Optical logic gate based on double parallel microring resonators

A double micro-ring resonator and micro-ring resonator technology, applied in the field of optical logic gates, can solve the problems of speed bottleneck, low cost, small size, etc., and achieve the effects of low power consumption, good application prospects, and good scalability

Inactive Publication Date: 2012-10-24
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

[0008] In view of this, the main purpose of the present invention is to provide a kind of optical logic gate based on parallel double microring resonators, to solve the speed bottleneck, power consumption, gate delay and the delay caused by the gate delay in the traditional electrical logic gate The problem of competition and risk-taking, to achieve the purpose of improving the speed of information processing in optical information processing and optical computing, and to maintain the small size, low power consumption and low cost of the device

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  • Optical logic gate based on double parallel microring resonators
  • Optical logic gate based on double parallel microring resonators
  • Optical logic gate based on double parallel microring resonators

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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0031]The basic structure of the invention is a microring resonator, which is made by silicon-based integrated nanowire waveguide. The optical logic gate is composed of two straight waveguides parallel to each other and two microrings, it has two electrical pulse inputs to be calculated and a continuous optical input at the working wavelength, and the output carries the calculation results of the two electrical pulses light pulse. The output optical pulse can be transmitted in the optical fiber and directly enter the next level of information processing. Of course, if a photodetector is connected to the output end, the electrical pulse carrying the calculation result can be obtained, and the calculation can be directly re...

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Abstract

The invention discloses an optical logic gate based on double parallel microring resonators. The optical logic gate is realized by two parallel microring resonators (MRR) and waveguides of two parallel namometer wires, two inputs are electric pulse sequences to be calculated, and calculated results to be output are optical pulse sequences. By the optical logic gate, the problems of speed bottleneck, power consumption and gate delay and competition and risks brought by the gate delay in a traditional electric logic gate are solved, the optical information processing and the speed of information processing in optical calculation are improved, and the small volume, low power consumption and low cost of devices can be guaranteed.

Description

technical field [0001] The present invention relates to the technical field of optical information processing and optical computing, in particular to an optical logic gate based on a parallel double microring resonator, in particular, the optical logic gate uses a compact silicon-based integrated microring resonator The device realizes the logic operation function. Background technique [0002] With the development of science and technology, people's living standards continue to improve, and the amount of information to be processed in people's daily life has greatly increased, such as: video conferencing, videophone, smart home, Internet of Things, etc. In this way, the information processing and calculation of traditional electronics have great disadvantages both in terms of power consumption and speed. Optical information processing and optical computing, as one of the most effective ways to replace electrical information processing and computing, has attracted more and ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F3/00
Inventor 田永辉杨林
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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