Publications

Found 61 results
Author Title Type [ Year(Asc)]
Filters: Author is Farrell, Robert M  [Clear All Filters]
2018
Filoche, M., M. Piccardo, C-K. Li, Y-R. Wu, J. S. Speck, B. Bonef, R. M. Farrell, S. Mayboroda, J-M. Lentali, L. Martinelli, et al., "Carrier localization induced by alloy disorder in nitride devices: theory and experiments (Conference Presentation)", Gallium Nitride Materials and Devices XIII, vol. 10532: International Society for Optics and Photonics, pp. 105320S, 2018.
Alhassan, A. I., N. G. Young, R. M. Farrell, C. Pynn, F. Wu, A. Y. Alyamani, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Development of high performance green c-plane III-nitride light-emitting diodes", Optics express, vol. 26, no. 5: Optical Society of America, pp. 5591–5601, 2018.
Lee, C., C. Shen, C. Cozzan, R. M. Farrell, S. Nakamura, A. Y. Alyamani, B. S. Ooi, J. E. Bowers, S. P. DenBaars, and J. S. Speck, "Semipolar GaN-based laser diodes for Gbit/s white lighting communication: devices to systems", Gallium Nitride Materials and Devices XIII, vol. 10532: International Society for Optics and Photonics, pp. 105321N, 2018.
2016
Kowsz, S. J., C. D. Pynn, F. Wu, R. M. Farrell, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Designing optically pumped InGaN quantum wells with long wavelength emission for a phosphor-free device with polarized white-light emission", Gallium Nitride Materials and Devices XI, vol. 9748: International Society for Optics and Photonics, pp. 97481Z, 2016.
Hwang, D., B. Yonkee, R. M. Farrell, S. Nakamura, J. S. Speck, and S. P. DenBaars, "Development of c-plane thin-film flip-chip LEDs fabricated by photoelectrochemical (PEC) liftoff", 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.
Lee, C., C. Zhang, D. L. Becerra, S. Lee, C. A. Forman, S. Ho Oh, R. M. Farrell, J. S. Speck, S. Nakamura, J. E. Bowers, et al., "Dynamic characteristics of 410 nm semipolar (20 2 1) iii-nitride laser diodes with a modulation bandwidth of over 5 ghz", Applied Physics Letters, vol. 109, no. 10: AIP Publishing, pp. 101104, 2016.
Alhassan, A. I., R. M. Farrell, B. Saifaddin, A. Mughal, F. Wu, S. P. DenBaars, S. Nakamura, and J. S. Speck, "High luminous efficacy green light-emitting diodes with AlGaN cap layer", Optics express, vol. 24, no. 16: Optical Society of America, pp. 17868–17873, 2016.
Cantore, M., N. Pfaff, R. M. Farrell, J. S. Speck, S. Nakamura, and S. P. DenBaars, "High luminous flux from single crystal phosphor-converted laser-based white lighting system", Optics Express, vol. 24, no. 2: Optical Society of America, pp. A215–A221, 2016.
Pourhashemi, A., R. M. Farrell, S. P. DenBaars, J. S. Speck, and S. Nakamura, High power blue-violet III-nitride semipolar laser diodes, may # " 31", 2016.
Lee, C., C. Zhang, D. Becerra, S. Lee, S. Ho Oh, R. M. Farrell, J. S. Speck, S. Nakamura, J. E. Bowers, and S. P. DenBaars, "High speed performance of III-nitride laser diode grown on (2021) semipolar plane for visible light communication", Photonics Conference (IPC), 2016 IEEE: IEEE, pp. 809–810, 2016.
Lee, C., C. Zhang, D. L. Becerra, S. Lee, R. M. Farrell, J. S. Speck, S. Nakamura, J. E. Bowers, and S. P. DenBaars, "High-speed performance of III-nitride 410 nm ridge laser diode on (202Ø1Ø) plane for visible light communication", Compound Semiconductor Week (CSW)[Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), 2016: IEEE, pp. 1–2, 2016.
Becerra, D. L., L. Y. Kuritzky, J. Nedy, A. Saud Abbas, A. Pourhashemi, R. M. Farrell, D. A. Cohen, S. P. DenBaars, J. S. Speck, and S. Nakamura, "Measurement and analysis of internal loss and injection efficiency for continuous-wave blue semipolar (20 2\= 1\=) III-nitride laser diodes with chemically assisted ion beam etched facets", Applied Physics Letters, vol. 108, no. 9: AIP Publishing, pp. 091106, 2016.
Hwang, D., B. P. Yonkee, B. Saif Addin, R. M. Farrell, S. Nakamura, J. S. Speck, and S. DenBaars, "Photoelectrochemical liftoff of LEDs grown on freestanding c-plane GaN substrates", Optics Express, vol. 24, no. 20: Optical Society of America, pp. 22875–22880, 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.
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. 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.
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.
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.
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.
Hsu, P. Shan, K. M. Kelchner, R. M. Farrell, D. A. Haeger, H. Ohta, A. Tyagi, S. Nakamura, S. P. DenBaars, and J. S. Speck, Semi-polar iii-nitride optoelectronic devices on m-plane substrates with miscuts less than+/-15 degrees in the c-direction, 2015.

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