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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 1202–1212

Hybrid Q-switched broadband laser source with low timing jitter

Farid El Bassri, Florent Doutre, Nicolas Mothe, Lionel Jaffres, Dominique Pagnoux, Vincent Couderc, and Alain Jalocha  »View Author Affiliations

Optics Express, Vol. 20, Issue 2, pp. 1202-1212 (2012)

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We present a novel broadband laser source based on a dual cavity in which a subnanosecond passively Q-switched microchip laser is coupled with a long cavity including an acousto-optic modulator (AOM) and a microstructured optical fiber working as a non linear medium. This active-passive Q-switched laser source emits pulses as short as those emitted by the free running microchip laser (~600 ps). The time pulse emission is governed by the AOM allowing tunable repetition rate from 0 to more than 4 kHz with a temporal jitter reduced to less than 50 ns, i.e. a 600-fold reduction compared to that of the free running microchip. Furthermore, thanks to spectral broadening in the microstructured fiber, this source emits a supercontinuum from 700 nm to 1700 nm.

© 2012 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 22, 2011
Revised Manuscript: November 18, 2011
Manuscript Accepted: November 21, 2011
Published: January 5, 2012

Farid El Bassri, Florent Doutre, Nicolas Mothe, Lionel Jaffres, Dominique Pagnoux, Vincent Couderc, and Alain Jalocha, "Hybrid Q-switched broadband laser source with low timing jitter," Opt. Express 20, 1202-1212 (2012)

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