– Y Park, KH Li, WY Fu, YF Cheung, and HW Choi Applied Optics, vol. 57, 10, pp. 2452-2458 (2018) We demonstrate the fabrication of…
– WS Cheung, YF Cheung, HT Chen, RSY Hui, E Waffenschmidt, and HW Choi Optics Express, vol. 23, 11, pp. 15021-15028 (2015) InGaN light-emitting diodes…
– KH Li, C Feng, and HW Choi Applied Physics Letters, vol. 104, 5, pp. 051107 (2014) A hexagonally close-packed microlens array has been integrated…
– YF Cheung, KH Li, RSY Hui, and HW Choi Applied Physics Letters, vol. 105, 7, pp. 071104 (2014) Photonic crystals, in the form of…
– KH Li, Q Zhang, and HW Choi Japanese Journal of Applied Physics, vol. 52, 8S, pp. 08JH08 (2013) The fabrication of hexagonally close-packed micro-lens…
– KH Li, KY Zang, SJ Chua, and HW Choi Applied Physics Letters, vol. 102, 18, pp. 181117 (2013) A photonic crystal has been embedded…
– KH Li, YF Cheung, Q Zhang, and HW Choi IEEE Photonics Technology Letters, vol. 25, 4, pp. 374-377 (2013) Vertical thin-film light-emitting diodes (LEDs)…
– Q Zhang, KH Li, and HW Choi IEEE Photonics Technology Letters, vol. 24, 18, pp. 1642-1645 (2012) The polarization behavior of light emission from…
– Q Zhang, KH Li, and HW Choi Applied Physics Letters, vol. 100, 6, pp. 061120 (2012) Close‐packed micro‐lenses with dimensions of the order of…
– KH Li, Z Ma, and HW Choi Applied Physics Letters, vol. 100, 14, pp. 141101 (2012) The fabrication of close-packed clover-shaped photonic crystal structure…