Publications

Found 31 results
Author Title Type [ Year(Asc)]
Filters: Author is Tyagi, Anurag  [Clear All Filters]
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.
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
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.
Speck, J. S., A. Tyagi, S. P. DenBaars, and S. Nakamura, Limiting strain relaxation in III-nitride hetero-structures by substrate and epitaxial layer patterning, 2014.
2013
Nakamura, S., J. S. Speck, S. P. DenBaars, and A. Tyagi, Cleaved facet (Ga, Al, In) N edge-emitting laser diodes grown on semipolar bulk gallium nitride substrates, 2013.
2012
Zhong, H., A. Tyagi, J. Stephen Speck, S. P. DenBaars, and S. Nakamura, Thin p-type gallium nitride and aluminum gallium nitride electron-blocking layer free gallium nitride-based light emitting diodes, 2012.
Speck, J. S., A. Tyagi, A. E. Romanov, S. Nakamura, and S. P. DenBaars, Vicinal semipolar iii-nitride substrates to compensate tilt of relaxed hetero-epitaxial layers, 2012.
2011
Romanov, A. E., E. C. Young, F. Wu, A. Tyagi, C. S. Gallinat, S. Nakamura, S. P. DenBaars, and J. S. Speck, "Basal plane misfit dislocations and stress relaxation in III-nitride semipolar heteroepitaxy", Journal of Applied Physics, vol. 109, no. 10: AIP, pp. 103522, 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.
2010
Young, E. C., C. S. Gallinat, A. E. Romanov, A. Tyagi, F. Wu, and J. S. Speck, "Critical thickness for onset of plastic relaxation in (1122) and (2021) semipolar AlGaN heterostructures", Applied physics express, vol. 3, no. 11: IOP Publishing, pp. 111002, 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.
Young, E. C., F. Wu, A. E. Romanov, A. Tyagi, C. S. Gallinat, S. P. DenBaars, S. Nakamura, and J. S. Speck, "Lattice tilt and misfit dislocations in (1122) semipolar GaN heteroepitaxy", Applied physics express, vol. 3, no. 1: IOP Publishing, pp. 011004, 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.
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.
2009
Tyagi, A., R. M. Farrell, K. M. Kelchner, C-Y. Huang, P. Shan Hsu, D. A. Haeger, M. T. Hardy, C. Holder, K. Fujito, D. A. Cohen, et al., "AlGaN-cladding free green semipolar GaN based laser diode with a lasing wavelength of 506.4 nm", Applied Physics Express, vol. 3, no. 1: IOP Publishing, pp. 011002, 2009.
Garrett, G. A., H. Shen, M. Wraback, A. Tyagi, M. C. Schmidt, J. S. Speck, S. P. DenBaars, and S. Nakamaura, "Comparison of time-resolved photoluminescence from InGaN single quantum wells grown on nonpolar and semipolar bulk GaN substrates", physica status solidi (c), vol. 6, no. S2: WILEY-VCH Verlag, 2009.
Zhong, H., A. Tyagi, N. Pfaff, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Enhancing the light extraction efficiency of blue semipolar (1011) nitride-based light emitting diodes through surface patterning", Japanese Journal of Applied Physics, vol. 48, no. 3R: IOP Publishing, pp. 030201, 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.
Shen, P. H., G. Garrett, M. Wraback, H. Zhong, A. Tyagi, J. Speck, and S. Nakamura, "Piezoelectric Field in Semi-Polar InGaN/GaN Quantum Wells", Meeting Abstracts, no. 21: The Electrochemical Society, pp. 885–885, 2009.
2008
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "The Blue Laser Diode'The Blue Laser Diode', 1997", Journal of light and visual environment, vol. 32, no. 2, pp. 107–110, 2008.
Sato, H., H. Hirasawa, H. Asamizu, N. Fellows, A. Tyagi, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "High power and high efficiency semipolar InGaN light emitting diodes", Journal of Light & Visual Environment, vol. 32, no. 2: The Illuminating Engineering Institute of Japan, pp. 107–110, 2008.
Tyagi, A., H. Zhong, R. B. Chung, D. F. Feezell, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "InGaN/GaN laser diodes on semipolar (10$$\backslash$bar 1$ $$\backslash$bar 1$) bulk GaN substrates", physica status solidi (c), vol. 5, no. 6: WILEY-VCH Verlag, pp. 2108–2110, 2008.
Tyagi, A., Y-. Da Lin, D. A. Cohen, M. Saito, K. Fujito, J. S. Speck, S. P. DenBaars, and S. Nakamura, "Stimulated emission at blue-green (480 nm) and green (514 nm) wavelengths from nonpolar (m-plane) and semipolar (1122) InGaN multiple quantum well laser diode structures", Applied physics express, vol. 1, no. 9: IOP Publishing, pp. 091103, 2008.

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