Publications

Found 2098 results
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2015
Lee, C., C. Shen, H. M. Oubei, M. Cantore, B. Janjua, T. Khee Ng, R. M. Farrell, M. M. El-Desouki, J. S. Speck, S. Nakamura, et al., "2 Gbit/s data transmission from an unfiltered laser-based phosphor-converted white lighting communication system", Optics express, vol. 23, no. 23: Optical Society of America, pp. 29779–29787, 2015.
Lee, C., C. Zhang, M. Cantore, R. Farrell, S. Ho Oh, T. Margalith, J. S. Speck, S. Nakamura, J. E. Bowers, and S. P. DenBaars, "2.6 GHz high-speed visible light communication of 450 nm GaN laser diode by direct modulation", Summer Topicals Meeting Series (SUM), 2015: IEEE, pp. 228–229, 2015.
Lee, C., C. Zhang, M. Cantore, R. M. Farrell, S. Ho Oh, T. Margalith, J. S. Speck, S. Nakamura, J. E. Bowers, and S. P. DenBaars, "4 Gbps direct modulation of 450 nm GaN laser for high-speed visible light communication", Optics express, vol. 23, no. 12: Optical Society of America, pp. 16232–16237, 2015.
Iza, M., J. S. Speck, S. Nakamura, and S. P. DenBaars, (Al, In, Ga, B) N DEVICE STRUCTURES ON A PATTERNED SUBSTRATE, 2015.
Feezell, D. F., M. C. Schmidt, K-C. Kim, R. M. Farrell, D. A. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, Al (x) Ga (1-x) N-cladding-free nonpolar III-nitride based laser diodes and light emitting diodes, may # " 26", 2015.
Feezell, D. F., M. C. Schmidt, K-C. Kim, R. M. Farrell, D. A. Cohen, J. S. Speck, S. P. DenBaars, and S. Nakamura, Al (x) Ga (1-x) N-cladding-free nonpolar III-nitride based laser diodes and light emitting diodes, may # " 26", 2015.
Pimputkar, S., J. S. Speck, S. Nakamura, and S-ichiro. Kawabata, Ammonothermal growth of group-III nitride crystals on seeds with at least two surfaces making an acute, right or obtuse angle with each other, 2015.
Korhonen, E., V. Prozheeva, F. Tuomisto, O. Bierwagen, JS. Speck, ME. White, Z. Galazka, H. Liu, N. Izyumskaya, V. Avrutin, et al., "Cation vacancies and electrical compensation in Sb-doped thin-film SnO2 and ZnO", Semiconductor Science and Technology, vol. 30, no. 2: IOP Publishing, pp. 024011, 2015.
Megalini, L., D. L. Becerra, R. M. Farrell, A. Pourhashemi, J. S. Speck, S. Nakamura, S. P. DenBaars, and D. A. Cohen, "Continuous-wave operation of a InGaN laser diode with a photoelectrochemically etched current aperture", Applied Physics Express, vol. 8, no. 4: IOP Publishing, pp. 042701, 2015.
Nguyen, X. Sang, K. Lin, Z. Zhang, B. McSkimming, AR. Arehart, JS. Speck, SA. Ringel, E. A. Fitzgerald, and SJ. Chua, "Correlation of a generation-recombination center with a deep level trap in GaN", Applied Physics Letters, vol. 106, no. 10: AIP Publishing, pp. 102101, 2015.
Leonard, JT., EC. Young, BP. Yonkee, DA. Cohen, T. Margalith, SP. DenBaars, JS. Speck, and S. Nakamura, "Demonstration of a III-nitride vertical-cavity surface-emitting laser with a III-nitride tunnel junction intracavity contact", Applied Physics Letters, vol. 107, no. 9: AIP Publishing, pp. 091105, 2015.
Fireman, M. N., D. A. Browne, B. Mazumder, J. S. Speck, and U. K. Mishra, "Demonstration of isotype GaN/AlN/GaN heterobarrier diodes by NH3-molecular beam epitaxy", Applied Physics Letters, vol. 106, no. 20: AIP Publishing, pp. 202106, 2015.
