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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1111–1113

Mode locking of an all-fiber laser by acousto-optic superlattice modulation

C. Cuadrado-Laborde, A. Diez, M. Delgado-Pinar, J. L. Cruz, and M. V. Andrés  »View Author Affiliations


Optics Letters, Vol. 34, Issue 7, pp. 1111-1113 (2009)
http://dx.doi.org/10.1364/OL.34.001111


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Abstract

Active mode locking of an erbium-doped all-fiber laser with a Bragg-grating-based acousto-optic modulator is demonstrated. The fiber Bragg grating was acoustically modulated by a standing longitudinal elastic wave, which periodically modulates the sidebands at twice the acoustic frequency. The laser has a Fabry–Perot configuration in which cavity loss modulation is achieved by tuning the output fiber Bragg grating to one of the acoustically induced sidebands. Optical pulses at 9 MHz repetition rate, 120 mW peak power, and 780 ps temporal width were obtained. The output results to be stable and has a timing jitter below 40 ps . The measured linewidth, 2.8 pm , demonstrates that these pulses are transform limited.

© 2009 Optical Society of America

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 5, 2009
Revised Manuscript: February 25, 2009
Manuscript Accepted: March 2, 2009
Published: March 31, 2009

Citation
C. Cuadrado-Laborde, A. Diez, M. Delgado-Pinar, J. L. Cruz, and M. V. Andrés, "Mode locking of an all-fiber laser by acousto-optic superlattice modulation," Opt. Lett. 34, 1111-1113 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-7-1111

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