A4 Article in conference proceedings
1550 nm high-power tapered DBR-laser diodes

List of Authors: Aho Antti T, Viheriälä Jukka, Mäkelä Jaakko, Virtanen Heikki, Ranta Sanna, Dumitrescu Mihail, Guina Mircea
Publication year: 2016
ISBN: 978-1-4673-9735-3


This paper reports the DBR-RWC surface grating design, the fabrication process, and the output characteristics of tapered DBR laser diodes for applications such as LIDAR and range finding that require eye-safe high-power single-mode coherent light sources. The regrowth-free AlGaInAs/InP DBR lasers exhibited a CW output power as high as 560 mW in single-mode operation at room temperature. At maximum output power the SMSR was 38 dB. By changing the length of the tapered section from 0.5 mm to 4.0 mm, the maximum CW power could be scaled from 125 mW to 560 mW at room temperature.

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Last updated on 2019-21-08 at 21:40