Publications

Found 859 results
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2020
Khoury, M., H. Li, P. Li, Y. Chao Chow, B. Bonef, H. Zhang, M. S. Wong, S. Pinna, J. Song, J. Choi, et al., "Polarized monolithic white semipolar (202̅1) InGaN light-emitting diodes grown on high quality (202̅1) GaN/sapphire templates and its application to visible light communication", Nano Energy, vol. 67, pp. 104236, 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.
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.
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.
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.
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.
Hilfiker, M., U. Kilic, A. Mock, V. Darakchieva, S. Knight, R. Korlacki, A. Mauze, Y. Zhang, J. Speck, and M. Schubert, "Dielectric function tensor (1.5 eV to 9.0 eV), anisotropy, and band to band transitions of monoclinic β-(AlxGa1–x)2O3 (x ≤ 0.21) films", Applied Physics Letters, vol. 114, pp. 231901, 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.
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.
Baj, M., L. H. Dmowski, A. Kwiatkowski, J. Przybytek, X. Wang, G. Koblmüller, C. S. Gallinat, and J. S. Speck, "Puzzle of non-surface related 2D electron gas in n-InN epitaxial samples", Journal of Applied Physics, vol. 126, pp. 045705, 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.
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
Reparaz, J. S., P. K. da Silva, A. H. Romero, J. Serrano, M. R. Wagner, G. Callsen, S. J. Choi, J. S. Speck, and A. R. Goñi, "Comparative study of the pressure dependence of optical-phonon transverse-effective charges and linewidths in wurtzite InN", Phys. Rev. B, vol. 98, pp. 165204, Oct, 2018.

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