SESAM-mode-locked gigahertz solid-state dual-comb oscillator with flexible repetition rate difference

Benjamin Willenberg; Justinas Pupeikis; Christopher R. Phillips; Ursula Keller

doi:10.1117/12.2609824

4 March 2022 SESAM-mode-locked gigahertz solid-state dual-comb oscillator with flexible repetition rate difference

Benjamin Willenberg, Justinas Pupeikis, Christopher R. Phillips, Ursula Keller

Proceedings Volume PC11980, Solid State Lasers XXXI: Technology and Devices; PC1198008 (2022) https://doi.org/10.1117/12.2609824
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

We present a gigahertz dual-comb source generated in a single laser cavity. The novel multiplexing method we use supports two spatially distinct modes with the same polarization, enabling optimal laser performance in a low-loss cavity configuration. The two independent pulse trains from the SESAM-modelocked Yb:CALGO laser operate simultaneously around 1057 nm with a repetition rate of 1.06 GHz. Comb-1 has 65-mW average power with 87.4-fs pulses, and comb-2 has 81-mW average power with 85.8-fs pulses. The repetition rate difference is set to 30.67 kHz and is tunable from -75 kHz to +75 kHz. Each comb exhibits robust self-starting operation.

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Citation Download Citation

Benjamin Willenberg, Justinas Pupeikis, Christopher R. Phillips, and Ursula Keller "SESAM-mode-locked gigahertz solid-state dual-comb oscillator with flexible repetition rate difference", Proc. SPIE PC11980, Solid State Lasers XXXI: Technology and Devices, PC1198008 (4 March 2022); https://doi.org/10.1117/12.2609824

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KEYWORDS

Oscillators

Solid state electronics

Solid state lasers

Laser applications

Mode locking

Multiplexing

Optical components

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