Zhang, W.
, Baynes, F.
, Diddams, S.
and Papp, S.
(2019),
A microrod optical-frequency reference in the ambient environment, Physical Review Letters
(Accessed May 21, 2025)
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A microrod optical-frequency reference in the ambient environment
Published
Author(s)
, , Scott Diddams,
Abstract
We present an ultrahigh-Q microrod resonator operated under ambient conditions that supports laser fractional frequency stabilization to the thermal-noise limit of 3 x 10−13 and a linewidth of 62 Hz. We characterize the technical-noise mechanisms for laser stabilization, which contribute significantly less than thermal noise. With all-fiber-integrated photonics, we generate optical and microwave reference signals provided by the microrod modes and the free- spectral range, respectively. Our results suggest the future physical considerations for a miniature, low noise, and robust optical-frequency source.Citation
Physical Review Letters
Pub Type
Journals
Keywords
Laser stabilization, Microresonator, Optical-frequency reference
Citation
Issues
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Created August 6, 2019, Updated April 27, 2023