Double-chirped mirrors expand the bandwidth of infrared frequency combs

Jacob B. Khurgin

doi:10.1038/s41377-025-02078-4

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Double-chirped mirrors expand the bandwidth of infrared frequency combs

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- Double-chirped mirrors expand the bandwidth of infrared frequency combs
- Light: Science & Applications Vol. 14, Issue 12, Pages: 3795-3796(2025)
- Affiliations：
  
  Department of ECE, Johns Hopkins University, Baltimore, MD, USA
- Author bio：
  
  Jacob B. Khurgin (jakek@jhu.edu)
- Funds：
- DOI：10.1038/s41377-025-02078-4
  CLC：
- Published Online：13 November 2025，
  
  Published：31 December 2025
- Accepted：
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Khurgin, J.B. Double-chirped mirrors expand the bandwidth of infrared frequency combs. Light: Science & Applications, 14, 3795-3796 (2025).
DOI：

Khurgin, J.B. Double-chirped mirrors expand the bandwidth of infrared frequency combs. Light: Science & Applications, 14, 3795-3796 (2025). DOI： 10.1038/s41377-025-02078-4.

摘要

Abstract

A novel dispersion-compensation scheme based on double-chirped Bragg mirrors is implemented in a mid-infrared quantum cascade laser. As a result

stable and broadband frequency combs are generated

which are indispensable for high-precision applications in spectroscopy and metrology.

关键词

Keywords

references

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Khurgin, J. B. et al. Coherent frequency combs produced by self frequency modulation in quantum cascade lasers. Appl. Phys. Lett. 104 , 081118 (2014)..

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