CUED Publications database

High-power thulium lasers on a silicon photonics platform.

Li, N and Purnawirman, P and Su, Z and Salih Magden, E and Callahan, PT and Shtyrkova, K and Xin, M and Ruocco, A and Baiocco, C and Ippen, EP and Kärtner, FX and Bradley, JDB and Vermeulen, D and Watts, MR (2017) High-power thulium lasers on a silicon photonics platform. Opt Lett, 42. pp. 1181-1184.

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Abstract

Mid-infrared laser sources are of great interest for various applications, including light detection and ranging, spectroscopy, communication, trace-gas detection, and medical sensing. Silicon photonics is a promising platform that enables these applications to be integrated on a single chip with low cost and compact size. Silicon-based high-power lasers have been demonstrated at 1.55 μm wavelength, while in the 2 μm region, to the best of our knowledge, high-power, high-efficiency, and monolithic light sources have been minimally investigated. In this Letter, we report on high-power CMOS-compatible thulium-doped distributed feedback and distributed Bragg reflector lasers with single-mode output powers up to 267 and 387 mW, and slope efficiencies of 14% and 23%, respectively. More than 70 dB side-mode suppression ratio is achieved for both lasers. This work extends the applicability of silicon photonic microsystems in the 2 μm region.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 21 Feb 2019 01:23
Last Modified: 15 Apr 2021 05:28
DOI: 10.1364/OL.42.001181