Dynamic cross-waveguide optical switching with a nonlinear photonic band-gap structure | Zendy

Stefan Scholz | Zendy; Ortwin Hess | Zendy; Roland Rühle | Zendy

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Dynamic cross-waveguide optical switching with a nonlinear photonic band-gap structure

Author(s) -

Stefan Scholz,

Ortwin Hess,

Roland Rühle

Publication year - 1998

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.3.000028

Subject(s) - optics , waveguide , photonics , optical switch , photonic crystal , pulse (music) , photonic integrated circuit , materials science , optoelectronics , physics , detector

We present a numerical study of a two dimensional all- optical switching device which consists of two crossed waveguides and a nonlinear photonic band{gap structure in the center. The switching mechanism is based on a dynamic shift of the photonic band edge by means of a strong pump pulse and is modeled on the basis of a two dimensional finite volume time domain method. With our arrangement we find a pronounced optical switching effect in which due to the cross-waveguide geometry the overlay of the probe beam by a pump pulse is significantly reduced.

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