High-contrast light-by-light switching and AND gate based on nonlinear photonic crystals | Zendy

Zhihong Zhu | Zendy; Weimin Ye | Zendy; Jiarong Ji | Zendy; Xiaodong Yuan | Zendy; Chun Zen | Zendy

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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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