Abstract

We present a new approach to mitigate nonlinear impairments—mainly induced by self-phase modulation (SPM)—of high-repetition-rate optical pulses propagating through fiber-optic devices (amplifiers, propagation lines, etc.). The proposed approach is based on pulse division before nonlinear propagation, followed by pulse recombination using fractional temporal self-imaging (also known as the Talbot effect) in a dispersive medium. This approach directly addresses practical limitations of previous mitigation methods when applied to a train of pulses with a high repetition rate, in the gigahertz range and above. Effective reduction of SPM by a factor of $\simeq 5$ is experimentally demonstrated on picosecond optical pulses at a repetition rate of 6 GHz. The proposed method can be scaled to achieve higher SPM-reduction factors using a compact and robust fiber-optics scheme.

© 2017 Optical Society of America

CW-to-pulse conversion using temporal Talbot array illuminators

Carlos R. Fernández-Pousa, Reza Maram, and José Azaña
Opt. Lett. 42(13) 2427-2430 (2017)

Nonlinear spectrum broadening cancellation by sinusoidal phase modulation

Frederic Audo, Sonia Boscolo, Julien Fatome, Bertrand Kibler, and Christophe Finot
Opt. Lett. 42(15) 2902-2905 (2017)

Nondiffracting self-imaging of ultrashort wavepackets

Martin Bock, Alexander Treffer, and Ruediger Grunwald
Opt. Lett. 42(12) 2374-2377 (2017)

Characterization of two ultrashort laser pulses using interferometric imaging of self-diffraction

Christoph Leithold, Jan Reislöhner, Holger Gies, and Adrian N. Pfeiffer
Opt. Lett. 42(24) 5246-5249 (2017)

Multi-gigahertz femtosecond pulses from linear and nonlinear propagation of a phase-modulated laser

Hanyu Ye, Lilia Pontagnier, Eric Cormier, and Giorgio Santarelli
Opt. Lett. 47(20) 5405-5408 (2022)