High-Power 1.5-μm Broad Area Laser Diodes Wavelength Stabilized by Surface Gratings

被引：10

作者：

Aho, Antti T. ^{[1
]}

Viheriala, Jukka ^{[1
]}

Virtanen, Heikki ^{[1
]}

Uusitalo, Topi ^{[1
]}

Guina, Mircea ^{[1
]}

机构：

[1] Tampere Univ Technol, Optoelect Res Ctr, Tampere 33720, Finland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2018年 / 30卷 / 21期

基金：

欧盟地平线“2020”;

关键词：

Diode lasers; distributed Bragg reflector; high power; LIDAR;

D O I：

10.1109/LPT.2018.2870304

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：

Wavelength stabilization against temperature variation of high-power broad area 1.5-mu m InGaAsP/InP laser diodes is demonstrated by employing surface gratings. The development targets application in eye-safe automotive LIDAR systems, which would benefit from deploying narrowband receiver filters to block ambient solar radiation for improved signal-to-noise ratio. The surface grating is monolithically integrated on the laser chip using nanoimprint lithography. The peak power of the lasers exceeded 6 W in pulsed mode, for an FWHM spectral width of 0.3 nm and a peak wavelength drift of only 0.1 nm/degrees C. The wavelength shift with temperature is reduced by five times compared to broad area high-power Fabry-Perot laser diodes typically employed in LIDAR systems.

引用

页码：1870 / 1873

页数：4

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