Publications

Found 859 results
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2016
Mensi, M. D., D. L. Becerra, R. Ivanov, S. Marcinkevičius, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Properties of near-field photoluminescence in green emitting single and multiple semipolar (20< span style=", Optical Materials Express, vol. 6, no. 1: Optical Society of America, pp. 39–45, 2016.
Oh, S. Ho, B. P. Yonkee, M. Cantore, R. M. Farrell, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Semipolar III–nitride light-emitting diodes with negligible efficiency droop up to 1 W", Applied Physics Express, vol. 9, no. 10: IOP Publishing, pp. 102102, 2016.
Yonkee, BP., EC. Young, SP. DenBaars, S. Nakamura, and JS. Speck, "Silver free III-nitride flip chip light-emitting-diode with wall plug efficiency over 70% utilizing a GaN tunnel junction", Applied Physics Letters, vol. 109, no. 19: AIP Publishing, pp. 191104, 2016.
Lee, S., S. Mishkat-Ul-Masabih, J. T. Leonard, D. F. Feezell, D. A. Cohen, J. S. Speck, S. Nakamura, and S. P. DenBaars, "Smooth and selective photo-electrochemical etching of heavily doped GaN: Si using a mode-locked 355 nm microchip laser", Applied Physics Express, vol. 10, no. 1: IOP Publishing, pp. 011001, 2016.
Dreyer, C. E., A. Alkauskas, J. L. Lyons, J. S. Speck, and C. G. Van de Walle, "Sources of Shockley-Read-Hall recombination in III-nitride light emitters", APS Meeting Abstracts, 2016.
Myzaferi, A., AH. Reading, DA. Cohen, RM. Farrell, S. Nakamura, JS. Speck, and SP. DenBaars, "Transparent conducting oxide clad limited area epitaxy semipolar III-nitride laser diodes", Applied Physics Letters, vol. 109, no. 6: AIP Publishing, pp. 061109, 2016.
Kowsz, S., C. Pynn, R. Farrell, J. Speck, S. DenBaars, and S. Nakamura, "Tunnel junction devices with monolithic optically pumped and electrically injected InGaN quantum wells for polarized white light emission", Compound Semiconductor Week (CSW)[Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), 2016: IEEE, pp. 1–1, 2016.
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.
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.
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.
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.
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.
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.
Ivanov, R., S. Marcinkevičius, Y. Zhao, DL. Becerra, S. Nakamura, SP. DenBaars, and JS. Speck, "Impact of carrier localization on radiative recombination times in semipolar (20 2\= 1) plane InGaN/GaN quantum wells", Applied Physics Letters, vol. 107, no. 21: AIP Publishing, pp. 211109, 2015.
Nedy, J. G., N. G. Young, K. M. Kelchner, Y. Hu, R. M. Farrell, S. Nakamura, S. P. DenBaars, C. Weisbuch, and J. S. Speck, "Low damage dry etch for III-nitride light emitters", Semiconductor Science and Technology, vol. 30, no. 8: IOP Publishing, pp. 085019, 2015.
Shen, C., J. Leonard, A. Pourhashemi, H. Oubei, M. Sharizal Alias, T. Khee Ng, S. Nakamura, S. P. DenBaars, J. S. Speck, A. Y. Alyamani, et al., "Low modulation bias InGaN-based integrated EA-modulator-laser on semipolar GaN substrate", Photonics Conference (IPC), 2015: IEEE, pp. 581–582, 2015.
Kuritzky, L., D. Myers, K. Kelchner, S. Nakamura, S. DenBaars, C. Weisbuch, and J. Speck, "$ m $-Plane GaN Growth on``Double Miscut''Bulk Substrates for Blue Laser Diode Applications", Bulletin of the American Physical Society, vol. 60: APS, 2015.
D'evelyn, M. P., and J. S. Speck, Method for synthesis of high quality large area bulk gallium based crystals, 2015.
DenBaars, S. P., M. C. Schmidt, K. Choong Kim, J. S. Speck, and S. Nakamura, Non-polar and semi-polar light emitting devices, 2015.

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