All-optical power limiting in waveguides with periodically distributed Kerr-like non-linearity |
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| Authors: | E.V. Becker E.A. Romanova L.A. Melnikov T.M. Benson P. Sewell |
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| Affiliation: | (1) Saratov State University, Astrakhanskaya 83, 410 026 Saratov, Russia, RU;(2) University of Nottingham, School of Electrical and Electronic Engineering, University Park, Nottingham NG7 2RD, UK, GB |
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| Abstract: | A slab waveguide with an embedded non-linear grating is considered as an all-optical power-limiting device. The limiting action is based on the power losses at boundaries between grating sections, where a mode-mismatch results from the self-focusing of the fundamental mode in each non-linear section. Time-harmonic and optical pulse propagation are both modelled numerically by finite-difference techniques to demonstrate the behaviour of the device. Received: 17 May 2001 / Revised version: 7 August 2001 / Published online: 23 October 2001 |
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| Keywords: | PACS: 07.05.Tp 42.60.Jf 42.65.-k |
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