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Laser frequency offset locking using electromagnetically induced transparency

Bell, S. C.; Heywood, D. M.; White, J. D.; Close, J. D.; Scholten, R. E.

Description

The authors have used an electromagnetically induced transparency resonance in rubidium as a dispersive reference to lock the relative frequency of two lasers to the atomic ground-statehyperfine splitting. The beat frequency between the two lasers directly generates a microwave signal at 3.036GHz (⁸⁵Rb) or 6.835GHz (⁸⁷Rb). High bandwidth (600kHz) feedback was achieved with only low-frequency (10MHz)electronics using the frequency modulation sideband method. The spectral width of the microwave...[Show more]

CollectionsANU Research Publications
Date published: 2007-04-27
Type: Journal article
URI: http://hdl.handle.net/1885/16412
Source: Applied Physics Letters
DOI: 10.1063/1.2734471

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