Electro-optical logic application of multimode interference coupler by multivalued controlling

Abstract

Electro-optical hybrid logic is a potential solution to implement both electrical and optical signal processing, which receives analog or digital, electrical or optical signals and produces logic signals in a desired manner. In light of the transfer matrix theory, we found that one can steer light into different output ports of a multimode interference coupler by controlling the phases in a multivalued manner on the image-extended arms. This implementation acts as an analog-to-digital convertor from electric domain to optical domain. Also, an electrical-to-optical 2-to-$2^2$ binary-coded decoder is described and examined by the 3D beam propagation method.

© 2011 Optical Society of America

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