Soliton compression to ultra-short pulses using cascaded quadratic nonlinearities in silica photonic crystal fibers

M. Bache; J. Lægsgaard; O. Bang; J. Moses; F. W. Wise

doi:10.1117/12.722950

4 May 2007 Soliton compression to ultra-short pulses using cascaded quadratic nonlinearities in silica photonic crystal fibers

M. Bache, J. Lægsgaard, O. Bang, J. Moses, F. W. Wise

Author Affiliations +

Proceedings Volume 6588, Photonic Crystal Fibers; 65880P (2007) https://doi.org/10.1117/12.722950
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

We investigate the possibility of using poled silica photonic crystal fibers for self-defocusing soliton compression with cascaded quadratic nonlinearities. Such a configuration has promise due to the desirable possibility of reducing the group-velocity mismatch. However, this unfortunately leads to increased phase mismatch, and the dispersion is often anomalous. All this reduces the design parameter space where soliton compression is possible, and poses strong requirements on the poling efficiency. We propose to use quasi-phase matching in order to reach realistic requirements on the quadratic nonlinearity, and show that compression of nJ pulses to few-cycle duration is possible in such a fiber. A small amount of group-velocity mismatch optimizes the compression.

Citation Download Citation

M. Bache, J. Lægsgaard, O. Bang, J. Moses, and F. W. Wise "Soliton compression to ultra-short pulses using cascaded quadratic nonlinearities in silica photonic crystal fibers", Proc. SPIE 6588, Photonic Crystal Fibers, 65880P (4 May 2007); https://doi.org/10.1117/12.722950

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