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Carrier Non-pinning at Stripe Edges and Widened Far field in Broad-Area Lasers due to Longitudinal Temperature Variation

S.K. Khamari1, S. Arslan1, C. Zink1, S.J. Sweeney2,1 and P. Crump1

Published in:

Conf. on Lasers and Electro-Optics (CLEO 2023), Technical Digest Series (Optica Publishing Group, 2023), San Jose, USA, May 7-12, ISBN: 978-1-957171-25-8, paper SF1Q.3 (2023).


2D-in-plane spontaneous emission studies reveal lateral carrier-non-pinning linked to longitudinal temperature variation in 9xx-nm broad-area-lasers. Front-side non-pinning at the stripe edges broadens far-field, eliminated with short pulses (no heat) or high front-facet reflectivity (flat optical profile).

1 Ferdinand-Braun-Institut (FBH), Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany
2 James Watt School of Engineering, College of Science and Engineering, University of Glasgow, Glasgow, G12 8LT, UK

Related Topics:

Diode lasers, Hole burning, Lasers, Reflectivity, Spontaneous emission, Temperature

© 2023 The Author(s). © Optica Publishing Group 2023.
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