Preciado Miguel A, Muriel Miguel A
Opt Express. 2007 Sep 17;15(19):12102-7. doi: 10.1364/oe.15.012102.
The letter presents a technique for Nth-order differentiation of periodic pulse train, which can simultaneously multiply the input repetition rate. This approach uses a single linearly chirped apodized fiber Bragg grating, which grating profile is designed to map the spectral response of the Nth-order differentiator, and the chirp introduces a dispersion that, besides space-to-frequency mapping, it also causes a temporal Talbot effect.