SINGLE-MODE DISTRIBUTED-FEEDBACK 761-NM GAAS-ALGAAS QUANTUM-WELL LASER

被引：22

作者：

MORRIS, NA ^{[1
]}

CONNOLLY, JC ^{[1
]}

MARTINELLI, RU ^{[1
]}

ABELES, JH ^{[1
]}

COOK, AL ^{[1
]}

机构：

[1] NASA,LANGLEY RES CTR,HAMPTON,VA 23681

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1995年 / 7卷 / 05期

关键词：

D O I：

10.1109/68.384508

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have developed single-mode distributed-feedback 761-nm GaAs-AlGaAs quantum well lasers as sources for O-2 sensing through laser absorption spectroscopy, Devices containing a 4-mu m-wide ridge waveguide exhibit low threshold currents of 25 mA and quantum efficiencies greater than 35% at output powers in excess of 25 mW. The spectral linewidths of these devices are 12.0 MHz at 15 mW. Temperature- and current-tuning rates are 0.06 nm/degrees C and 0.0075 nm/mA (-3.9 GHz/mA), respectively, The devices display smooth, continuous, single-mode wavelength tuning over a 4.2 nm interval.

引用

页码：455 / 457

页数：3

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