Octave spanning operation of visible to SWIR integrated coil-stabilized Brillouin lasers

Meiting Song; Nitesh Chauhan; Mark W. Harrington; Nick Montifiore; Kaikai Liu; Andrew S. Hunter; Chris Caron; Andrei Isichenko; Robert J. Niffenegger; Daniel J. Blumenthal

doi:10.1038/s41377-025-02133-0

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Octave spanning operation of visible to SWIR integrated coil-stabilized Brillouin lasers

Original Articles

- Octave spanning operation of visible to SWIR integrated coil-stabilized Brillouin lasers
- Light: Science & Applications Vol. 15, Issue 1, Pages: 332-340(2026)
- Affiliations：
  
  1.Department of Electrical and Computer Engineering, University of California Santa Barbara, Santa Barbara, CA 93106, USA
  2.Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO 80305, USA
  3.Department of Physics, University of Colorado, Boulder, CO 80309, USA
  4.Department of Electrical and Computer Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA
- Author bio：
  
  Daniel J. Blumenthal (danb@ucsb.edu)
- Funds：
- DOI：10.1038/s41377-025-02133-0
  CLC：
- Received：28 June 2025，
  
  Revised：2025-11-07，
  
  Accepted：11 November 2025，
  
  Published Online：02 January 2026，
  
  Published：31 January 2026
- Accepted：
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Song, M. T. et al. Octave spanning operation of visible to SWIR integrated coil-stabilized Brillouin lasers. Light: Science & Applications, 15, 332-340 (2026).
DOI：

Song, M. T. et al. Octave spanning operation of visible to SWIR integrated coil-stabilized Brillouin lasers. Light: Science & Applications, 15, 332-340 (2026). DOI： 10.1038/s41377-025-02133-0.

摘要

Abstract

Narrow linewidth stabilized lasers are central to precision applications that operate across the visible to short-wave infrared wavelengths

including optical clocks

quantum sensing and computing

ultra-low noise microwave

generation

and fiber sensing. Today

these spectrally pure sources are realized using multiple external cavity tabletop lasers locked to bulk-optic free-space reference cavities. Integration of this technology will enable portable precision applications with improved reliability and robustness. Here

we report wavelength-flexible design and operation

over more than an octave span

of an integrated coil-resonator-stabilized Brillouin laser architecture. Leveraging a versatile two-stage noise reduction approach

we achieve low linewidths and high stability with chip-scale laser designs based on the ultra-low-loss

CMOS-compatible silicon nitride platform. We report operation at 674 and 698 nm for applications to strontium neutral and trapped-ion clocks

quantum sensing and computing

and at 1550 nm for applications to fiber sensing and ultra-low phase noise microwave generation. Over this range we demonstrate frequency noise reduction from 1 to 10 MHz resulting in 1.0–17 Hz fundamental and 181–630 Hz integral linewidths and an Allan deviation of 6.5 × 10

−13

at 1 ms for 674 nm

6.0 × 10

−13

at 15 ms for 698 nm

and 2.6 × 10

−13

at 15 ms for 1550 nm. This work demonstrates the lowest fundamental and integral linewidths and highest stability achieved to date for stabilized Brillouin lasers with integrated coil-resonator references

with over an order of magnitude improvement in the visible wavelength range. These results unlock the potential of integrated

ultra-low-phase-noise stabilized lasers for precision applications and further integration in systems-on-chip solutions.

关键词

Keywords

references

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