具有高折射率对比度纳米多孔分布式布拉格反射器的光泵浦氮化镓垂直腔面发射激光器。
Optically pumped GaN vertical cavity surface emitting laser with high index-contrast nanoporous distributed Bragg reflector.
作者信息
Lee Seung-Min, Gong Su-Hyun, Kang Jin-Ho, Ebaid Mohamed, Ryu Sang-Wan, Cho Yong-Hoon
出版信息
Opt Express. 2015 May 4;23(9):11023-30. doi: 10.1364/OE.23.011023.
PMID:25969197
Abstract
Laser operation of a GaN vertical cavity surface emitting laser (VCSEL) is demonstrated under optical pumping with a nanoporous distributed Bragg reflector (DBR). High reflectivity, approaching 100%, is obtained due to the high index-contrast of the nanoporous DBR. The VCSEL system exhibits low threshold power density due to the formation of high Q-factor cavity, which shows the potential of nanoporous medium for optical devices.
摘要
在采用纳米多孔分布式布拉格反射器（DBR）进行光泵浦的条件下，实现了氮化镓垂直腔面发射激光器（VCSEL）的激光运转。由于纳米多孔DBR具有高折射率对比度，因此可获得接近100%的高反射率。由于形成了高品质因数腔，VCSEL系统表现出低阈值功率密度，这显示了纳米多孔介质在光电器件方面的潜力。
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