Three-valued optical reversible logic device based on microring resonators

Abstract

The invention provides a three-valued optical reversible logic device based on microring resonators. The three-valued optical reversible logic device is composed of the four microring resonators and two Y branch couplers. Three electric pulse sequences to be calculated are input into the three-valued optical reversible logic device, and calculated optical pulse sequences are output. The manufacturing process of the three-valued optical reversible logic device is completely compatible with a COMS process, and therefore the device is small in size, high in speed, low in power consumption and convenient to integrate, and advantageously plays an important role in photon computers.

Description

technical field [0001] The invention belongs to the field of optical logic calculation, and relates to a ternary optical reversible logic device based on a microring resonator suitable for the fields of optical communication and optical calculation. Background technique [0002] With the development of science and technology, 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. Faced with this situation, the information processing and calculation of traditional electronics have great disadvantages 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 more attention from researchers. As one of the most basic structural units of optical information processing and optical computing, optical logic gates It is al...

AI Technical Summary

Problems solved by technology

[0005] Computer operations are all binary number calculations, and the existing traditional non-reversible logic devices are mainly non-reversible logic gates with two inputs and one output. When the input information passes through the gate, one output information bit will be lost. As early as 1960, R.Landauer proposed It has been proved that every operation of irreversible computing will cause the loss of bits, and every time a bit of information is lost, kTln2 heat energy will be dissipated. Although the energy loss is very small at room temperature, it cannot be ignored for the design of low-power devices.

At the same time, the heat generated by energy consumption will greatly limit the performance and computing speed of the chip

The reversible logic device can not only transmit the output value of the logic gate, but also transmit its input value, so that no information bit will be lost, so no bit will be lost, which can well solve the thermal energy caused by the bit loss. Distributed problem, thereby greatly reducing the energy consumption of the computer logic and improving the calculation speed; but the existing reversible logic device needs a strong laser as the pump light, which is not easy to operate

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