Correlated self-heterodyne method for ultra-low-noise laser linewidth measurements-Reference-Cited by-同舟云学术

Correlated self-heterodyne method for ultra-low-noise laser linewidth measurements

Published:2022-06-27 Issue:14 Volume:30 Page:25147
ISSN:1094-4087
Container-title:Optics Express
language:en
Short-container-title:Opt. Express

Author:

Yuan Zhiquan¹,Wang Heming¹^ORCID,Liu Peng¹²,Li Bohan¹,Shen Boqiang¹^ORCID,Gao Maodong¹,Chang Lin³,Jin Warren³^ORCID,Feshali Avi⁴,Paniccia Mario⁴,Bowers John³^ORCID,Vahala Kerry¹^ORCID

Affiliation:

1. California Institute of Technology

2. Peking University

3. University of California Santa Barbara

4. Anello Photonics

Abstract

Narrow-linewidth lasers are important to many applications spanning precision metrology to sensing systems. Characterization of these lasers requires precise measurements of their frequency noise spectra. Here we demonstrate a correlated self-heterodyne (COSH) method capable of measuring frequency noise as low as 0.01 Hz2/Hz at 1 MHz offset frequency. The measurement setup is characterized by both commercial and lab-built lasers, and features low optical power requirements, fast acquisition time and high intensity noise rejection.

Funder

Defense Advanced Research Projects Agency

Air Force Office of Scientific Research

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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