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This paper was originally published in the proceedings of the 20th Australian Conference on Optical Fibre Technology (ACOFT '95). To download this paper, just click here.

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Multi-Port Switching in Waveguide Arrays

O. Bang and P. D. Miller
Australian Photonics Cooperative Research Centre
Optical Sciences Centre
Research School of Physical Sciences and Engineering
The Australian National University, Canberra ACT 0200 Australia


A fundamentally new approach to multi-port switching in arrays of nonlinear waveguides is proposed. The idea is that a high intensity beam will be trapped in a single waveguide of the array due to the transverse periodicity of the Kerr coefficient. A perturbation can displace the beam, but only an integer number of waveguides allowing unambiguous selection of the output channel.