C.-H. JiangJin-Wei ShiJ.-L. YenK.-M. ChenYING-JAY YANG2018-09-102018-09-102004-01http://scholars.lib.ntu.edu.tw/handle/123456789/310928Single-Mode Vertical-Cavity-Surface-Emitting-Laser (VCSEL) with Ring Shaped Light-Emitting Aperturejournal article