Chasing the thermodynamical noise limit in whispering-gallery-mode resonators for ultrastable laser frequency stabilization
10.1038/s41467-017-00021-9
Crossref journal-article
Springer Science and Business Media LLC
Nature Communications (297)
Abstract

AbstractUltrastable high-spectral-purity lasers have served as the cornerstone behind optical atomic clocks, quantum measurements, precision optical microwave generation, high-resolution optical spectroscopy, and sensing. Hertz-level lasers stabilized to high-finesse Fabry-Pérot cavities are typically used for these studies, which are large and fragile and remain laboratory instruments. There is a clear demand for rugged miniaturized lasers with stabilities comparable to those of bulk lasers. Over the past decade, ultrahigh-Q optical whispering-gallery-mode resonators have served as a platform for low-noise microlasers but have not yet reached the stabilities defined by their fundamental noise. Here, we show the noise characteristics of whispering-gallery-mode resonators and demonstrate a resonator-stabilized laser at this limit by compensating the intrinsic thermal expansion, allowing a sub-25 Hz linewidth and a 32 Hz Allan deviation. We also reveal the environmental sensitivities of the resonator at the thermodynamical noise limit and long-term frequency drifts governed by random-walk-noise statistics.

Bibliography

Lim, J., Savchenkov, A. A., Dale, E., Liang, W., Eliyahu, D., Ilchenko, V., Matsko, A. B., Maleki, L., & Wong, C. W. (2017). Chasing the thermodynamical noise limit in whispering-gallery-mode resonators for ultrastable laser frequency stabilization. Nature Communications, 8(1).

Authors 9
  1. Jinkang Lim (first)
  2. Anatoliy A. Savchenkov (additional)
  3. Elijah Dale (additional)
  4. Wei Liang (additional)
  5. Danny Eliyahu (additional)
  6. Vladimir Ilchenko (additional)
  7. Andrey B. Matsko (additional)
  8. Lute Maleki (additional)
  9. Chee Wei Wong (additional)
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Dates
Type When
Created 8 years, 5 months ago (March 24, 2017, 6:07 a.m.)
Deposited 2 years, 8 months ago (Dec. 22, 2022, 2:14 p.m.)
Indexed 2 weeks, 6 days ago (Aug. 5, 2025, 9:05 a.m.)
Issued 8 years, 4 months ago (March 31, 2017)
Published 8 years, 4 months ago (March 31, 2017)
Published Online 8 years, 4 months ago (March 31, 2017)
Funders 0

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@article{Lim_2017, title={Chasing the thermodynamical noise limit in whispering-gallery-mode resonators for ultrastable laser frequency stabilization}, volume={8}, ISSN={2041-1723}, url={http://dx.doi.org/10.1038/s41467-017-00021-9}, DOI={10.1038/s41467-017-00021-9}, number={1}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Lim, Jinkang and Savchenkov, Anatoliy A. and Dale, Elijah and Liang, Wei and Eliyahu, Danny and Ilchenko, Vladimir and Matsko, Andrey B. and Maleki, Lute and Wong, Chee Wei}, year={2017}, month=mar }