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集成宽带混沌半导体激光器

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集成混沌激光器是高速混沌保密通信和高速密钥产生与分发的关键器件,现有集成混沌激光器的混沌带宽无法满足高速应用需求.本文聚焦于集成宽带混沌半导体激光器的研制,基于团队前期研制的短腔分布反馈半导体激光器芯片,分析集成空间光反馈结构中实现强光反馈的条件,优化反馈腔长度,最终制备了光纤/空间双端出光的短腔分布反馈半导体激光器.将其与反射镜及调节装置实现集成化,研制出体积为16 cm×8 cm×7 cm的集成宽带混沌半导体激光器,混沌带宽超过30 GHz.
Integrated Broadband Chaotic Semiconductor Laser
Integrated chaotic lasers play a crucial role in high-speed chaotic secure communication,key generation,and distribution.However,the existing chaotic bandwidth of integrated chaotic lasers fails to meet the requirements of high-speed applications.Therefore,this study focuses on the development of integrated broadband chaotic semiconductor lasers.Based on a short-cavity distributed feedback semiconductor laser chip developed by the team in the early stage,the conditions for achieving strong light feedback in the integrated spatial light feedback structure are analyzed and the feedback cavity length is optimized.As a result,a short-cavity distributed feedback semiconductor laser with fiber/spatial dual output light is prepared.Subsequently,this laser is integrated with a reflector and adjustment device,resulting in the development of a compact 16 cm×8 cm×7 cm integrated broadband chaotic semiconductor laser with a chaotic bandwidth exceeding 30 GHz.

integrated laserchaotic laseroptical feedbackhigh-speed chaos communicationbroadband

刘雄、贾志伟、赵爱忠、王龙生、王安帮

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太原理工大学新型传感器与智能控制教育部/山西省重点实验室,山西 太原 030024

太原理工大学电子信息与光学工程学院,山西 太原 030024

广东工业大学信息工程学院,广东 广州 510006

集成激光器 混沌激光 光反馈 高速保密通信 宽带

国家自然科学基金项目国家自然科学基金项目山西省基础研究计划项目山西省基础研究计划项目山西省基础研究计划项目山西省基础研究计划项目山西省回国留学人员科研资助项目山西省"1331工程"重点创新团队项目

62035009621052332022030212210792021030212318320210302123185202103021245362021-032

2024

激光与光电子学进展
中国科学院上海光学精密机械研究所

激光与光电子学进展

CSTPCD北大核心
影响因子:1.153
ISSN:1006-4125
年,卷(期):2024.61(15)
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