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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 10 — May. 15, 2014
  • pp: 2998–3001

Locking laser frequency of up to 40  GHz offset to a reference with a 10  GHz electro-optic modulator

Wencui Peng, Lin Zhou, Shitong Long, Jin Wang, and Mingsheng Zhan  »View Author Affiliations


Optics Letters, Vol. 39, Issue 10, pp. 2998-3001 (2014)
http://dx.doi.org/10.1364/OL.39.002998


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Abstract

We demonstrate a method to lock a laser frequency of up to 40 GHz offset to a reference using a 10 GHz waveguide-type electro-optic modulator (EOM). Offsetting is provided by the EOM sidebands, and first- to fourth-order sidebands are generated by changing the power of the EOM’s driving radio frequency. By scanning the driving frequency across the 10 GHz bandwidth, the output laser frequency can be set at any point in an 80 GHz range (from 40 to 40 GHz) by locking a sideband to the reference. This method provides simple, stable, and low-cost generation of phase-coherent laser pairs separated by tens of GHz.

© 2014 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(230.2090) Optical devices : Electro-optical devices
(140.3425) Lasers and laser optics : Laser stabilization
(020.3320) Atomic and molecular physics : Laser cooling

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 27, 2014
Revised Manuscript: April 10, 2014
Manuscript Accepted: April 13, 2014
Published: May 14, 2014

Citation
Wencui Peng, Lin Zhou, Shitong Long, Jin Wang, and Mingsheng Zhan, "Locking laser frequency of up to 40  GHz offset to a reference with a 10  GHz electro-optic modulator," Opt. Lett. 39, 2998-3001 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-10-2998

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