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)
Pub Type: Conferences
quantum cascade laser, frequency comb, heterodyne, supercontinuum, frequency noise, sum frequency generation