– KH Li, and HW Choi Journal of Applied Physics, vol. 109, 2, pp. 023107 (2011) We report on the fabrication of ordered hexagonal arrays…
– L Zhu, XH Wang, PT Lai, and HW Choi IEEE Photonics Technology Letters, vol. 22, 7, pp. 513-515 (2010) We report on white light-emitting diodes…
– XH Wang, PT Lai, and HW Choi Journal of Applied Physics, vol. 108, 2, pp. 023110 (2010) The light extraction efficiencies of InGaN/GaN blue…
– ZL Li, KH Li, and HW Choi Journal of Applied Physics, vol. 108, 11, pp. 114511 (2010) While the enhancement of light extraction efficiency…
– XH Wang, WY Fu, PT Lai, and HW Choi Optics Express, vol. 17, 25, pp. 22311-22319 (2009) Blue GaN light emitting diodes (LEDs) in…
– ZL Li, PT Lai, and HW Choi Journal of Applied Physics, vol. 106, 9, pp. 094507 (2009) While longer wavelength emission from InGaN/GaN light-emitting…
– ZL Li, PT Lai, and HW Choi IEEE Photonics Technology Letters, vol. 21, 19, pp. 1429-1431 (2009) In this letter, the reliability of green…
Close-packed hemiellipsoid arrays: A photonic band gap structure patterned by nanosphere lithography
– WY Fu, KKY Wong, and HW Choi Applied Physics Letters, vol. 95, 13, pp. 133125 (2009) A self-assembled hexagonal close-packed hemiellipsoidal photonic crystal structure…
– WY Fu, KN Hui, XH Wang, KKY Wong, PT Lai, and HW Choi IEEE Photonics Technology Letters, vol. 21, 15, pp. 1078-1080 (2009) Geometrical…
– KN Hui, XH Wang, ZL Li, PT Lai, and HW Choi Optics Express, vol. 17, 12, pp. 9873-9878 (2009) A new design for a…