Publications
] , "Enhanced external quantum efficiency of III-nitride micro-light-emitting diodes using vertical and transparent package", Japanese Journal of Applied Physics, vol. 60, pp. 020905, jan, 2021.
, "Enhanced external quantum efficiency of III-nitride micro-light-emitting diodes using vertical and transparent package", Japanese Journal of Applied Physics, vol. 60, pp. 020905, jan, 2021.
, "High conductivity n-Al0.6Ga0.4N by ammonia-assisted molecular beam epitaxy for buried tunnel junctions in UV emitters", Opt. Express, vol. 29, pp. 40781–40794, Dec, 2021.
, "High efficiency of III-nitride and AlGaInP micro-light-emitting diodes using atomic layer deposition", Light-Emitting Devices, Materials, and Applications XXV: International Society for Optics and Photonics, 2021.
, "Materials progress for the development of beta-Ga2O3 for power electronics", Oxide-based Materials and Devices XII: International Society for Optics and Photonics, 2021.
, "New fabrication method of InGaN laser diode by epitaxial lateral overgrowth and cleavable technique from free-standing non- and semi-polar GaN substrate", Gallium Nitride Materials and Devices XVI: International Society for Optics and Photonics, 2021.
, "Role of V-defect density on the performance of III-nitride green LEDs on sapphire substrates", Journal of Crystal Growth, vol. 560-561, pp. 126048, 2021.
, "Study of surface roughness of lifted-off epitaxial lateral overgrown GaN layers for the n-DBR mirror of a III-nitride vertical-cavity surface emitting laser", Applied Physics Express, vol. 14, pp. 031002, feb, 2021.
, "Vertical β-Ga2O3 Schottky diodes from metal-organic chemical vapor deposition with low on-resistance and high average breakdown field", Oxide-based Materials and Devices XII: International Society for Optics and Photonics, 2021.
, "560 nm InGaN micro-LEDs on low-defect-density and scalable (202̅1) semipolar GaN on patterned sapphire substrates", Opt. Express, vol. 28, pp. 18150–18159, Jun, 2020.
, "An approach to remove homoepitaxially grown GaN layers by cleavage from the substrate surface", Applied Physics Express, vol. 13, pp. 041003, mar, 2020.
, "Dependence of carrier escape lifetimes on quantum barrier thickness in InGaN/GaN multiple quantum well photodetectors", Opt. Express, vol. 28, pp. 23796–23805, Aug, 2020.
, "Electrically driven, polarized, phosphor-free white semipolar (20-21) InGaN light-emitting diodes grown on semipolar bulk GaN substrate", Opt. Express, vol. 28, pp. 13569–13575, Apr, 2020.
, "High nitrogen flux plasma-assisted molecular beam epitaxy growth of InxGa1-xN films", Journal of Crystal Growth, vol. 546, pp. 125738, 2020.
, "Highly efficient InGaN-based LED with pre-roughening backside of GaN substrate", J. Opt. Soc. Am. B, vol. 37, pp. 1614–1619, Jun, 2020.
, "Improved performance of AlGaInP red micro-light-emitting diodes with sidewall treatments", Opt. Express, vol. 28, pp. 5787–5793, Feb, 2020.
, "Optimization of barrier height in InGaN quantum wells for rapid interwell carrier transport and low nonradiative recombination", Applied Physics Express, vol. 13, pp. 122005, nov, 2020.
, "Polarized monolithic white semipolar (202̅1) InGaN light-emitting diodes grown on high quality (202̅1) GaN/sapphire templates and its application to visible light communication", Nano Energy, vol. 67, pp. 104236, 2020.
, "Quantitative investigation of indium distribution in InN wetting layers and dots grown by metalorganic chemical vapor deposition", Applied Physics Express, vol. 13, pp. 065005, may, 2020.
, "Size-independent low voltage of InGaN micro-light-emitting diodes with epitaxial tunnel junctions using selective area growth by metalorganic chemical vapor deposition", Opt. Express, vol. 28, pp. 18707–18712, Jun, 2020.
, "Superlattice hole injection layers for UV LEDs grown on SiC", Opt. Mater. Express, vol. 10, pp. 2171–2180, Sep, 2020.
, "β-Ga2O3 lateral transistors with high aspect ratio fin-shape channels", Japanese Journal of Applied Physics, vol. 60, pp. 014001, dec, 2020.
, "Efficient tunnel junction contacts for high-power semipolar III-nitride edge-emitting laser diodes", Opt. Express, vol. 27, pp. 8327–8334, Mar, 2019.
, "High germanium doping of GaN films by ammonia molecular beam epitaxy", Journal of Crystal Growth, vol. 508, pp. 19 - 23, 2019.
, "Impact of Barrier Height on the Interwell Carrier Transport in InGaN/(In)GaN Multiple Quantum Wells", Laser Congress 2019 (ASSL, LAC, LS&C): Optical Society of America, 2019.