Bistability in a non linear grating: a FD-TD approach

Luca Saccomandi; Fabrizio Fogli; Paolo Bassi; Gaetano Bellanca; Stefano Trillo

doi:10.1117/12.524584

19 November 2003 Bistability in a non linear grating: a FD-TD approach

Luca Saccomandi, Fabrizio Fogli, Paolo Bassi, Gaetano Bellanca, Stefano Trillo

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524584
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

The transmission properties of a one-dimensional grating with a Kerr nonlinearity, at operating frequencies close to the upper edge of the stop-band, have been investigated using the Finite Difference Time Domain (FD-TD) technique. Results show that the structure exhibits a bistable behavior: transitions from strong reflection to nonlinearity-induced transparency and viceversa are found, leading to high-intensity field localization within the grating. In the limit of shallow gratings, FD-TD results are in good agreement with those based on coupled-mode theory (CMT).

Citation Download Citation

Luca Saccomandi, Fabrizio Fogli, Paolo Bassi, Gaetano Bellanca, and Stefano Trillo "Bistability in a non linear grating: a FD-TD approach", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524584

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