An all-fiber optical laser pulse multi-pass stretcher using a chirped fiber Bragg grating (CFBG) is demonstrated. Pulses from a 1 053-nm mode-locked fiber seed oscillator are stretched by multiple passing through a chirped fiber grating set in a fiber regenerative amplifier structure. We stretch the pulse from 16 ps to 1.855 ns after it transmits seven loops in the stretcher. The main factors that affect the stretching results are discussed.
© 2013 Chinese Optics Letters
(230.2285) Optical devices : Fiber devices and optical amplifiers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.3510) Fiber optics and optical communications : Lasers, fiber
Fiber Optics and Optical Communications
Chengtao Zhang, Xiaochao Wang, Wei Fan, Daxing Rao, and Zunqi Lin, "1 053-nm all-fiber pulse multi-pass stretcher using a linear chirped fiber Bragg grating," Chin. Opt. Lett. 11, 070606- (2013)