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Off-resonance laser frequency stabilization using the Faraday effect

Marchant, Anna L.; Haendel, Sylvi; Wiles, Timothy P.; Hopkins, Stephen A.; Adams, Charles S.; Cornish, Simon L.

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Anna L. Marchant

Sylvi Haendel

Timothy P. Wiles

Stephen A. Hopkins


We present a simple technique for stabilization of a laser frequency off resonance using the Faraday effect in a heated vapor cell with an applied magnetic field. In particular, we demonstrate stabilization of a 780nm laser detuned up to 14GHz from the Rb 85 D 2 5 2 S 1/2 F=2 to 5 2 P 3/2 F ′ =3 transition. Control of the temperature of the vapor cell and the magnitude of the applied magnetic field allows locking ∼6–14GHz red and blue detuned from the atomic line. We obtain an rms fluctuation of 7MHz over 1h without stabilization of the cell temperature or magnetic field.


Marchant, A. L., Haendel, S., Wiles, T. P., Hopkins, S. A., Adams, C. S., & Cornish, S. L. (2011). Off-resonance laser frequency stabilization using the Faraday effect. Optics Letters, 36(1), 64-66.

Journal Article Type Article
Publication Date Jan 1, 2011
Deposit Date Jan 23, 2012
Publicly Available Date Apr 11, 2013
Journal Optics Letters
Print ISSN 0146-9592
Electronic ISSN 1539-4794
Publisher Optica
Peer Reviewed Peer Reviewed
Volume 36
Issue 1
Pages 64-66


Published Journal Article (377 Kb)

Copyright Statement
© 2011 The Optical Society. This paper was published in Optics letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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