The 10^(-15)-level frequency stabilization method for CW lasers and optical frequency combs based on self-homodyne detection with a vibration-insensitive optical fiber delay-line

Igju Jeon; Changmin Ahn; Jungwon Kim

doi:10.1117/12.3002480

13 March 2024 The 10^(-15)-level frequency stabilization method for CW lasers and optical frequency combs based on self-homodyne detection with a vibration-insensitive optical fiber delay-line

Igju Jeon, Changmin Ahn, Jungwon Kim

Author Affiliations +

Proceedings Volume PC12912, Quantum Sensing, Imaging, and Precision Metrology II; PC129121M (2024) https://doi.org/10.1117/12.3002480
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

There are rapidly growing demands for more compact and lower-noise optical sources that can operate in non-laboratory environment, including radars and field-deployed spectroscopy. Here we employed a self-homodyne Michelson interferometer, utilizing an optical fiber delay-line as a reference, to suppress the frequency noise of a continuous-wave laser and optical frequency comb. We achieved the frequency instability of 10^(-15)- and 10^(-14)-level for CW laser and optical frequency comb, at 9-ms and 0.1-s averaging time respectively. Additionally, we improved the vibration sensitivity by optimizing the design of an aluminum cylinder with a groove, resulting in a 10^(-10) [1/g] vibration sensitivity.

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Igju Jeon, Changmin Ahn, and Jungwon Kim "The 10^(-15)-level frequency stabilization method for CW lasers and optical frequency combs based on self-homodyne detection with a vibration-insensitive optical fiber delay-line", Proc. SPIE PC12912, Quantum Sensing, Imaging, and Precision Metrology II, PC129121M (13 March 2024); https://doi.org/10.1117/12.3002480

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KEYWORDS

Laser stabilization

Laser optics

Optical fibers

Continuous wave operation

Vibration

Fiber lasers

Frequency combs

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