期刊
OPTICS LETTERS
卷 46, 期 21, 页码 5401-5404出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.440818
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资金
- Japan Society for the Promotion of Science [JP21H05014]
- Exploratory Research for Advanced Technology (ERATO), MINOSHIMA IntelligentOptical Synthesizer (IOS) Project [JPMJER1304]
This study proposes a mechanical sharing, dual-comb fiber laser with an all-polarization-maintaining cavity configuration and a nonlinear amplifying loop mirror mode-locking mechanism, which achieves highly correlated dual optical frequency combs with high relative stability. The laser setup simplifies dual-comb spectroscopy by suppressing common-mode noise through mechanical sharing of the laser cavity.
We present a mechanical sharing, dual-comb fiber laser based on an all-polarization-maintaining cavity configuration and a nonlinear amplifying loop mirror mode-locking mechanism. This simple setup yields dual-optical frequency combs with a high level of mutual coherence without active servo control. We realized a high relative stability with a standard deviation of 0.27 Hz and a relative beat note between the dual-frequency combs with a full-width at half-maximum of similar to 50 Hz. Dual-frequency combs were found to have high relative stability and mutual coherence owing to passive common-mode noise suppression using a mechanical sharing laser cavity. This laser configuration can significantly simplify dual-comb spectroscopy. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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