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Optics Letters

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  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3311–3313

Methods and evaluation of frequency aging in distributed-feedback laser diodes for rubidium atomic clocks

Renaud Matthey, Christoph Affolderbach, and Gaetano Mileti  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3311-3313 (2011)
http://dx.doi.org/10.1364/OL.36.003311


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Abstract

Distributed-feedback laser diodes emitting at 780 nm have been evaluated, with respect to the aging of the injection current required for reaching the rubidium D2 resonance line. Results obtained for lasers operating in air and in vacuum for 9 months are reported. When operated at constant temperature, the laser current required for emission at the wavelength of the desired atomic resonance is found to decrease by 50 to 80 μA per month. The impact of this result on the lifetime and long-term performances of laser-pumped rubidium atomic clocks is discussed.

© 2011 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(350.4800) Other areas of optics : Optical standards and testing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 3, 2011
Revised Manuscript: July 13, 2011
Manuscript Accepted: July 17, 2011
Published: August 18, 2011

Citation
Renaud Matthey, Christoph Affolderbach, and Gaetano Mileti, "Methods and evaluation of frequency aging in distributed-feedback laser diodes for rubidium atomic clocks," Opt. Lett. 36, 3311-3313 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3311

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