Publications

Found 645 results
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2022
Li, P., H. Li, Y. Yang, H. Zhang, P. Shapturenka, M. Wong, C. Lynsky, M. Iza, M. J. Gordon, J. S. Speck, et al., "Demonstration of ultra-small 5 × 5 μm2 607 nm InGaN amber micro-light-emitting diodes with an external quantum efficiency over 2\%", Applied Physics Letters, vol. 120, 01, 2022.
Hamdy, S. W., S. P. DenBaars, J. S. Speck, and S. Nakamura, "Designs for III-nitride edge-emitting laser diodes with tunnel junction contacts for low internal optical absorption loss", Optical Engineering, vol. 61, pp. 027102, 2022.
Yapparov, R., C. Lynsky, Y. Chao Chow, S. Nakamura, S. P. DenBaars, J. S. Speck, and S. Marcinkevičius, "Engineering of quantum barriers for efficient InGaN quantum well LEDs", Optica Advanced Photonics Congress 2022: Optica Publishing Group, 2022.
Denbaars, S., M. Wong, P. Li, H. Li, J. Smith, R. White, J. Ewing, P. Shapturenka, M. Gordon, C. Lynsky, et al., "III-nitride-based RGB microLEDs for AR/VR applications", Light-Emitting Devices, Materials, and Applications XXVI: International Society for Optics and Photonics, 2022.
Chow, Y. C., C. Lynsky, S. Nakamura, S. P. DenBaars, C. Weisbuch, and J. S. Speck, "Impact of doped barriers on the recombination coefficients of c-plane InGaN/GaN single quantum well light-emitting diodes", Applied Physics Letters, vol. 121, 11, 2022.
Lynsky, C., G. Lheureux, B. Bonef, K. Shek Qwah, R. C. White, S. P. DenBaars, S. Nakamura, Y-R. Wu, C. Weisbuch, and J. S. Speck, "Improved Vertical Carrier Transport for Green III-Nitride LEDs Using $(\mathrmIn,\mathrmGa)\mathrmN$ Alloy Quantum Barriers", Phys. Rev. Appl., vol. 17, pp. 054048, May, 2022.
Wong, M. S., P. Chan, N. Lim, H. Zhang, R. C. White, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Low Forward Voltage III-Nitride Red Micro-Light-Emitting Diodes on a Strain Relaxed Template with an InGaN Decomposition Layer", Crystals, vol. 12, pp. 721, 2022.
Yao, Y., C. J. Zollner, M. Wang, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Polarization-Enhanced p-AlGaN Superlattice Optimization for GUV LED", IEEE Journal of Quantum Electronics, vol. 58, pp. 1-9, 2022.
Wong, M. S., J. S. Speck, S. Nakamura, and S. P. DenBaars, "Progress in III-Nitride Tunnel Junctions for Optoelectronic Devices", IEEE Journal of Quantum Electronics, vol. 58, pp. 1-11, 2022.
Li, P., H. Li, M. S. Wong, P. Chan, Y. Yang, H. Zhang, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Progress of InGaN-Based Red Micro-Light Emitting Diodes", Crystals, vol. 12, pp. 541, 2022.
Li, P., H. Li, H. Zhang, Y. Yang, M. S. Wong, C. Lynsky, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, et al., "Red InGaN micro-light-emitting diodes (\>620 nm) with a peak external quantum efficiency of 4.5\% using an epitaxial tunnel junction contact", Applied Physics Letters, vol. 120, 03, 2022.
Yao, Y., H. Li, P. Li, C. J. Zollner, M. Wang, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Size dependent characteristics of AlGaN-based deep ultraviolet micro-light-emitting-diodes", Applied Physics Express, vol. 15, pp. 064003, may, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
Green, A. J., J. Speck, G. Xing, P. Moens, F. Allerstam, K. Gumaelius, T. Neyer, A. Arias-Purdue, V. Mehrotra, A. Kuramata, et al., "β-Gallium oxide power electronics", APL Materials, vol. 10, 02, 2022.
2023
Wang, M., F. Wu, Y. Yao, C. Zollner, M. Iza, M. Lam, S. P. DenBaars, S. Nakamura, and J. S. Speck, "10.6% external quantum efficiency germicidal UV-LEDs grown on thin highly conductive n-AlGaN", Applied Physics Letters, vol. 123, issue 23, 2023.
Ho, W. Ying, Y. Chao Chow, Z. Biegler, K. Shek Qwah, T. Tak, A. Wissel-Garcia, I. Liu, F. Wu, S. Nakamura, and J. S. Speck, "Atomic layer etching (ALE) of III-nitrides", Applied Physics Letters, vol. 123, issue 6, 2023.
Ho, W. Ying, A. I. Alhassan, C. Lynsky, Y. Chao Chow, D. J. Myers, S. P. DenBaars, S. Nakamura, J. Peretti, C. Weisbuch, and J. S. Speck, "Detection of hot electrons originating from an upper valley at 1.7 eV above the Γ valley in wurtzite GaN using electron emission spectroscopy", Phys. Rev. B, vol. 107, pp. 035303, Jan, 2023.
Mickevičius, J., E. Valkiūnaitė, Ž. Podlipskas, K. Nomeika, S. Nargelas, G. Tamulaitis, Y.C. Chow, S. Nakamura, J.S. Speck, C. Weisbuch, et al., "Dynamics of double-peak photoluminescence in m-plane InGaN/GaN MQWs", Journal of Luminescence, vol. 257, pp. 119732, 2023.
Mickevičius, J., E. Valkiūnaitė, Ž. Podlipskas, K. Nomeika, S. Nargelas, G. Tamulaitis, Y.C. Chow, S. Nakamura, J.S. Speck, C. Weisbuch, et al., "Dynamics of double-peak photoluminescence in m-plane InGaN/GaN MQWs", Journal of Luminescence, vol. 257, pp. 119732, 2023.
Mickevičius, J., E. Valkiūnaitė, Ž. Podlipskas, K. Nomeika, S. Nargelas, G. Tamulaitis, Y.C. Chow, S. Nakamura, J.S. Speck, C. Weisbuch, et al., "Dynamics of double-peak photoluminescence in m-plane InGaN/GaN MQWs", Journal of Luminescence, vol. 257, pp. 119732, 2023.
Marcinkevičius, S., Y. Chao Chow, S. Nakamura, and J. S. Speck, "Effect of Mg doping on carrier recombination in GaN", Journal of Applied Physics, vol. 134, issue 8, 2023.
Marcinkevičius, S., J. Ewing, R. Yapparov, F. Wu, S. Nakamura, and J. S. Speck, "Experimental evidence of hole injection through V-defects in long wavelength GaN-based LEDs", Applied Physics Letters, vol. 123, issue 20, 2023.
M Taib, I. Md, M. A. Ahmad, E. A. Alias, A. I. Alhassan, I. A. Ajia, M. M. Muhammed, I. S. Roqan, S. P. DenBaars, J. S. Speck, S. Nakamura, et al., "Growth modification via indium surfactant for InGaN/GaN green LED", Semiconductor Science and Technology, vol. 38, pp. 035025, feb, 2023.
Ewing, J. J., C. Lynsky, M. S. Wong, F. Wu, Y. Chao Chow, P. Shapturenka, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "High external quantum efficiency (6.5%) InGaN V-defect LEDs to 600 nm and patterned sapphire substrates", Optics Express, vol. 31, issue 25, pp. 41351-41360, 2023.

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