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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 24 — Aug. 20, 2008
  • pp: 4336–4344

Laser offset-frequency locking up to 20 GHz using a low-frequency electrical filter technique

Stephane Schilt, Renaud Matthey, Daniela Kauffmann-Werner, Christoph Affolderbach, Gaetano Mileti, and Luc Thévenaz  »View Author Affiliations


Applied Optics, Vol. 47, Issue 24, pp. 4336-4344 (2008)
http://dx.doi.org/10.1364/AO.47.004336


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Abstract

A simple, easy-to-implement, and robust technique is reported to offset lock two semiconductor lasers with a frequency difference easily adjustable up to a couple of tens of gigahertz (10 and 19 GHz experimentally demonstrated). The proposed scheme essentially makes use of low-frequency control electronics and may be implemented with any type of single mode semiconductor laser, without any requirement for the laser linewidth. The technique is shown to be very similar to the wavelength modulation spectroscopy method commonly used for laser stabilization onto molecular absorption lines, as demonstrated by experimental results obtained using 935 nm laser diodes.

© 2008 Optical Society of America

OCIS Codes
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(140.5960) Lasers and laser optics : Semiconductor lasers
(300.6360) Spectroscopy : Spectroscopy, laser
(300.6380) Spectroscopy : Spectroscopy, modulation
(140.3425) Lasers and laser optics : Laser stabilization
(140.3518) Lasers and laser optics : Lasers, frequency modulated

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 22, 2008
Revised Manuscript: July 2, 2008
Manuscript Accepted: July 8, 2008
Published: August 15, 2008

Citation
Stephane Schilt, Renaud Matthey, Daniela Kauffmann-Werner, Christoph Affolderbach, Gaetano Mileti, and Luc Thévenaz, "Laser offset-frequency locking up to 20 GHz using a low-frequency electrical filter technique," Appl. Opt. 47, 4336-4344 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-24-4336

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