High Contrast All-Optical Cross-Switching of C-band Femtosecond Pulses in Highly Nonlinear Soft Glass Dual Core Optical Fibre

F Uherek,D Pysz,I Astrauskas,I Bugar,A Pugzlys,A Baltuska,R Buczynski,M Longobucco

doi:10.1109/icton51198.2020.9203375

High Contrast All-Optical Cross-Switching of C-band Femtosecond Pulses in Highly Nonlinear Soft Glass Dual Core Optical Fibre

F Uherek, D Pysz + Show 6 more

https://doi.org/10.1109/icton51198.2020.9203375

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Publication Date: Jul 1, 2020

Citations: 2

Affiliation: International Laser Center, Institute of Electronic Materials Technology, Łukasiewicz Research Network, TU Wien, University of Warsaw

#High Contrast #Soft Glass + Show 8 more

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Abstract

All-optical switching of 77 fs pulses centered at 1550 nm, driven by 270 fs, 1030 nm pulses in dual-core optical fibre exhibiting high index contrast is presented. The switching is achieved by nonlinear balancing of dual-core asymmetry. High switching contrast exceeding 20 dB is attained with driving pulses of only few nanojoule energy, which is due to the fibre core made of soft glass possessing high nonlinearity.

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