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9 March 2023 Spatially-multiplexed dual-comb lasers: from 80 MHz to 1 GHz
Justinas Pupeikis, Christopher Phillips, Benjamin Willenberg, Alexander Nussbaum-Lapping, Carolin P. Bauer, Sandro Camenzind, Ursula Keller
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Proceedings Volume PC12399, Solid State Lasers XXXII: Technology and Devices; PC1239903 (2023) https://doi.org/10.1117/12.2649919
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Single-cavity dual-comb lasers are emerging as new light sources benefiting many applications. Here we demonstrate two new operation regimes for these lasers: a 250-MHz repetition rate 1-ps pulse duration laser, and a 1-GHz 80-fs laser. Each source delivers more than 2 W of average power per comb. Compared to our earlier 80-MHz laser which was limited to 500 Hz, both new lasers can achieve up to 25 kHz repetition rate difference without aliasing. We study the suitability of these lasers for comb line resolved measurements and we show excellent coherence between the pulse trains which enables long-term coherent averaging by computational comb line tracking.
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Justinas Pupeikis, Christopher Phillips, Benjamin Willenberg, Alexander Nussbaum-Lapping, Carolin P. Bauer, Sandro Camenzind, and Ursula Keller "Spatially-multiplexed dual-comb lasers: from 80 MHz to 1 GHz", Proc. SPIE PC12399, Solid State Lasers XXXII: Technology and Devices, PC1239903 (9 March 2023); https://doi.org/10.1117/12.2649919
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KEYWORDS
Oscillators
Pulsed laser operation
Spectroscopy
Electronics
Laser stabilization
Multiplexing
Phase measurement
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