First SESAM-modelocked VECSEL without intracavity heatspreader at a center wavelength of around 2 µm

Jonas Heidrich; Marco Gaulke; B. Ozgur Alaydin; Matthias Golling; Ajanta Barh; Ursula Keller

doi:10.1117/12.2609622

1 April 2022 First SESAM-modelocked VECSEL without intracavity heatspreader at a center wavelength of around 2 µm

Jonas Heidrich, Marco Gaulke, B. Ozgur Alaydin, Matthias Golling, Ajanta Barh, Ursula Keller

Author Affiliations +

Proceedings Volume PC11984, Vertical External Cavity Surface Emitting Lasers (VECSELs) XI; PC1198406 (2022) https://doi.org/10.1117/12.2609622
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

We present our first flip-chip processed, modelocked InGaSb vertical external-cavity surface-emitting laser (VECSEL) in the 2-µm wavelength range. The optically pumped VECSEL is passively modelocked with a semiconductor saturable absorber mirror (SESAM) resulting in 2.7-ps pulses with 89-mW average output power at a center wavelength of 2063 nm and a pulse repetition rate of 1.96 GHz. The standing-wave V-shaped cavity is formed by a 1% output coupler, a VECSEL gain chip as a folding cavity mirror, and a SESAM as the end mirror. An intracavity 1.5-mm silicon plate at Brewster’s angle was used for dispersion compensation and a fixed polarization.

Conference Presentation

Citation Download Citation

Jonas Heidrich, Marco Gaulke, B. Ozgur Alaydin, Matthias Golling, Ajanta Barh, and Ursula Keller "First SESAM-modelocked VECSEL without intracavity heatspreader at a center wavelength of around 2 µm", Proc. SPIE PC11984, Vertical External Cavity Surface Emitting Lasers (VECSELs) XI, PC1198406 (1 April 2022); https://doi.org/10.1117/12.2609622

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