Abstract

Supercontinua generated by femtosecond pulses launched in microstructure fiber can exhibit significant low-frequency ($<1‐\mathrm{MHz}$) amplitude noise on the output pulse train. We show that this low-frequency noise is an amplified version of the amplitude noise that is already present on the input laser pulse train. Through both experimental measurements and numerical simulations, we quantify the noise amplification factor and its dependence on the supercontinuum wavelength and on the energy and duration of the input pulse. Interestingly, the dependence differs significantly from that of the broadband white-noise component, which arises from amplification of the input laser shot noise.

© 2003 Optical Society of America

Experimental studies of the coherence of microstructure-fiber supercontinuum

Xun Gu, Mark Kimmel, Aparna P. Shreenath, Rick Trebino, John M. Dudley, Stéphane Coen, and Robert S. Windeler
Opt. Express 11(21) 2697-2703 (2003)

Phase, timing, and amplitude noise on supercontinua generated in microstructure fiber

Brian R. Washburn and Nathan R. Newbury
Opt. Express 12(10) 2166-2175 (2004)

Noise amplification in all-normal dispersion fiber supercontinuum generation and its impact on ultrafast photonics applications

Benoît Sierro and Alexander M. Heidt
OSA Continuum 3(9) 2347-2361 (2020)

Generation of 3.8-fs pulses from adaptive compression of a cascaded hollow fiber supercontinuum

B. Schenkel, J. Biegert, U. Keller, C. Vozzi, M. Nisoli, G. Sansone, S. Stagira, S. De Silvestri, and O. Svelto
Opt. Lett. 28(20) 1987-1989 (2003)

Amplification and compression of ultrashort fundamental solitons in an erbium-doped nonlinear amplifying fiber loop mirror

Wen-hua Cao and P. K. A. Wai
Opt. Lett. 28(4) 284-286 (2003)