S. Longhi et al., Multiplication and reshaping of high-repetition-rate optical pulse trains using highly dispersive fiber Bragg gratings, IEEE PHOTON, 12(11), 2000, pp. 1498-1500
A novel technique for simultaneous pulse reshaping and repetition-rate mult
iplication of mode-locked laser pulse trains using linearly chirped apodize
d fiber Bragg gratings is proposed. Simple analytical expressions for apodi
zation and phase profiles of the grating are derived. The practical feasibi
lity of this technique is discussed in detail for the case of high-repetiti
on-rate square pulse generation and multiplication.