Publications
] , "Impact of roughening density on the light extraction efficiency of thin-film flip-chip ultraviolet LEDs grown on SiC", Opt. Express, vol. 27, pp. A1074–A1083, Aug, 2019.
, "Investigation of oxygen and other impurities and their effect on the transparency of a Na flux grown GaN crystal", Journal of Crystal Growth, vol. 508, pp. 50 - 57, 2019.
, "Near unity ideality factor for sidewall Schottky contacts on un-intentionally doped $\upbeta$-Ga2O3", Applied Physics Express, vol. 12, pp. 044005, mar, 2019.
, "Realization of thin-film m-plane InGaN laser diode fabricated by epitaxial lateral overgrowth and mechanical separation from a reusable growth substrate", Opt. Express, vol. 27, pp. 24717–24723, Aug, 2019.
, "Semipolar (202̅1̅) InGaN/GaN micro-photodetector for gigabit-per-second visible light communication", Applied Physics Express, vol. 13, pp. 014001, nov, 2019.
, "Semipolar III-nitride laser diodes for solid-state lighting", Novel In-Plane Semiconductor Lasers XVIII: International Society for Optics and Photonics, 2019.
, "Size-independent peak efficiency of III-nitride micro-light-emitting-diodes using chemical treatment and sidewall passivation", Applied Physics Express, vol. 12, pp. 097004, aug, 2019.
, "VUV Frequency Comb by Cavity-Enhanced High Harmonic Generation on Solid Surfaces", Laser Congress 2019 (ASSL, LAC, LS&C): Optical Society of America, 2019.
, "An exploratory study of acidic ammonothermal growth in a TZM autoclave at high temperatures", Journal of Crystal Growth, vol. 499, pp. 85 - 89, 2018.
, "High-temperature corrosion of Inconel®Alloy 718, Haynes®282®Alloy and CoWAlloy1&2 in supercritical ammonia/ammonium chloride solution", Journal of Crystal Growth, vol. 498, pp. 289 - 300, 2018.
, "Metal-oxide catalyzed epitaxy (MOCATAXY): the example of the O plasma-assisted molecular beam epitaxy of β-(Al x Ga 1− x ) 2 O 3 /β-Ga 2 O 3 heterostructures", Applied Physics Express, vol. 11, pp. 115503, 2018.
, "Prospects for 100% wall-plug efficient III-nitride LEDs", Opt. Express, vol. 26, pp. 16600–16608, Jun, 2018.
, "Atomic structure of prismatic stacking faults in nonpolar a-plane GaN epitaxial layers", Applied Physics Letters, vol. 101, pp. 112102, 2012.
, "AlGaN-Cladding-Free m -Plane InGaN/GaN Laser Diodes with p-Type AlGaN Etch Stop Layers", Applied Physics Express, vol. 4, pp. 092105, 2011.
, "Enhancement-Mode N-Polar GaN Metal–Insulator–Semiconductor Field Effect Transistors with Current Gain Cutoff Frequency of 120 GHz", Applied Physics Express, vol. 4, pp. 024103, 2011.
, "High Quality InGaN/AlGaN Multiple Quantum Wells for Semipolar InGaN Green Laser Diodes", Applied Physics Express, vol. 3, pp. 082001, 2010.
, "Terahertz Radiation from Nonpolar InN Due to Drift in an Intrinsic In-Plane Electric Field", Applied Physics Express, vol. 3, pp. 092201, 2010.
, "Characterization of Planar Semipolar Gallium Nitride Films on Spinel Substrates", Japanese Journal of Applied Physics, vol. 44, pp. L920, 2005.
, "Microstructural and Optical Evaluation of Nitride Light-Emitting Diodes and II–VI Distributed Bragg Reflectors Combined by Direct Wafer Bonding", Japanese Journal of Applied Physics, vol. 44, pp. L958, 2005.
, "Milliwatt Power Blue InGaN/GaN Light-Emitting Diodes on Semipolar GaN Templates", Japanese Journal of Applied Physics, vol. 44, pp. L945, 2005.
, "Milliwatt Power Deep Ultraviolet Light Emitting Diodes Grown on Silicon Carbide", Japanese Journal of Applied Physics, vol. 44, pp. L502, 2005.
, "Improved synthesis of (In,Ga)N/GaN multiple quantum wells by plasma-assisted molecular-beam epitaxy", Applied Physics Letters, vol. 83, pp. 90-92, 2003.
, "Polarity determination of a-plane GaN on r-plane sapphire and its effects on lateral overgrowth and heteroepitaxy", Journal of Applied Physics, vol. 94, pp. 942-947, 2003.
, "Tunable strontium titanate thin films for microwave devices", Integrated Ferroelectrics, vol. 39, pp. 291-298, 2001.