Reversible optical logic device based on microring resonators

A microring resonator and optical logic technology, applied in the field of optical logic computing, can solve problems such as loss and bit loss, and achieve the effects of low device loss, low power consumption, and good scalability

Active Publication Date: 2015-06-03
LANZHOU UNIVERSITY
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Problems solved by technology

[0003] Computer operations are binary number calculations, and the existing traditional calculation methods are based on non-reversible logic devices. One bit of information will be lo

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  • Reversible optical logic device based on microring resonators
  • Reversible optical logic device based on microring resonators
  • Reversible optical logic device based on microring resonators

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[0023] The optical reversible logic device of the present invention will be further explained below in conjunction with the drawings and embodiments.

[0024] like figure 1 As shown, the optical reversible XOR logic device of the present invention includes a first microring resonator and a second microring resonator, and the Y branch coupler is the first Y branch coupler (3).

[0025] like figure 2 As shown, the first microring resonator 1 includes a first silicon-based nanowire microring 10, a first input optical waveguide 11, a first through optical waveguide 12 and a first downloading optical waveguide 13, the first microring resonator 1 With silicon-based electro-optic modulators or silicon-based thermo-optic modulators.

[0026] like image 3 As shown, the second microring resonator 2 includes a second silicon-based nanowire microring 20, a second input optical waveguide 21, a second output optical waveguide 22, a third input optical waveguide 23, a second through opt...

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Abstract

The invention provides a reversible optical exclusive or logic device based on microring resonators. The reversible optical exclusive or logic device consists of two microring resonators and a Y-shaped branch coupler, two electrical pulse sequence inputs to be calculated and optical pulse train outputs subjected to exclusive or calculation; the inputs and the outputs are in one-to-one correspondence. A manufacturing process of the reversible optical exclusive or logic device provided by the invention is completely compatible with a COMS (Complementary Metal Oxide Semiconductor) process, so that the device is small in size, quick in speed, low in power consumption and convenient for integration, and is expected to play an important role in photon computers.

Description

technical field [0001] The invention belongs to the field of optical logic computing, and relates to a reversible optical logic device based on a microring resonator, in particular to a reversible XOR optical logic device based on a microring resonator suitable for the fields of optical communication and optical computing. Background technique [0002] With the continuous development of semiconductor technology, the integration of chips or integrated circuits is getting higher and higher, and the size of integrated components is further reduced. The leakage and heat dissipation problems of traditional electrical devices cannot be well solved. There are more and more signs that optical information processing and optical computing have very bright prospects as a solution to replace traditional electrical information processing. The parallelism of optical signal transmission makes the optical system have a wider information channel than the electrical system; the integrated opt...

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Application Information

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IPC IPC(8): G02F3/00
CPCG02B6/29338G02F3/00
Inventor 田永辉赵永鹏刘子龙李德钊吴小所肖恢芙赵国林杨建红
Owner LANZHOU UNIVERSITY
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