首页|Polarization full feedback external cavity of open loop spectral beam combining based on multi-single emitters laser diode

Polarization full feedback external cavity of open loop spectral beam combining based on multi-single emitters laser diode

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In this paper,a spectral beam combining[SBC]structure of multi-single emitters laser diode based on a polarization full feedback[PFF]external cavity is proposed and demonstrated.The maximum combining efficiency is 75.6％,which leads to an output power of 38.48 W,a degree of polarization[DOP]of 99.42％,and electro-optical conversion efficiency of 35.63％under continuous wave operation at a current of 8 A.Compared to the conventional SBC,the output power,the combining effi-ciency,the electro-optical conversion efficiency,and the DOP of the PFF-SBC structure present improvements of 5.73 W,11.26 percentage points,5.3 percentage points,and 7.26 percentage points,respectively.The results show that this SBC method can achieve a high efficiency and linearly polarized laser output of SBC,thereby making the subsequent polarization beam-combining efficiency approach the limit.

diode laserspectral beam combininghigh efficiencydegree of polarizationexternal cavity feedback

胡满、张伟桥、曹澎、李彤彤、周旭彦、郑婉华

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Laboratory of Solid-State Optoelectronics Information Technology,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

Weifang Academy of Advanced Opto-Electronic Circuits,Weifang 261071,China

State Key Laboratory on Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

College of Future Technology,University of Chinese Academy of Sciences,Beijing 101408,China

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Key Technology Research and Development Program of ShandongKey Technology Research and Development Program of ShandongKey-Area Research and Development Program of Guangdong Province

2022CXGC0201042023ZLYS032020B090922003

2024

10.3788/COL202422.051405

中国光学快报(英文版)
中国光学学会 中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD
影响因子：1.305
ISSN：1671-7694
年,卷(期)：2024.22(5)