, Taylor AJ. Ultrafast carrier dynamics in semiconductor nanowires Proceedings of Spie - the International Society For Optical Engineering. 7406. DOI: 10.1117/12.828022  0.345
2009 Singh R, Plum E, Menzel C, Rockstuhl C, Azad AK, Cheville RA, Lederer F, Zhang W, Zheludev NI. Terahertz metamaterial with asymmetric transmission Physical Review B - Condensed Matter and Materials Physics. 80. DOI: 10.1103/Physrevb.80.153104  0.62
2009 Azad AK, Chen HT, Kasarla SR, Taylor AJ, Tian Z, Lu X, Zhang W, Lu H, Gossard AC, O'Hara JF. Ultrafast optical control of terahertz surface plasmons in subwavelength hole arrays at room temperature Applied Physics Letters. 95. DOI: 10.1063/1.3168510  0.671
2009 Chen HT, Padilla WJ, Cich MJ, Azad AK, Averitt RD, Taylor AJ. A metamaterial solid-state terahertz phase modulator Nature Photonics. 3: 148-151. DOI: 10.1038/Nphoton.2009.3  0.353
2008 Singh R, Azad AK, O'Hara JF, Taylor AJ, Zhang W. Effect of metal permittivity on resonant properties of terahertz metamaterials. Optics Letters. 33: 1506-8. PMID 18594680 DOI: 10.1364/Ol.33.001506  0.633
2008 Chen HT, Lu H, Azad AK, Averitt RD, Gossard AC, Trugman SA, O'Hara JF, Taylor AJ. Electronic control of extraordinary terahertz transmission through subwavelength metal hole arrays. Optics Express. 16: 7641-8. PMID 18545471 DOI: 10.1364/Oe.16.007641  0.398
2008 Han J, Chen W, Zhang J, He M, Azad AK, Ray S, Zhao Y, Zhang W. Terahertz response of bulk and nanostructured ZnO Piers Online. 4: 391-395. DOI: 10.2529/Piers070905022416  0.508
2008 Han J, Lu X, Azad AK, Gong M, Zhang W. The Role of Non-resonant Effect in Terahertz Transmission through Subwavelength Holes Piers Online. 4: 481-484. DOI: 10.2529/Piers070905022219  0.661
2008 Azad AK, Prasankumar RP, Talbayev D, Taylor AJ, Averitt RD, Zide JMO, Lu H, Gossard AC, O'Hara JF. Carrier dynamics in InGaAs with embedded ErAs nanoislands Applied Physics Letters. 93. DOI: 10.1063/1.2989127  0.328
2008 Azad AK, Taylor AJ, Smirnova E, O'Hara JF. Characterization and analysis of terahertz metamaterials based on rectangular split-ring resonators Applied Physics Letters. 92. DOI: 10.1063/1.2829791  0.381
2008 Chen HT, O'Hara JF, Azad AK, Taylor AJ, Averitt RD, Shrekenhamer DB, Padilla WJ. Experimental demonstration of frequency-agile terahertz metamaterials Nature Photonics. 2: 295-298. DOI: 10.1038/Nphoton.2008.52  0.426
2007 Zhang W, Azad AK, Han J, Xu J, Chen J, Zhang XC. Direct observation of a transition of a surface plasmon resonance from a photonic crystal effect. Physical Review Letters. 98: 183901. PMID 17501575 DOI: 10.1103/Physrevlett.98.183901  0.557
2007 Han J, Azad AK, Zhang W. Far-Infrared Characteristics of Bulk and Nanostructured Wide-Bandgap Semiconductors Journal of Nanoelectronics and Optoelectronics. 2: 222-233. DOI: 10.1166/Jno.2007.302  0.475
2007 O'Hara JF, Smirnova E, Azad AK, Chen HT, Taylor AJ. Effects of microstructure variations on macroscopic terahertz metafilm properties Active and Passive Electronic Components. 2007. DOI: 10.1155/2007/49691  0.384
2007 Zhang W, Azad AK, Han J. Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes Active and Passive Electronic Components. 2007: 1-8. DOI: 10.1155/2007/40249  0.547
2007 Han J, Azad AK, Gong M, Lu X, Zhang W. Coupling between surface plasmons and nonresonant transmission in subwavelength holes at terahertz frequencies Applied Physics Letters. 91: 71122. DOI: 10.1063/1.2771093  0.655
2006 Azad AK, Zhao Y, Zhang W, He M. Effect of dielectric properties of metals on terahertz transmission subwavelength hole arrays. Optics Letters. 31: 2637-9. PMID 16902644 DOI: 10.1364/Ol.31.002637  0.499
2006 Azad AK, Dai J, Zhang W. Transmission properties of terahertz pulses through subwavelength double split-ring resonators. Optics Letters. 31: 634-6. PMID 16570422 DOI: 10.1364/Ol.31.000634  0.563
2006 Han J, Zhang W, Chen W, Thamizhmani L, Azad AK, Zhu Z. Far-infrared characteristics of ZnS nanoparticles measured by terahertz time-domain spectroscopy. The Journal of Physical Chemistry. B. 110: 1989-93. PMID 16471773 DOI: 10.1021/Jp055838T  0.424
2006 Han J, Zhu Z, Ray S, Azad AK, Zhang W, He M, Li S, Zhao Y. Optical and dielectric properties of ZnO tetrapod structures at terahertz frequencies Applied Physics Letters. 89: 31107. DOI: 10.1063/1.2222329  0.518
2006 Azad AK, Han J, Zhang W. Terahertz dielectric properties of high-resistivity single-crystal ZnO Applied Physics Letters. 88: 21103. DOI: 10.1063/1.2164903  0.503
2006 He M, Azad AK, Ye S, Zhang W. Far-infrared signature of animal tissues characterized by terahertz time-domain spectroscopy Optics Communications. 259: 389-392. DOI: 10.1016/J.Optcom.2005.08.029  0.432
2005 Azad AK, Zhang W. Resonant terahertz transmission in subwavelength metallic hole arrays of sub-skin-depth thickness. Optics Letters. 30: 2945-7. PMID 16279477 DOI: 10.1364/Ol.30.002945  0.513
2005 Azad AK, Zhao Y, Zhang W. Transmission properties of terahertz pulses through an ultrathin subwavelength silicon hole array Applied Physics Letters. 86: 141102. DOI: 10.1063/1.1897842  0.521
2005 Thamizhmani L, Azad AK, Dai J, Zhang W. Far-infrared optical and dielectric response of ZnS measured by terahertz time-domain spectroscopy Applied Physics Letters. 86: 131111. DOI: 10.1063/1.1896451  0.552
2003 Zhang W, Azad AK, Grischkowsky DR. Terahertz studies of carrier dynamics and dielectric response of n-type, freestanding epitaxial GaN Applied Physics Letters. 82: 2841-2843. DOI: 10.1063/1.1569988  0.485
Show low-probability matches.