Optical waveguide micro-ring resonant cavity-based all-optical logic gate and logic operation method thereof

Abstract

The invention provides an optical waveguide micro-ring resonant cavity-based all-optical logic gate, which comprises an optical waveguide (1), an optical waveguide micro-ring resonant cavity (2), a substrate (3), a buffer layer (4) as well as an incoming optical fiber (5) and an outgoing optical fiber (6), wherein the optical waveguide (1) is capable of inputting signal optical pulse and controlling optical pulse; the incoming optical fiber (5) and the outgoing optical fiber (6) are connected with the optical waveguide (1); and the optical waveguide micro-ring resonant cavity (2) is located in the middle position between an input end and an output end of the optical waveguide (1). The invention also discloses a method for realizing logic operation by utilizing the all-optical logic gate. The invention designs and provides an optical logic operation device, which is capable of executing optical logic operation, simple in structure, low in switch threshold value, low in power consumption, rapid in speed, wider in application range and capable of being realized on a semiconductor material substrate by using an integrated manufacturing process. Compared with the prior optical logic devices, the optical logic operation device of the invention is more convenient and practical and can be widely applied in all-optical computation, all-optical communication and integrated optical circuit systems.

Description

technical field [0001] The invention mainly relates to an optical logic gate operation device for realizing all-optical logic operations on light wave signals, which is applied in the fields of all-optical computing, all-optical communication, and integrated optical circuits, and especially relates to an all-optical logic gate operation device based on the nonlinear effect of a microring resonant cavity. A logic gate operation device and a logic operation method thereof. Background technique [0002] In high-speed optical communication networks, optical signal processing is an indispensable functional unit, and high-speed all-optical logic gates are the most basic functional components for optical signal processing, and are key core devices. Therefore, bandwidth requirements are becoming increasingly demanding today. How to realize higher-speed all-optical logic gates has become a hot spot in optical communication research. The all-optical logic gate uses photons in the wav...

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Problems solved by technology

It is still powerless for the high-speed communication that is wanted to be realized today

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