Year |
Citation |
Score |
2021 |
Chen J, Jin Y, Gao L, Reno JL, Kumar S. Wavelength beam-combining of terahertz quantum-cascade laser arrays. Optics Letters. 46: 1864-1867. PMID 33857089 DOI: 10.1364/OL.420398 |
0.302 |
|
2020 |
Jin Y, Zhu Q, Reno JL, Kumar S. High power edge-cum-surface emitting terahertz laser arrays phased locked by vacuum guided plasmon waves Applied Physics Letters. 116: 131103-131103. DOI: 10.1063/1.5142860 |
0.484 |
|
2019 |
Chen J, Gao L, Jin Y, Reno JL, Kumar S. High-intensity and low-divergence THz laser with 1D autofocusing symmetric Airy beams. Optics Express. 27: 22877-22889. PMID 31510572 DOI: 10.1364/Oe.27.022877 |
0.356 |
|
2019 |
Gao L, Zhao L, Reno JL, Kumar S. Electrical tuning of a terahertz quantum cascade laser based on detuned intersubband absorption Applied Physics Letters. 115: 141102. DOI: 10.1063/1.5118770 |
0.503 |
|
2018 |
Jin Y, Gao L, Chen J, Wu C, Reno JL, Kumar S. Publisher Correction: High power surface emitting terahertz laser with hybrid second- and fourth-order Bragg gratings. Nature Communications. 9: 1964. PMID 29760454 DOI: 10.1038/S41467-018-04400-8 |
0.307 |
|
2018 |
Jin Y, Gao L, Chen J, Wu C, Reno JL, Kumar S. High power surface emitting terahertz laser with hybrid second- and fourth-order Bragg gratings. Nature Communications. 9: 1407. PMID 29643341 DOI: 10.1038/S41467-018-03697-9 |
0.491 |
|
2017 |
Jin Y, Wu C, Reno JL, Kumar S. Terahertz plasmonic lasers with narrow beams and large tunability Proceedings of Spie. 10123: 1012312. DOI: 10.1117/12.2253676 |
0.496 |
|
2016 |
Khanal S, Gao L, Zhao L, Reno JL, Kumar S. High-temperature operation of broadband bidirectional terahertz quantum-cascade lasers. Scientific Reports. 6: 32978. PMID 27615416 DOI: 10.1038/Srep32978 |
0.494 |
|
2016 |
Wu C, Khanal S, Reno JL, Kumar S. Terahertz plasmonic laser radiating in an ultra-narrow beam Optica. 3: 734. DOI: 10.1364/Optica.3.000734 |
0.475 |
|
2015 |
Khanal S, Reno JL, Kumar S. 2.1 THz quantum-cascade laser operating up to 144 K based on a scattering-assisted injection design. Optics Express. 23: 19689-97. PMID 26367626 DOI: 10.1364/Oe.23.019689 |
0.513 |
|
2015 |
Zhao L, Khanal S, Wu C, Kumar S. Proposal for a broadband THz refractive-index sensor based on quantum-cascade laser arrays. Optics Express. 23: 4751-65. PMID 25836511 DOI: 10.1364/Oe.23.004751 |
0.381 |
|
2014 |
Khanal S, Zhao L, Reno JL, Kumar S. Temperature performance of terahertz quantum-cascade lasers with resonant-phonon active-regions Journal of Optics. 16: 094001. DOI: 10.1088/2040-8978/16/9/094001 |
0.492 |
|
2013 |
Zhao L, Kumar S. Design of a hole-based THz intersubband laser Frontiers in Optics. DOI: 10.1364/Ls.2013.Lw5G.3 |
0.407 |
|
2012 |
Kumar S. Operation of terahertz quantum cascade lasers above 160 K covering a frequency range of 2-4 THz Proceedings of Spie - the International Society For Optical Engineering. 8496. DOI: 10.1117/12.929760 |
0.466 |
|
2012 |
Kumar S, Hu Q. Investigation of possible microcavity effect on lasing threshold of nonradiative-scattering-dominated semiconductor lasers Applied Physics Letters. 100: 041105. DOI: 10.1063/1.3678595 |
0.592 |
|
2011 |
Kumar S, Qin Q, Chan CWI, Hu Q, Reno JL. High-temperature performance and broad continuous tunability of terahertz quantum-cascade lasers Proceedings of Spie. 7953. DOI: 10.1117/12.875686 |
0.637 |
|
2011 |
