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Proceedings Paper

All-optical diode action with Thue-Morse quasiperiodic photonic crystals
Author(s): Fabio Biancalana
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Paper Abstract

We theoretically investigate the possibility of realizing a nonlinear all-optical diode by using the unique field-localization properties (known as Anderson-Kohmoto localization) of Thue-Morse quasiperiodic 1D photonic crystals. The interplay between the intrinsic spatial asymmetry in odd-order Thue-Morse lattices and Kerr nonlinearity gives rise to sharp resonances of perfect transmission that can be used to give a polarization-insensitive, nonreciprocal propagation with a contrast close to unity for low optical intensities. Such nonlinear diode would also represent the first all-optical device which is crucially based on Anderson-like localization.

Paper Details

Date Published: 21 April 2008
PDF: 9 pages
Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 69891F (21 April 2008); doi: 10.1117/12.767231
Show Author Affiliations
Fabio Biancalana, Cardiff Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 6989:
Photonic Crystal Materials and Devices VIII
Richard M. De La Rue; Ceferino López; Michele Midrio; Pierre Viktorovitch, Editor(s)

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