Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Frequency Characterization of an External-Cavity Quantum Cascade Laser at 4.5 υm using a Frequency Comb

Published

Author(s)

Kevin O. Knabe, Paul A. Williams, Fabrizio R. Giorgetta, Chris Armacost, Michael Radunsky, Nathan R. Newbury

Abstract

We measure the frequency noise spectrum of a free-running external-cavity quantum cascade laser at 4.5 υm through sum frequency generation with a fiber frequency comb.
Proceedings Title
Proceedings of Laser Applications to Chemical, Security and Environmental Analysis
Conference Dates
January 29-February 1, 2012
Conference Location
San Diego, CA
Conference Title
Laser Applications to Chemical, Security and Environmental Analysis (LACSEA)

Keywords

quantum cascade laser, frequency comb, heterodyne, supercontinuum, frequency noise, sum frequency generation

Citation

Knabe, K. , Williams, P. , Giorgetta, F. , Armacost, C. , Radunsky, M. and Newbury, N. (2012), Frequency Characterization of an External-Cavity Quantum Cascade Laser at 4.5 υm using a Frequency Comb, Proceedings of Laser Applications to Chemical, Security and Environmental Analysis, San Diego, CA (Accessed April 18, 2024)
Created January 25, 2012, Updated February 19, 2017