High Finesse, Air-Gap Optical Reference Cavity for Low Noise Microwave Generation

We lock two, 1.2 THz-spaced lasers to a million-finesse air-gap optical cavity, demonstrating 40 dB common-mode phase noise rejection and a path towards compact, low noise, optically derived microwaves without ultrahigh vacuum.

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Bibliographic Details
Published in2023 Conference on Lasers and Electro-Optics (CLEO) pp. 1 - 2
Main Authors Liu, Yifan, Lee, Dahyeon, Jin, Naijun, McLemore, Charles A., Luo, Yizhi, Kelleher, Megan, Rakich, Peter, Diddams, Scott A., Quinlan, Franklyn
Format Conference Proceeding
LanguageEnglish
Published OSA 01.05.2023
Subjects
Air gaps
Laser noise
Lasers and electrooptics
Masers
Microwave generation
Optical noise
Phase noise
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Summary:We lock two, 1.2 THz-spaced lasers to a million-finesse air-gap optical cavity, demonstrating 40 dB common-mode phase noise rejection and a path towards compact, low noise, optically derived microwaves without ultrahigh vacuum.
DOI:10.1364/CLEO_AT.2023.SM2K.4