Control of dual-wavelength laser using monolithically integrated phase-controlled optical feedback

Robert Pawlus; Robbe de Mey; Stefan Breuer; Martin Virte

doi:10.1117/12.2557305

1 April 2020 Control of dual-wavelength laser using monolithically integrated phase-controlled optical feedback

Robert Pawlus, Robbe de Mey, Stefan Breuer, Martin Virte

Proceedings Volume 11356, Semiconductor Lasers and Laser Dynamics IX; 1135606 (2020) https://doi.org/10.1117/12.2557305
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

In this conference proceeding, we present a novel technique to control the emission of dual-wavelength lasers. Using a well designed external cavity, we demonstrate that tuning the optical feedback phase allows to efficiently tailor the output power balance between the two wavelengths emitted by the laser. With this technique, a complete switch between one and the other mode can also be achieved and we report a suppression ratio up to 40 dB. Due to its simplicity, the structure can be monolithically integrated easily with the laser itself and offers a precise control of the dual-wavelength emission using a single control parameter.

Conference Presentation

Citation Download Citation

Robert Pawlus, Robbe de Mey, Stefan Breuer, and Martin Virte "Control of dual-wavelength laser using monolithically integrated phase-controlled optical feedback", Proc. SPIE 11356, Semiconductor Lasers and Laser Dynamics IX, 1135606 (1 April 2020); https://doi.org/10.1117/12.2557305

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