We locked a laser to a cavity using an all-digital Pound-Drever-Hall feedback system. By performing the demodulation and feedback controller digitally the low frequency noise performance was improved compared to a conventional analog system.
© 2009 The Optical Society
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3425) Lasers and laser optics : Laser stabilization
T. T. Lam, S. Chua, B. J. Slagmolen, J. H. Chow, I. C. Littler, D. E. McClelland, and D. A. Shaddock, "A Comparison between Digital and Analog Pound-Drever-Hall Laser Stabilization," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JThE89.
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