Botez D, Shin JC, Kumar S, Kirch J, Chang CC, Mawst LJ, Vurgaftman I, Meyer JR, Bismuto A, Hinkov B, Faist J. The temperature dependence of key electro-optical characteristics for mid-infrared emitting quantum cascade lasers Proceedings of Spie - the International Society For Optical Engineering. 7953. DOI: 10.1117/12.874197 |
0.46 |
|
2011 |
Kumar S. Recent Progress in Terahertz Quantum Cascade Lasers Ieee Journal of Selected Topics in Quantum Electronics. 17: 38-47. DOI: 10.1109/Jstqe.2010.2049735 |
0.512 |
|
2010 |
Lee AW, Williams BS, Kumar S, Hu Q, Reno JL. Tunable terahertz quantum cascade lasers with external gratings. Optics Letters. 35: 910-2. PMID 20364166 DOI: 10.1364/Ol.35.000910 |
0.678 |
|
2010 |
Botez D, Shin JC, Kumar S, Mawst LJ, Vurgaftman I, Meyer JR. Electron leakage and its suppression via deep-well structures in 4.5- to 5.0-μm-emitting quantum cascade lasers Optical Engineering. 49. DOI: 10.1117/1.3509368 |
0.449 |
|
2010 |
Gambari J, Fernandez-Dominguez AI, Maier SA, Williams BS, Kumar S, Reno JL, Hu Q, Phillips CC. Thresholdless coherent light scattering from subband polaritons in a strongly coupled microcavity Physical Review B. 82. DOI: 10.1103/Physrevb.82.121303 |
0.509 |
|
2010 |
Botez D, Kumar S, Shin JC, Mawst LJ, Vurgaftman I, Meyer JR. Erratum: “Temperature dependence of the key electro-optical characteristics for midinfrared emitting quantum cascade lasers” [Appl. Phys. Lett. 97, 071101 (2010)] Applied Physics Letters. 97: 199901. DOI: 10.1063/1.3512956 |
0.378 |
|
2010 |
Botez D, Kumar S, Shin JC, Mawst LJ, Vurgaftman I, Meyer JR. Temperature dependence of the key electro-optical characteristics for midinfrared emitting quantum cascade lasers Applied Physics Letters. 97. DOI: 10.1063/1.3478836 |
0.5 |
|
2010 |
Kumar S, Chan CWI, Hu Q, Reno JL. A 1.8-THz quantum cascade laser operating significantly above the temperature of ℏω/kB Nature Physics. 7: 166-171. DOI: 10.1038/Nphys1846 |
0.591 |
|
2009 |
Kumar S, Hu Q. Coherence of resonant-tunneling transport in terahertz quantum-cascade lasers Physical Review B. 80. DOI: 10.1103/Physrevb.80.245316 |
0.562 |
|
2009 |
Kumar S, Hu Q, Reno JL. 186 K operation of terahertz quantum-cascade lasers based on a diagonal design Applied Physics Letters. 94: 131105. DOI: 10.1063/1.3114418 |
0.605 |
|
2008 |
Kumar S, Lee AWM. Resonant-Phonon Terahertz Quantum-Cascade Lasers and Video-Rate Terahertz Imaging Ieee Journal of Selected Topics in Quantum Electronics. 14: 333-344. DOI: 10.1109/Jstqe.2007.915510 |
0.5 |
|
2008 |
Scamarcio G, Vitiello MS, Spagnolo V, Kumar S, Williams B, Hu Q. Nanoscale heat transfer in quantum cascade lasers Physica E: Low-Dimensional Systems and Nanostructures. 40: 1780-1784. DOI: 10.1016/J.Physe.2007.09.168 |
0.657 |
|
2007 |
Kumar S, Williams BS, Qin Q, Lee AW, Hu Q, Reno JL. Surface-emitting distributed feedback terahertz quantum-cascade lasers in metal-metal waveguides. Optics Express. 15: 113-28. PMID 19532227 DOI: 10.1364/Oe.15.000113 |
0.684 |
|
2007 |
Wei Min Lee A, Qin Q, Kumar S, Williams BS, Hu Q, Reno JL. High-power and high-temperature THz quantum-cascade lasers based on lens-coupled metal-metal waveguides. Optics Letters. 32: 2840-2. PMID 17909591 DOI: 10.1364/Ol.32.002840 |
0.662 |
|
2007 |
Spagnolo V, Vitiello MS, Scamarcio G, Williams BS, Kumar S, Hu Q, Reno JL. Hot-phonon generation in THz quantum cascade lasers Journal of Physics: Conference Series. 92: 012018. DOI: 10.1088/1742-6596/92/1/012018 |
