High-peak-power optically-pumped AlGaInAs eye-safe laser with a silicon wafer as an output coupler: Comparison between the stack cavity and the separate cavity

C. P. Wen, P. H. Tuan, H. C. Liang, Chia-Han Tsou, Kuan-Wei Su, Kai-Feng Huang, Yung-Fu Chen

研究成果: Article同行評審

4 引文 斯高帕斯(Scopus)

摘要

An intrinsic silicon wafer is exploited as an output coupler to develop a high-peak-power optically-pumped AlGaInAs laser at 1.52 μm. The gain chip is sandwiched with the diamond heat spreader and the silicon wafer to a stack cavity. It is experimentally confirmed that not only the output stability but also the conversion efficiency are considerably enhanced in comparison with the separate cavity in which the silicon wafer is separated from other components. The average output power obtained with the stack cavity was 2.02 W under 11.5 W average pump power, corresponding to an overall optical-to-optical efficiency of 17.5%; the slope efficiency was 18.6%. The laser operated at 100 kHz repetition rate and the pulse peak power was 0.4 kW.

原文English
頁(從 - 到)30749-30754
頁數6
期刊Optics Express
23
發行號24
DOIs
出版狀態Published - 30 十一月 2015

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