Pulsed triple frequency modulation for frequency stabilization and control of two lasers to an optical cavity.

Autor: Williams WD; Physics Department, Smith College, Northampton, Massachusetts 01063, USA., Herd MT; Department of Biological and Physical Sciences, Assumption College, Worcester, Massachusetts 01609, USA., Cook EC; Physics Department, Smith College, Northampton, Massachusetts 01063, USA.
Jazyk: angličtina
Zdroj: The Review of scientific instruments [Rev Sci Instrum] 2020 Aug 01; Vol. 91 (8), pp. 085116.
DOI: 10.1063/5.0010085
Abstrakt: We present a method to stabilize two lasers to an optical cavity using pulsed triple frequency modulation. The setup allows simultaneous Pound-Drever-Hall stabilization, as well as independent frequency control, while removing interference terms that limit the frequency scan range and allowing for smaller modulation depths. A review of single, dual, and triple frequency modulation is also presented in addition to a discussion of how to effectively turn pulsed triple frequency modulation into independent dual frequency modulation for each laser. This method would increase the scan range to half the free spectral range.
Databáze: MEDLINE