Publications
] , "Energy savings potential of GaN LEDs for energy efficient lighting and future research directions", Asia Communications and Photonics Conference: Optical Society of America, pp. ATh2A–1, 2013.
, "High performance thin quantum barrier InGaN/GaN solar cells on sapphire and bulk (0001) GaN substrates", Applied Physics Letters, vol. 103, no. 17: AIP, pp. 173903, 2013.
, "Morphological evolution of InGaN/GaN light-emitting diodes grown on free-standing m-plane GaN substrates", Journal of Applied Physics, vol. 113, no. 6: AIP, pp. 063504, 2013.
, "Near-field investigation of spatial variations of (20 2\= 1\=) InGaN quantum well emission spectra", Applied Physics Letters, vol. 103, no. 13: AIP, pp. 131116, 2013.
, "Optical properties of extended and localized states in m-plane InGaN quantum wells", Applied Physics Letters, vol. 102, no. 10: AIP, pp. 101102, 2013.
, "Photoexcited carrier recombination in wide m-plane InGaN/GaN quantum wells", Applied Physics Letters, vol. 103, no. 11: AIP, pp. 111107, 2013.
, "Pulsed high-power AlGaN-cladding-free blue laser diodes on semipolar (20 2 1) GaN substrates", Applied Physics Letters, vol. 103, no. 15: AIP, pp. 151112, 2013.
, "Surface morphology study of basic ammonothermal GaN grown on non-polar GaN seed crystals of varying surface orientations from m-plane to a-plane", Journal of Crystal Growth, vol. 368: Elsevier, pp. 67–71, 2013.
, "Advances in GaN semiconductors for energy efficient solid state lighting", Photonics Conference (IPC), 2012 IEEE: IEEE, pp. 427–428, 2012.
, "Atom probe analysis of interfacial abruptness and clustering within a single In x Ga 1- x N quantum well device on semipolar (10 1\= 1\=) GaN substrate", Applied physics letters, vol. 98, no. 19: AIP, pp. 191903, 2011.
, "Determination of internal parameters for AlGaN-cladding-free m-plane InGaN/GaN laser diodes", Applied Physics Letters, vol. 99, no. 17: AIP, pp. 171115, 2011.
, "Electroluminescence enhancement of (112\= 2) semipolar GaN light-emitting diodes grown on miscut m-plane sapphire substrates", Current Applied Physics, vol. 11, no. 3: North-Holland, pp. 954–958, 2011.
, "High quantum efficiency InGaN/GaN multiple quantum well solar cells with spectral response extending out to 520 nm", Applied Physics Letters, vol. 98, no. 20: AIP, pp. 201107, 2011.
, "High-power blue-violet AlGaN-cladding-free m-plane InGaN/GaN laser diodes", Applied Physics Letters, vol. 99, no. 17: AIP, pp. 171113, 2011.
, "Misfit dislocation formation at heterointerfaces in (Al, In) GaN heteroepitaxial layers grown on semipolar free-standing GaN substrates", Journal of Applied Physics, vol. 109, no. 3: AIP, pp. 033505, 2011.
, "Observation of non-basal slip in semipolar InxGa1-xN/GaN heterostructures", Applied Physics Letters, vol. 99, no. 25: AIP, pp. 251909, 2011.
, "Recent progress in InGaN-based laser diodes fabricated on nonpolar/semipolar substrates", Photonics Conference (PHO), 2011 IEEE: IEEE, pp. 503–504, 2011.
, "Low-threshold-current-density AlGaN-cladding-free m-plane InGaN/GaN laser diodes", Applied Physics Letters, vol. 96, no. 23: AIP, pp. 231113, 2010.
, "Origin of pyramidal hillocks on GaN thin films grown on free-standing m-plane GaN substrates", Applied Physics Letters, vol. 96, no. 23: AIP, pp. 231907, 2010.
, "Polarization field crossover in semi-polar InGaN/GaN single quantum wells", physica status solidi (c), vol. 7, no. 10: Wiley Online Library, pp. 2378–2381, 2010.
, "Determination of polarization field in a semipolar (11 2\= 2) In Ga/ Ga N single quantum well using Franz–Keldysh oscillations in electroreflectance", Applied Physics Letters, vol. 94, no. 24: AIP, pp. 241906, 2009.
, "Unambiguous evidence of the existence of polarization field crossover in a semipolar InGaN/GaN single quantum well", Applied Physics Letters, vol. 95, no. 3: AIP, pp. 033503, 2009.
, "Characterization of nanoscale electronic structure in nonpolar GaN using scanning capacitance microscopy", Journal of Applied Physics, vol. 103, no. 1: AIP, pp. 014305, 2008.
, "Directional emission control and increased light extraction in GaN photonic crystal light emitting diodes", Applied physics letters, vol. 93, no. 10: AIP, pp. 103502, 2008.