聚焦离子束光刻制备两段和三段横向耦合DBR激光器

L. Bach, A. Wolf, J. Reithmaier, A. Forchel, J. Gentner, L. Goldstein
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引用次数: 0

摘要

利用聚焦离子束光刻技术,实现了适用于高速光通信的高性能1.55 /spl μ m发射分布式布拉格反射激光器。对于600 /spl mu/m长的器件,实现了8 mA的阈值电流和0.37 W/A的连续波效率。在整个工作范围内,观察到稳定的单模发射,侧模抑制比> 40 dB。采用三段式dbr激光器,可以将激光器输出功率提高到68 mW。此外,我们还实现了更高的单模良率,侧模抑制比超过60 dB,热稳定性更高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Two- and three-sectional laterally coupled DBR laser fabricated by focused ion beam lithography
By using focused ion beam lithography, high performance 1.55 /spl mu/m emitting distributed Bragg reflector lasers were realized suitable for high speed optical telecommunication. Threshold currents of 8 mA and continuous wave efficiencies of 0.37 W/A for 600 /spl mu/m long devices were achieved. Stable single mode emission with side mode suppression ratios of > 40 dB were observed for the entire operation range. By using 3-sectional DBR-lasers, we could increase the output power of the lasers up to 68 mW. Also we achieved a higher single mode yield with side mode suppression ratios of more than 60 dB and a higher thermal stability.
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