University of Oulu

Hallman, L.W., Ryvkin, B.S., Avrutin, E.A. and Kostamovaara, J.T. (2021), >25 W pulses from 1.5 μm double-asymmetric waveguide, 100 μm stripe laser diode with bulk active layer. Electron. Lett., 57: 891-893.

>25 W pulses from 1.5 µm double-asymmetric waveguide, 100 µm stripe laser diode with bulk active layer

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Author: Hallman, L. W.1; Ryvkin, B. S.1,2; Avrutin, E. A.3;
Organizations: 1Department of Electrical and Information Engineering, University of Oulu, Oulu, Finland
2A. F. Ioffe Physico-Technical Institute, St. Petersburg, Russia
3Department of Electronic Engineering, University of York, York, UK
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 1.6 MB)
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Language: English
Published: Institution of Engineering and Technology, 2021
Publish Date: 2022-01-31


The experimental characterization of a high-power pulsed semiconductor laser operating in the eye-safe spectral range (wavelength around 1.5 𝜇m), with an asymmetric waveguide structure, a 100 𝜇m wide stripe, and a bulk active layer positioned very close to the p-cladding, is reported. An anti-reflection/high reflection coated laser with a stripe width of 100 𝜇m exhibits a single-facet output power over 25 W at a pumping current amplitude of 100 A.

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Series: Electronics letters
ISSN: 0013-5194
ISSN-E: 1350-911X
ISSN-L: 0013-5194
Volume: 57
Issue: 23
Pages: 891 - 893
DOI: 10.1049/ell2.12298
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: We gratefully acknowledge the funding from Business Finland (4294/31/2018) and the Academy of Finland (grant no. 339997).
Academy of Finland Grant Number: 339997
Detailed Information: 339997 (Academy of Finland Funding decision)
Copyright information: © 2021 The Authors. Electronics Letters published by John Wiley & Sons Ltd on behalf of The Institution of Engineering and Technology. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.