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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 17 — Aug. 13, 2012
  • pp: 19455–19462

Demonstration of an ultra-high frequency picosecond pulse generator using an SBS frequency comb and self phase-locking

Sébastien Loranger, Victor Lambin Iezzi, and Raman Kashyap  »View Author Affiliations

Optics Express, Vol. 20, Issue 17, pp. 19455-19462 (2012)

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We propose a method to generate phase-locked pulses in the picosecond regime by using Stimulated Brillouin Scattering (SBS). The phase-locked comb is generated using only long length of fiber and a single frequency CW pump laser. We show that there is a phase relationship between multiple Stokes peaks in a cavity, which directly leads to pulsing without the need to add a mode-locking component. This generates highly coherent pulses in the order of ~10 ps. The repetition frequency, which is very stable is in the order of tens of GHz, is based on the SBS frequency shift and has a linear dependence with temperature (1 MHz/°C). Such a laser could therefore be used in high-speed optical clocks and optical communication system. This system allows the pulses to be generated at any wavelength by simply changing the pump wavelength.

© 2012 OSA

OCIS Codes
(290.5900) Scattering : Scattering, stimulated Brillouin
(320.5390) Ultrafast optics : Picosecond phenomena
(140.3538) Lasers and laser optics : Lasers, pulsed
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Ultrafast Optics

Original Manuscript: July 10, 2012
Revised Manuscript: August 2, 2012
Manuscript Accepted: August 3, 2012
Published: August 9, 2012

Sébastien Loranger, Victor Lambin Iezzi, and Raman Kashyap, "Demonstration of an ultra-high frequency picosecond pulse generator using an SBS frequency comb and self phase-locking," Opt. Express 20, 19455-19462 (2012)

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