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Author:

王志鹏 (王志鹏.) | 张峰 (张峰.) | 杨嘉炜 (杨嘉炜.) | 李鹏涛 (李鹏涛.) | 关宝璐 (关宝璐.)

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CQVIP CSCD

Abstract:

液晶与垂直腔面发射半导体激光器(VCSELs)阵列结合可实现波长可调谐、偏振精确控制等,同时液晶的引入也会改变垂直腔面发射半导体激光器阵列的热特性,本文设计了表面液晶-垂直腔面发射激光器阵列结构,并开展了阵列的热特性实验研究.对比分析了向列相液晶层对VCSEL阵列热特性的影响,实验结果表明, 1×1, 2×2, 3×3三种表面液晶-VCSEL阵列的阈值电流温度变化率最高可降低23.6%,热阻降低26.75%;同时,激光器阵列各发光单元之间的温度均匀性显著提高,出光孔与周围温差小于0.5℃.综上所述,VCSEL阵列中液晶层的引入不仅大大加速激光器阵列单元热量扩散,而且降低了有源区结温,提高了VC...

Keyword:

液晶 垂直腔面发射激光器 阵列 热特性

Author Community:

  • [ 1 ] 北京工业大学信息学部光电子技术教育部重点实验室

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Source :

物理学报

Year: 2020

Issue: 06

Volume: 69

Page: 83-88

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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