Optical computing chip and control system based on multimode interference

Abstract

The invention discloses an optical computing chip based on multimode interference and a control system. The optical computing chip comprises a lower cladding, an optical wave layer arranged on the lower cladding and an electrode array. The optical wave layer comprises an input optical waveguide and a multimode interference region; the refractive index of the light wave layer is greater than that of the lower cladding; the emergent end of the input optical waveguide is connected with the incident end of the multimode interference area. The multi-mode interference area serves as a data input area and a calculation area, and an electrode array is laid on the upper portion of the multi-mode interference area. The electrode units in the electrode array are used for data input or multimode interference adjustment. The optical computing chip control system can control the two electrodes, so that different computing functions are realized. The optical computing chip is simple in structure, low in cost and capable of achieving parallel logic operation and other high-order operation. The power of the electrode is directly scanned through the optical calculation chip control system, so that the required optical calculation function can be realized without simulation, and the development period and cost can be effectively reduced.

Description

technical field [0001] The invention relates to the fields of optical computing and optoelectronic chips, in particular to an optical computing chip and a control system based on multi-mode interference. Background technique [0002] The rapid development of optical communication requires compact, low-power, low-cost and multi-functional photonic integrated circuits (PICs). At the same time, photonic integrated circuits can also be used to realize on-chip optical signal processing and photonic computing. At present, most photonic integrated circuits are designed and manufactured for specific applications, which leads to the fact that the optical paths and functions of the photonic integrated circuits are fixed and cannot be applied to various application fields and application scenarios. At the same time, the current design of photonic integrated circuits requires a large number of simulations and accurate preparation of parameters defined by the simulations, which increase...

AI Technical Summary

Problems solved by technology

As the number of parallelism increases, the chip circuit complexity increases exponentially

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