Long, D.
, Reschovsky, B.
, Zhou, F.
, Bao, Y.
, LeBrun, T.
and Gorman, J.
(2021),
Electro-optic frequency combs for rapid interrogation in cavity optomechanics, Optics Letters, [online], https://doi.org/10.1364/OL.405299
(Accessed October 14, 2024)
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Electro-optic frequency combs for rapid interrogation in cavity optomechanics
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Abstract
Electro-optic frequency combs were employed to rapidly interrogate an optomechanical sensor, demonstrating spectral resolution substantially exceeding that possible with a mode-locked frequency comb. Frequency combs were generated using an integrated-circuit-based direct digital synthesizer and utilized in a self-heterodyne configuration. Unlike approaches based upon laser locking, the present approach allows rapid, parallel measurements of full optical cavity modes, large dynamic range of sensor displacement, and acquisition across a wide frequency range between DC and 500 kHz. In addition to being well suited to measurements of acceleration, this optical frequency comb-based approach can be utilized for interrogation in a wide range of cavity optomechanical sensors.Citation
Optics Letters
Volume
46
Issue
3
Pub Type
Journals
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Keywords
Frequency combs, electro-optics, instrumentation, sensors, optical cavity, accelerometry
Citation
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Created January 28, 2021, Updated March 1, 2021