Monitoring and active stabilization of laser injection locking using beam ellipticity

Monitoring and active stabilization of laser injection locking using beam ellipticity

We unveil a powerful method for the stabilization of laser injection locking based on sensing variations in the output beam ellipticity of an optically seeded laser. The effect arises due to an interference between the seeding beam and the injected laser output. We demonstrate the method for a comme...

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Veröffentlicht in:Optics letters 2023-08, Vol.48 (15), p.3973-3976
Hauptverfasser: Mishra, Umang, Li, Vyacheslav, Wald, Sebastian, Agafonova, Sofia, Diorico, Fritz, Hosten, Onur
Format: Artikel
Sprache:eng
Schlagworte:
Ellipticity
Frequency locking
Laser outputs
Laser stability
Semiconductor lasers
Stabilization
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container_end_page 3976
container_issue 15
container_start_page 3973
container_title Optics letters
container_volume 48
creator Mishra, Umang
Li, Vyacheslav
Wald, Sebastian
Agafonova, Sofia
Diorico, Fritz
Hosten, Onur
description We unveil a powerful method for the stabilization of laser injection locking based on sensing variations in the output beam ellipticity of an optically seeded laser. The effect arises due to an interference between the seeding beam and the injected laser output. We demonstrate the method for a commercial semiconductor laser without the need for any internal changes to the readily operational injection locked laser system that was used. The method can also be used to increase the mode-hop free tuning range of lasers, and has the potential to fill a void in the low-noise laser industry.
doi_str_mv 10.1364/OL.495553
format Article
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source Optica Publishing Group Journals
subjects Ellipticity
Frequency locking
Laser outputs
Laser stability
Semiconductor lasers
Stabilization
title Monitoring and active stabilization of laser injection locking using beam ellipticity
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