title: Demonstration of an ultra-high frequency picosecond pulse generator using an SBS frequency comb and self phase-locking.
abstract: 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.
authors.affiliation: Department of Physics Engineering, École Polytechnique de Montréal, Montreal, Qc, Canada. sebastien.loranger@polymtl.ca
authors.forename: Sébastien
authors.initials: S
authors.lastname: Loranger
authors.forename: Victor Lambin
authors.initials: VL
authors.lastname: Iezzi
authors.forename: Raman
authors.initials: R
authors.lastname: Kashyap
mesh_terms: D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D012031:Refractometry / Q000295:instrumentation*; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*