Compact plug and play optical frequency reference device based on Doppler-free spectroscopy of rubidium vapor

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Abstract:

Compactness, robustness and autonomy of optical frequency references are prerequisites for reliable operation in mobile systems, on ground as well as in space. We present a standalone plug and play optical frequency reference device based on frequency modulation spectroscopy of the D2-transition in rubidium at 780 nm. After a single button press the hand-sized laser module, based on the micro-integrated laser-optical bench described in [J. Opt. Soc. Am. B38, 1885 (2021)10.1364/JOSAB.420875], works fully autonomous and generates 6 mW of frequency stabilized light with a relative frequency instability of 1.4x10(-12) at 1 s and below 10(-11) at 10(5) s averaging time. We describe the design of the device, investigate the thermal characteristics affecting the output frequency and demonstrate short-term frequency stability improvement by a Bayesian optimizer varying the modulation parameters.

SEEK ID: https://ldh.drfz.imise.uni-leipzig.de/publications/174

DOI: 10.1364/OE.453942

Projects: RABBIT (Rheumatoid Arthritis - Observation of Biologic Therapies)

Publication type: Journal

Journal: Opt Express

Citation: Opt Express 30(7):12039-12047

Date Published: 2022

URL: https://www.ncbi.nlm.nih.gov/pubmed/35473133

Registered Mode: imported from a bibtex file

Authors: A. Strangfeld, B. Wiegand, J. Kluge, M. Schoch, M. Krutzik

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Adrian Richter

Citation

Strangfeld, A., Wiegand, B., Kluge, J., Schoch, M., & Krutzik, M. (2022). Compact plug and play optical frequency reference device based on Doppler-free spectroscopy of rubidium vapor. In Optics Express (Vol. 30, Issue 7, p. 12039). Optica Publishing Group. https://doi.org/10.1364/oe.453942

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Created: 15th Jul 2025 at 09:47

Compact plug and play optical frequency reference device based on Doppler-free spectroscopy of rubidium vapor

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