Feed-forward coherent dual-comb spectroscopy

Chen, Zaijun; Yan, Ming; Mélen, Gwenaëlle; Hänsch, Theodor W.; Picqué, N.

doi:10.1364/fts.2016.fth3b.6

Light, Energy and the Environment 2016

DOI: 10.1364/fts.2016.fth3b.6

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Feed-forward coherent dual-comb spectroscopy

Zaijun Chen

Ming Yan

Gwenaëlle Mélen

et al.

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2022

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Feed-forward stabilization of a single-frequency, diode-pumped Pr:YLF-Cr:LiCAF laser operating at 813.42 nm

Cheng¹,

Szutor²,

Reid³

2022

Opt. Express

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We introduce a simple and compact diode-pumped Pr:YLF-Cr:LiCAF laser, operating at 813.42 nm and providing a 130-mW, single-frequency output tunable over a 3-GHz range. The laser has a short-term intrinsic linewidth estimated to be 700 Hz (β-separation method), while exhibiting a free-running wavelength stability of below 1 pm in one hour. Using a feed-forward technique we demonstrate the integration of the laser output into a fully stabilized, 1-GHz Ti:sapphire laser frequency comb, resulting in a heterodyne beat note between the laser and the comb with a bandwidth of 65 kHz. Combining feed-forward control with a low-bandwidth servo feedback loop permits stable long-term locking with an rms beat note variation of 15 kHz over 2 minutes. This performance makes the laser a potential candidate for the lattice laser in a 87Sr optical lattice clock.

show abstract

Feed-forward stabilization of a single-frequency, diode-pumped Pr:YLF-Cr:LiCAF laser operating at 813.42 nm

Cheng¹,

Szutor²,

Reid³

2022

Opt. Express

View full text Add to dashboard Cite

show abstract

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Feed-forward coherent dual-comb spectroscopy

Cited by 1 publication

References 9 publications

Feed-forward stabilization of a single-frequency, diode-pumped Pr:YLF-Cr:LiCAF laser operating at 813.42 nm

Feed-forward stabilization of a single-frequency, diode-pumped Pr:YLF-Cr:LiCAF laser operating at 813.42 nm

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