Publications

Found 645 results
Author Title Type [ Year(Desc)]
Filters: First Letter Of Last Name is N  [Clear All Filters]
2023
Yao, Y., H. Li, M. Wang, P. Li, M. Lam, M. Iza, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High external quantum efficiency (6.8%) UV-A LEDs on AlN templates with quantum barrier optimization", Optics Express, vol. 31, issue 18, pp. 28649-28657, 2023.
Li, P., H. Li, Y. Yao, K. Shek Qwah, M. Iza, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Hybrid tunnel junction enabled independent junction control of cascaded InGaN blue/green micro-light-emitting diodes", Opt. Express, vol. 31, pp. 7572–7578, Feb, 2023.
Wong, M. S., A. Raj, H-M. Chang, V. Rienzi, F. Wu, J. J. Ewing, E. S. Trageser, S. Gee, N. C. Palmquist, P. Chan, et al., "Improved wall-plug efficiency of III-nitride tunnel junction micro-light-emitting diodes with AlGaN/GaN polarization charges", AIP Advances, vol. 13, 01, 2023.
Li, P., H. Li, Y. Yang, M. S. Wong, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, and S. P. DenBaars, "InGaN amber micrometer-scale light-emitting diodes with a peak external quantum efficiency of 5.5%", Applied Physics Express, 2023.
Chow, Y. C., C. Lynsky, S. Nakamura, S. P. DenBaars, C. Weisbuch, and J. S. Speck, "Low-efficiency-droop c-plane InGaN/GaN light-emitting diodes through the use of thick single quantum wells and doped barriers", Journal of Applied Physics, vol. 133, 04, 2023.
Ho, W. Ying, Y. Chao Chow, S. Nakamura, J. Peretti, C. Weisbuch, and J. S. Speck, "Measurement of minority carrier diffusion length in p-GaN using electron emission spectroscopy (EES)", Applied Physics Letters, vol. 122, 2023.
Wong, M. S., H. Zhang, E. S. Trageser, R. M. Anderson, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Narrow ridge III-nitride m-plane violet edge-emitting laser diodes with sidewall passivation using atomic layer deposition", Gallium Nitride Materials and Devices XVIII: International Society for Optics and Photonics, 2023.
Chow, Y. Chao, T. Tak, F. Wu, J. Ewing, S. Nakamura, S. P. DenBaars, Y. Ren Wu, C. Weisbuch, and J. S. Speck, "Origins of the high-energy electroluminescence peaks in long-wavelength (~ 495-685 nm) InGaN light-emitting diodes", Applied Physics Letters, vol. 123, issue 9, 2023.
Sauty, M., N. Alyabyeva, C. Lynsky, Y. Chao Chow, S. Nakamura, J. S. Speck, Y. Lassailly, A. C. H. Rowe, C. Weisbuch, and J. Peretti, "Probing Local Emission Properties in InGaN/GaN Quantum Wells by Scanning Tunneling Luminescence Microscopy", physica status solidi (b), vol. 260, pp. 2200365, 2023.
Wong, M. S., R. C. White, S. Gee, T. Tak, S. Gandrothula, H. Choi, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Recovering the efficiency of AlGaInP red micro-LEDs using sidewall treatments", Applied Physics Express, vol. 16, issue 6, 2023.
Li, P., H. Li, Y. Yao, N. Lim, M. Wong, M. Iza, M. J. Gordon, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Significant Quantum Efficiency Enhancement of InGaN Red Micro-Light-Emitting Diodes with a Peak External Quantum Efficiency of up to 6%", ACS Photonics, pp. null, 2023.
Ho, W. Ying, C. W. Johnson, T. Tak, M. Sauty, Y. Chao Chow, S. Nakamura, A. Schmid, J. Peretti, C. Weisbuch, and J. S. Speck, "Steady-state junction current distribution in pn GaN diodes measured using low-energy electron microscopy (LEEM)", Applied Physics Letters, vol. 123, issue 3, 2023.
Wu, F., J. Ewing, C. Lynsky, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Structure of V-defects in long wavelength GaN-based light emitting diodes", Journal of Applied Physics, vol. 133, 01, 2023.
Wu, F., J. Ewing, C. Lynsky, M. Iza, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Structure of V-defects in long wavelength GaN-based light emitting diodes", Journal of Applied Physics, vol. 133, 01/2023.
2024
Yapparov, R., T. Tak, J. Ewing, F. Wu, S. Nakamura, S. P. DenBaars, J. S. Speck, and S. Marcinkevičius, "Carrier Diffusion in long wavelength InGaN quantum well LEDs after injection through V-defects", Applied Physics Letters, vol. 125, issue 3, 07/2024.
Quevedo, A., F. Wu, T-Y. Tsai, J. J. Ewing, T. Tak, S. Gandrothula, S. Gee, X. Li, S. Nakamura, S. P. DenBaars, et al., "Dislocation half-loop control for optimal V-defect density in GaN-based light emitting diodes", Applied Physics Letters, vol. 125, issue 4, 07/2024.
Marcinkevičius, S., T. Tak, Y. Chao Chow, F. Wu, R. Yapparov, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Dynamics of carrier injection through V-defects in long wavelength GaN LEDs", Applied Physics Letters, vol. 124, issue 18, 04/2024.
Wong, M. S., E. S. Trageser, H. Zhang, H-M. Chang, S. Gee, T. Tak, S. Gandrothula, C. Lee, J. S. Speck, S. Nakamura, et al., "III-nitride m-plane violet narrow ridge edge-emitting laser diodes with sidewall passivation using atomic layer deposition", Optics Express, vol. 32, issue 12, 06/2024.
Tak, T., A. Quevedo, F. Wu, S. Gandrothula, J. J. Ewing, S. Gee, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Planarization of p-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs", Applied Physics Letters, vol. 124, issue 17, 04/2024.
Ewing, J. J., F. Wu, A. Quevedo, T. Tak, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Pure edge-dislocation half-loops in low-temperature GaN for V-defect formation", Physical Review Applied, vol. 21, issue 6, 06/2024.

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