Abstract
A parity-time-structured Bragg reflection waveguide is proposed and analyzed for realizing a high-power laser. A single transverse mode with the optical field confined mainly in the low-index core is discussed to improve the catastrophic optical damage threshold for high output power. The designed scheme can potentially mitigate the heat buildup by moving the injection from the central narrow core to the outer large-area claddings, while suppressing the coupler mode transversely. The structure can achieve high output power with a short cavity length, low lasing threshold, and high power conversion efficiency.
© 2019 Optical Society of America
Full Article | PDF ArticleMore Like This
Yu Li, Yanping Xi, Xun Li, and Wei-Ping Huang
Opt. Express 17(13) 11179-11186 (2009)
Lijie Wang, Zhen Li, Cunzhu Tong, Shili Shu, Sicong Tian, Jun Zhang, Xin Zhang, and Lijun Wang
Appl. Opt. 57(34) F15-F21 (2018)
Jiahua Fan, Lin Zhu, Mehmet Dogan, and Jonah Jacob
Opt. Express 22(15) 17666-17672 (2014)