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High-contrast light-by-light switching and AND gate based on nonlinear photonic crystals
Author(s) -
Zhihong Zhu,
Weimin Ye,
Jiarong Ji,
Xiaodong Yuan,
Chun Zen
Publication year - 2006
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.14.001783
Subject(s) - photonic crystal , optics , optical switch , optoelectronics , waveguide , materials science , slow light , photonics , photonic integrated circuit , nonlinear optics , transmission (telecommunications) , physics , laser , telecommunications , computer science
We present a light-by-light photonic crystal configuration consisting of a bend waveguide with three embedded Kerr-type nonlinear rods and a T-branch waveguide. We show that such a configuration can also demonstrate all-optical AND gate operation with extremely high-contrast between the OFF state and ON state in its transmission. Because the presented photonic crystal configuration of all-optical light-by-light switching is simple, this facilitates fabricating practical all-optical devices and further large-scale optical integration.

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