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

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 s...

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Veröffentlicht in:Review of scientific instruments 2020-08, Vol.91 (8), p.085116-085116
Hauptverfasser: Williams, W. D., Herd, M. T., Cook, E. C.
Format: Artikel
Sprache:eng
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Zusammenfassung: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.
ISSN:0034-6748
1089-7623
DOI:10.1063/5.0010085