期刊文献+

一种与光纤高效耦合的新型大光腔大功率半导体激光器 被引量:2

A novel high-power semiconductor laser diode with large cavity for high efficiency coupling with the optical fibers
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摘要 提出并实现了一种新型多有源区隧道级联大光腔半导体激光器,提高了激光器激射窗口的宽度,得到低于20°的垂直发散角,从而提高了光纤输出的耦合效率.对多种形式和规格的透镜光纤的测试结果表明,耦合效率可以提高30%以上. A novel high-power semiconductor laser diode (LD) with very large cavity using multi-active -layer cascaded by tunnel- junction was developed. The window size of the LD was enlarged extremely and less than 20 degree of the lasing beam divergency was obtained, which benefits the coupling between the LD and the optical fiber. Many types of lensed fibers were used to test with the LD and the coupling efficiencies were increased over 30 % compared with the conventional LD.
出处 《物理学报》 SCIE EI CAS CSCD 北大核心 2007年第7期3945-3949,共5页 Acta Physica Sinica
基金 国家973计划(批准号:G20000683-02) 北京市教委项目(批准号:2002kj018) 北工大博士启动基金(批准号:KZ0204200387) 北京市科委重点项目(批准号:D0404003040221)资助的课题.~~
关键词 半导体激光器 大光腔 光纤耦合 透镜光纤 semiconductors, large optical cavity, fiber coupling, lensed fiber
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参考文献11

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共引文献23

同被引文献21

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