Yonkee, B. P., R. M. Farrell, J. T. Leonard, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Demonstration of low resistance ohmic contacts to p-type (202Ø1Ø) GaN", Semiconductor Science and Technology, vol. 30, no. 7: IOP Publishing, pp. 075007, 2015.
Kowsz, SJ., CD. Pynn, SH. Oh, RM. Farrell, JS. Speck, SP. DenBaars, and S. Nakamura, "Demonstration of phosphor-free polarized white light emission from monolithically integrated semipolar InGaN quantum wells", Applied Physics Letters, vol. 107, no. 10: AIP Publishing, pp. 101104, 2015.
Yeluri, R., J. Lu, C. A. Hurni, D. A. Browne, S. Chowdhury, S. Keller, J. S. Speck, and U. K. Mishra, "Design, fabrication, and performance analysis of GaN vertical electron transistors with a buried p/n junction", Applied Physics Letters, vol. 106, no. 18: AIP Publishing, pp. 183502, 2015.
Weisbuch, C., M. Piccardo, L. Martinelli, J. Iveland, J. Peretti, and J. S. Speck, "The efficiency challenge of nitride light-emitting diodes for lighting", physica status solidi (a), vol. 212, no. 5, pp. 899–913, 2015.
Kuritzky, L. Y., D. J. Myers, J. Nedy, K. M. Kelchner, S. Nakamura, S. P. DenBaars, C. Weisbuch, and J. S. Speck, "Electroluminescence characteristics of blue InGaN quantum wells on m-plane GaN ìdouble miscutî substrates", Applied Physics Express, vol. 8, no. 6: IOP Publishing, pp. 061002, 2015.
Browne, D. A., B. Mazumder, Y-R. Wu, and J. S. Speck, "Electron transport in unipolar InGaN/GaN multiple quantum well structures grown by NH3 molecular beam epitaxy", Journal of Applied Physics, vol. 117, no. 18: AIP Publishing, pp. 185703, 2015.
Pimputkar, S., S. Suihkonen, M. Imade, Y. Mori, JS. Speck, and S. Nakamura, "Free electron concentration dependent sub-bandgap optical absorption characterization of bulk GaN crystals", Journal of Crystal Growth, vol. 432: Elsevier, pp. 49–53, 2015.
Pimputkar, S., S. Suihkonen, M. Imade, Y. Mori, JS. Speck, and S. Nakamura, "Free electron concentration dependent sub-bandgap optical absorption characterization of bulk GaN crystals", Journal of Crystal Growth, vol. 432: Elsevier, pp. 49–53, 2015.
Papadogianni, A., M. E. White, J. S. Speck, Z. Galazka, and O. Bierwagen, "Hall and Seebeck measurements estimate the thickness of a (buried) carrier system: Identifying interface electrons in In-doped SnO2 films", Applied Physics Letters, vol. 107, no. 25: AIP Publishing, pp. 252105, 2015.
McSkimming, B. M., C. Chaix, and J. S. Speck, "High active nitrogen flux growth of GaN by plasma assisted molecular beam epitaxy", Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, vol. 33, no. 5: AVS, pp. 05E128, 2015.
Zhong, H., A. Tyagi, K. J. Vampola, J. S. Speck, S. P. DenBaars, and S. Nakamura, High light extraction efficiency nitride based light emitting diode by surface roughening, 2015.
Gelžinyt\.e, K., R. Ivanov, S. Marcinkevičius, Y. Zhao, DL. Becerra, S. Nakamura, SP. DenBaars, and JS. Speck, "High spatial uniformity of photoluminescence spectra in semipolar (20 2 1) plane InGaN/GaN quantum wells", Journal of Applied Physics, vol. 117, no. 2: AIP Publishing, pp. 023111, 2015.
Pourhashemi, A., RM. Farrell, DA. Cohen, JS. Speck, SP. DenBaars, and S. Nakamura, "High-power blue laser diodes with indium tin oxide cladding on semipolar (20 2 1) GaN substrates", Applied Physics Letters, vol. 106, no. 11: AIP Publishing, pp. 111105, 2015.

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