Christopher R. Phillips,1 Carolin P. Bauer,1 Justinas Pupeikis,1 Benjamin Willenberg,1 Sandro L. Camenzind,1 Ursula Kellerhttps://orcid.org/0000-0002-1689-80411
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We present a low-noise and high power per comb line dual-comb source based on a PPLN OPO and an Yb:YAG pump. Both the laser and OPO are spatially-multiplexed single-cavity dual-comb sources. The system operates at a repetition rate of 250 MHz, and the relatively long pump pulse duration of around 900 fs leads to a high power per comb line of >60 μW in the idler at 3500 nm. The idler is tunable from 2900 nm to 4170 nm. The system runs at over 15 kHz repetition rate difference, enabling comb-line-resolved dual-comb spectroscopy measurements in free-running operation.
Christopher R. Phillips,Carolin P. Bauer,Justinas Pupeikis,Benjamin Willenberg,Sandro L. Camenzind, andUrsula Keller
"Towards high sensitivity spectroscopy with single-cavity dual-comb lasers and OPOs", Proc. SPIE PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, PC1240502 (17 March 2023); https://doi.org/10.1117/12.2649750
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Christopher R. Phillips, Carolin P. Bauer, Justinas Pupeikis, Benjamin Willenberg, Sandro L. Camenzind, Ursula Keller, "Towards high sensitivity spectroscopy with single-cavity dual-comb lasers and OPOs," Proc. SPIE PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, PC1240502 (17 March 2023); https://doi.org/10.1117/12.2649750