title: Coupled-cavity concept applied to a highly compact single-frequency laser operating in the 2 μm spectral region.
abstract: We present a highly compact and cost-efficient Tm:YAP laser setup supporting single-frequency operation at a significantly high efficiency. The coupled-cavity concept was used to design a single-frequency laser operating at 1990 nm. Single-frequency output power of 784 mW was obtained when the absorbed pumping power was 2.4 W. The optical-to-optical efficiency was 33%, and the slope efficiency was 52%.
authors: School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China. suhuiyang@bit.edu.cn
authors: Jing
authors: J
authors: Li
authors: Su Hui
authors: SH
authors: Yang
authors: Chang Ming
authors: CM
authors: Zhao
authors: Hai Yang
authors: HY
authors: Zhang
authors: Wen
authors: W
authors: Xie
mesh_terms: D054023:Lasers, Semiconductor; D055096:Optical Devices; D055620:Optical Phenomena