Publications

Found 20 results
Author Title Type [ Year(Asc)]
Filters: Author is Ohta, Hiroaki  [Clear All Filters]
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.
Ohta, H., F. Wu, A. Tyagi, A. Chakraborty, J. S. Speck, S. P. DenBaars, S. Nakamura, and E. C. Young, Semipolar or nonpolar nitride-based devices on partially or fully relaxed alloys with misfit dislocations at the heterointerface, 2015.
2014
Da Lin, Y-., H. Ohta, S. Nakamura, S. P. DenBaars, and J. S. Speck, Aluminum gallium nitride barriers and separate confinement heterostructure (SCH) layers for semipolar plane III-nitride semiconductor-based light emitting diodes and laser diodes, jun # " 24", 2014.
Ohta, H., F. Wu, A. Tyagi, A. Chakraborty, J. S. Speck, S. P. DenBaars, S. Nakamura, and E. C. Young, Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocations, 2014.
2011
Hsu, P. Shan, J. Sonoda, K. M. Kelchner, A. Tyagi, R. M. Farrell, D. A. Haeger, E. C. Young, A. E. Romanov, K. Fujito, H. Ohta, et al., "Blue InGaN/GaN laser diodes grown on (33$$\backslash$bar 3$\backslash$bar 1$) free-standing GaN substrates", physica status solidi (c), vol. 8, no. 7-8: WILEY-VCH Verlag, pp. 2390–2392, 2011.
Tyagi, A., R. M. Farrell, C-Y. Huang, P. Shan Hsu, D. A. Haeger, K. M. Kelchner, H. Ohta, S. Nakamura, S. P. DenBaars, and J. S. Speck, Semipolar iii-nitride laser diodes with etched mirrors, 2011.
Farrell, R. M., M. T. Hardy, H. Ohta, S. P. DenBaars, J. S. Speck, and S. Nakamura, Structure for Improving the Mirror Facet Cleaving Yield of (Ga, Al, In, B) N Laser Diodes Grown on Nonpolar or Semipolar (Ga, Al, In, B) N Substrates, 2011.
Hardy, M. T., Y-. Da Lin, H. Ohta, S. P. DenBaars, J. S. Speck, S. Nakamura, and K. M. Kelchner, Superluminescent diodes by crystallographic etching, 2011.
2010
Kelchner, K. M., R. M. Farrell, Y-. Da Lin, P. Shan Hsu, M. T. Hardy, F. Wu, D. A. Cohen, H. Ohta, J. S. Speck, S. Nakamura, et al., "Continuous-wave operation of pure blue AlGaN-cladding-free nonpolar InGaN/GaN laser diodes", Applied Physics Express, vol. 3, no. 9: IOP Publishing, pp. 092103, 2010.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High quality InGaN/AlGaN multiple quantum wells for semipolar InGaN green laser diodes", Applied Physics Express, vol. 3, no. 8: IOP Publishing, pp. 082001, 2010.
Hsu, P. Shan, K. M. Kelchner, A. Tyagi, R. M. Farrell, D. A. Haeger, K. Fujito, H. Ohta, S. P. DenBaars, J. S. Speck, and S. Nakamura, "InGaN/GaN blue laser diode grown on semipolar (3031) free-standing GaN substrates", Applied physics express, vol. 3, no. 5: IOP Publishing, pp. 052702, 2010.
Huang, C-Y., Y-. Da Lin, A. Tyagi, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Optical waveguide simulations for the optimization of InGaN-based green laser diodes", Journal of Applied Physics, vol. 107, no. 2: AIP, pp. 023101, 2010.
Da Lin, Y-., S. Yamamoto, C-Y. Huang, C-L. Hsiung, F. Wu, K. Fujito, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Photonics, quantum electronics, optics, and spectroscopy 082001 High Quality InGaN/AlGaN Multiple Quantum Wells for Semipolar InGaN Green Laser Diodes", Applied Physics Express, vol. 3, no. 8, 2010.
Huang, C-Y., A. Tyagi, Y-. Da Lin, M. T. Hardy, P. Shan Hsu, K. Fujito, J-S. Ha, H. Ohta, J. S. Speck, S. P. DenBaars, et al., "Propagation of spontaneous emission in birefringent m-axis oriented semipolar (1122)(Al, In, Ga) N waveguide structures", Japanese Journal of Applied Physics, vol. 49, no. 1R: IOP Publishing, pp. 010207, 2010.
Wu, F., Y-. Da Lin, A. Chakraborty, H. Ohta, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Stacking fault formation in the long wavelength InGaN/GaN multiple quantum wells grown on m-plane GaN", Applied Physics Letters, vol. 96, no. 23: AIP, pp. 231912, 2010.
2009
Da Lin, Y-., M. T. Hardy, P. Shan Hsu, K. M. Kelchner, C-Y. Huang, D. A. Haeger, R. M. Farrell, K. Fujito, A. Chakraborty, H. Ohta, et al., "Blue-green InGaN/GaN laser diodes on miscut m-plane GaN substrate", Applied physics express, vol. 2, no. 8: IOP Publishing, pp. 082102, 2009.
Hardy, M. T., K. M. Kelchner, Y-. Da Lin, P. Shan Hsu, K. Fujito, H. Ohta, J. S. Speck, S. Nakamura, and S. P. DenBaars, "m-Plane GaN-based blue superluminescent diodes fabricated using selective chemical wet etching", Applied Physics Express, vol. 2, no. 12: IOP Publishing, pp. 121004, 2009.
Da Lin, Y-., C-Y. Huang, M. T. Hardy, P. Shan Hsu, K. Fujito, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "m-plane pure blue laser diodes with p-GaN", Applied physics letters, vol. 95, no. 8: American Institute of Physics, 2009.
Da Lin, Y-., C-Y. Huang, M. T. Hardy, P. Shan Hsu, K. Fujito, A. Chakraborty, H. Ohta, J. S. Speck, S. P. DenBaars, and S. Nakamura, "m-plane pure blue laser diodes with p-GaN/n-AlGaN-based asymmetric cladding and InGaN-based wave-guiding layers", Applied Physics Letters, vol. 95, no. 8: AIP, pp. 081110, 2009.
Tyagi, A., F. Wu, E. C. Young, A. Chakraborty, H. Ohta, R. Bhat, K. Fujito, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Partial strain relaxation via misfit dislocation generation at heterointerfaces in (Al, In) GaN epitaxial layers grown on semipolar (11 2\= 2) GaN free standing substrates", Applied Physics Letters, vol. 95, no. 25: AIP, pp. 251905, 2009.