0.653 |
|
2006 |
Lee AWM, Williams BS, Kumar S, Hu Q, Reno JL. Real-time imaging using a 4.3-THz quantum cascade laser and a 320 /spl times/ 240 microbolometer focal-plane array Ieee Photonics Technology Letters. 18: 1415-1417. DOI: 10.1109/Lpt.2006.877220 |
0.528 |
|
2006 |
Adam AJL, Kašalynas I, Hovenier JN, Klaassen TO, Gao JR, Orlova EE, Williams BS, Kumar S, Hu Q, Reno JL. Beam patterns of terahertz quantum cascade lasers with subwavelength cavity dimensions Applied Physics Letters. 88: 151105. DOI: 10.1063/1.2194889 |
0.617 |
|
2006 |
Williams B, Kumar S, Hu Q, Reno J. High-power terahertz quantum-cascade lasers Electronics Letters. 42: 89. DOI: 10.1049/El:20063921 |
0.628 |
|
2005 |
Williams B, Kumar S, Hu Q, Reno J. Operation of terahertz quantum-cascade lasers at 164 K in pulsed mode and at 117 K in continuous-wave mode. Optics Express. 13: 3331-9. PMID 19495235 DOI: 10.1364/Opex.13.003331 |
0.676 |
|
2005 |
Williams BS, Kumar S, Hu Q, Reno JL. Distributed-feedback terahertz quantum-cascade lasers with laterally corrugated metal waveguides. Optics Letters. 30: 2909-11. PMID 16279466 DOI: 10.1364/Ol.30.002909 |
0.666 |
|
2005 |
Hu Q, Williams BS, Kumar S, Callebaut H, Kohen S, Reno JL. Resonant-phonon-assisted THz quantum-cascade lasers with metal–metal waveguides Semiconductor Science and Technology. 20: S228-S236. DOI: 10.1088/0268-1242/20/7/013 |
0.691 |
|
2005 |
Gao JR, Hovenier JN, Yang ZQ, Baselmans JJA, Baryshev A, Hajenius M, Klapwijk TM, Adam AJL, Klaassen TO, Williams BS, Kumar S, Hu Q, Reno JL. Terahertz heterodyne receiver based on a quantum cascade laser and a superconducting bolometer Applied Physics Letters. 86: 244104. DOI: 10.1063/1.1949724 |
0.603 |
|
2005 |
Vitiello MS, Scamarcio G, Spagnolo V, Williams BS, Kumar S, Hu Q, Reno JL. Measurement of subband electronic temperatures and population inversion in THz quantum-cascade lasers Applied Physics Letters. 86: 111115. DOI: 10.1063/1.1886266 |
0.55 |
|
2004 |
Hu Q, Williams BS, Kumar S, Callebaut H, Reno JL. Terahertz quantum cascade lasers based on resonant phonon scattering for depopulation. Philosophical Transactions. Series a, Mathematical, Physical, and Engineering Sciences. 362: 233-47; discussion 2. PMID 15306517 DOI: 10.1098/Rsta.2003.1314 |
0.692 |
|
2004 |
Kumar S, Williams BS, Kohen S, Hu Q, Reno JL. Continuous-wave operation of terahertz quantum-cascade lasers above liquid-nitrogen temperature Applied Physics Letters. 84: 2494-2496. DOI: 10.1063/1.1695099 |
0.611 |
|
2004 |
Callebaut H, Kumar S, Williams BS, Hu Q, Reno JL. Importance of electron-impurity scattering for electron transport in terahertz quantum-cascade lasers Applied Physics Letters. 84: 645-647. DOI: 10.1063/1.1644337 |
0.501 |
|
2003 |
Williams BS, Kumar S, Callebaut H, Hu Q, Reno JL. Terahertz quantum-cascade laser operating up to 137 K Applied Physics Letters. 83: 5142-5144. DOI: 10.1063/1.1635657 |
0.607 |
|
2003 |
Williams BS, Kumar S, Callebaut H, Hu Q, Reno JL. Terahertz quantum-cascade laser at λ≈100 μm using metal waveguide for mode confinement Applied Physics Letters. 83: 2124-2126. DOI: 10.1063/1.1611642 |
0.606 |
|
2003 |
Williams BS, Callebaut H, Kumar S, Hu Q, Reno JL. 3.4-THz quantum cascade laser based on longitudinal-optical-phonon scattering for depopulation Applied Physics Letters. 82: 1015-1017. DOI: 10.1063/1.1554479 |
0.652 |
|
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