Publications

Found 645 results
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2020
Bonef, B., C. E. Reilly, F. Wu, S. Nakamura, S. P. DenBaars, S. Keller, and J. S. Speck, "Quantitative investigation of indium distribution in InN wetting layers and dots grown by metalorganic chemical vapor deposition", Applied Physics Express, vol. 13, pp. 065005, may, 2020.
Zhang, H., H. Li, P. Li, J. Song, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Room-Temperature Continuous-Wave Electrically Driven Semipolar (202̅1) Blue Laser Diodes Heteroepitaxially Grown on a Sapphire Substrate", ACS Photonics, vol. 7, pp. 1662-1666, 2020.
Li, P., H. Zhang, H. Li, M. Iza, Y. Yao, M. S. Wong, N. Palmquist, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Size-independent low voltage of InGaN micro-light-emitting diodes with epitaxial tunnel junctions using selective area growth by metalorganic chemical vapor deposition", Opt. Express, vol. 28, pp. 18707–18712, Jun, 2020.
Monavarian, M., J. Xu, M. N. Fireman, N. Nookala, F. Wu, B. Bonef, K. S. Qwah, E. C. Young, M. A. Belkin, and J. S. Speck, "Structural and optical properties of nonpolar m- and a-plane GaN/AlGaN heterostructures for narrow-linewidth mid-infrared intersubband transitions", Applied Physics Letters, vol. 116, pp. 201103, 2020.
Zollner, C. J., A. S. Almogbel, Y. Yao, M. Wang, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Superlattice hole injection layers for UV LEDs grown on SiC", Opt. Mater. Express, vol. 10, pp. 2171–2180, Sep, 2020.
Lheureux, G., M. Monavarian, R. Anderson, R. A. Decrescent, J. Bellessa, C. Symonds, J. A. Schuller, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Tamm plasmons in metal/nanoporous GaN distributed Bragg reflector cavities for active and passive optoelectronics", Opt. Express, vol. 28, pp. 17934–17943, Jun, 2020.
Yapparov, R., Y. Chao Chow, C. Lynsky, F. Wu, S. Nakamura, J. S. Speck, and S. Marcinkevičius, "Variations of light emission and carrier dynamics around V-defects in InGaN quantum wells", Journal of Applied Physics, vol. 128, pp. 225703, 2020.
2019
Reilly, C. E., B. Bonef, S. Nakamura, J. S. Speck, S. P. DenBaars, and S. Keller, "Characterization of InGaN quantum dots grown by metalorganic chemical vapor deposition", Semiconductor Science and Technology, vol. 34, pp. 125002, oct, 2019.
Khoury, M., H. Li, H. Zhang, B. Bonef, M. S. Wong, F. Wu, D. Cohen, P. De Mierry, P. Vennéguès, J. S. Speck, et al., "Demonstration of Electrically Injected Semipolar Laser Diodes Grown on Low-Cost and Scalable Sapphire Substrates", ACS Applied Materials & Interfaces, vol. 11, pp. 47106-47111, 2019.
Myers, D. J., K. Gel, A. I. Alhassan, L. Martinelli, J. Peretti, S. Nakamura, C. Weisbuch, and J. S. Speck, "Direct measurement of hot-carrier generation in a semiconductor barrier heterostructure: Identification of the dominant mechanism for thermal droop", Phys. Rev. B, vol. 100, pp. 125303, Sep, 2019.
Hamdy, K. W., E. C. Young, A. I. Alhassan, D. L. Becerra, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Efficient tunnel junction contacts for high-power semipolar III-nitride edge-emitting laser diodes", Opt. Express, vol. 27, pp. 8327–8334, Mar, 2019.
SaifAddin, B. K., A. Almogbel, C. J. Zollner, H. Foronda, A. Alyamani, A. Albadri, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Fabrication technology for high light-extraction ultraviolet thin-film flip-chip (UV TFFC) LEDs grown on SiC", Semiconductor Science and Technology, vol. 34, pp. 035007, 01/2019.
Lheureux, G., S. Mehari, D. Cohen, P. Chan, H. Zhang, K. Hamdy, C. Reilly, R. Anderson, E. Zeitz, R. Seshadri, et al., "GaN High-Power Lasers for solid-state lighting", OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED): Optical Society of America, 2019.
Wang, J., E. Young, B. SaifAddin, C. Zollner, A. Almogbel, M. Fireman, M. Izza, S. Nakamura, S. Denbaars, and J. Speck, "Hybrid III-Nitride Tunnel Junctions for Low Excess Voltage Blue LEDs and UVC LEDs", 2019 Compound Semiconductor Week (CSW), May, 2019.
Marcinkevičius, S., R. Yapparov, L. Y. Kuritzky, S. Nakamura, and J. S. Speck, "Impact of Barrier Height on the Interwell Carrier Transport in InGaN/(In)GaN Multiple Quantum Wells", Laser Congress 2019 (ASSL, LAC, LS&C): Optical Society of America, 2019.
Saifaddin, B. K., M. Iza, H. Foronda, A. Almogbel, C. J. Zollner, F. Wu, A. Alyamani, A. Albadri, S. Nakamura, S. P. DenBaars, et al., "Impact of roughening density on the light extraction efficiency of thin-film flip-chip ultraviolet LEDs grown on SiC", Opt. Express, vol. 27, pp. A1074–A1083, Aug, 2019.
Alreesh, M. Abo, P. Von Dollen, T. F. Malkowski, T. Mates, H. Albrithen, S. DenBaars, S. Nakamura, and J. S. Speck, "Investigation of oxygen and other impurities and their effect on the transparency of a Na flux grown GaN crystal", Journal of Crystal Growth, vol. 508, pp. 50 - 57, 2019.
Kamikawa, T., S. Gandrothula, M. Araki, H. Li, V. Bonito Oliva, F. Wu, D. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Realization of thin-film m-plane InGaN laser diode fabricated by epitaxial lateral overgrowth and mechanical separation from a reusable growth substrate", Opt. Express, vol. 27, pp. 24717–24723, Aug, 2019.
Almogbel, A., B. SaifAddin, C. Zollner, M. Iza, H. Albrithen, A. Alyamani, A. Albadri, S. Nakamura, S. Denbaars, and J. Speck, "Recent progress in AlGaN UV-C LEDs grown on SiC", 2019 Compound Semiconductor Week (CSW), May, 2019.
Zollner, C. J., A. Almogbel, Y. Yao, B. K. SaifAddin, F. Wu, M. Iza, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Reduced dislocation density and residual tension in AlN grown on SiC by metalorganic chemical vapor deposition", Applied Physics Letters, vol. 115, pp. 161101, 2019.
Kang, C. Hong, G. Liu, C. Lee, O. Alkhazragi, J. M. Wagstaff, K-H. Li, F. Alhawaj, T. Khee Ng, J. S. Speck, S. Nakamura, et al., "Semipolar (202̅1̅) InGaN/GaN micro-photodetector for gigabit-per-second visible light communication", Applied Physics Express, vol. 13, pp. 014001, nov, 2019.
Kang, C. Hong, G. Liu, C. Lee, O. Alkhazragi, J. M. Wagstaff, K-H. Li, F. Alhawaj, T. Khee Ng, J. S. Speck, S. Nakamura, et al., "Semipolar (202̅1̅) InGaN/GaN micro-photodetector for gigabit-per-second visible light communication", Applied Physics Express, vol. 13, pp. 014001, nov, 2019.
Mehari, S., D. A. Cohen, D. L. Becerra, H. Zhang, C. Weisbuch, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Semipolar III-nitride laser diodes for solid-state lighting", Novel In-Plane Semiconductor Lasers XVIII: International Society for Optics and Photonics, 2019.
Wong, M. S., C. Lee, D. J. Myers, D. Hwang, J. A. Kearns, T. Li, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Size-independent peak efficiency of III-nitride micro-light-emitting-diodes using chemical treatment and sidewall passivation", Applied Physics Express, vol. 12, pp. 097004, aug, 2019.
2018
Espenlaub, A. C., A. I. Alhassan, S. Nakamura, C. Weisbuch, and J. S. Speck, "Auger-generated hot carrier current in photo-excited forward biased single quantum well blue light emitting diodes", Applied Physics Letters, vol. 112, no. 14: AIP Publishing, pp. 141106, 2018.

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