On-chip integrated photonic device with polarization beam splitting and power distribution

Abstract

The invention discloses an on-chip integrated photonic device capable of simultaneously realizing polarization beam splitting and power distribution based on a multimode interference principle. The device has the advantages that two functions can be really achieved through one device, two polarization states can respectively complete power bisection while polarization beam splitting is achieved, the function is novel and unique, the device is quite innovative, the parameter extinction ratio and the power division ratio of the device are excellent, and the device size is quite small. The device sequentially comprises a silicon-based substrate, a buried oxide layer, an optical function component and an upper cladding layer from bottom to top, the buried oxide layer grows on the upper surface of the silicon-based substrate, the upper cladding layer covers the upper surface of the buried oxide layer, and the optical function component horizontally grows on the upper surface of the buried oxide layer and is covered by the upper cladding layer.

Description

technical field [0001] The invention belongs to the field of integrated optics, in particular to an on-chip integrated photonic device with polarization beam splitting and power distribution. Background technique [0002] Silicon-based photonic integrated circuits (Photonics Integrated Circuits, PICs) break through the functional limitations of discrete components, greatly improve the operating speed, and have the advantages of small size, low power consumption / loss, high reliability, high cost performance, and compatibility with CMOS manufacturing processes. , which is conducive to the realization of dense integration, so as to meet the development needs of high-speed and large-capacity optical information processing systems. Today, silicon-based photonics are revolutionizing many applications including data centers, high-performance computing, and sensing. In the near future, optoelectronic integrated circuit technology will play an important role in high-speed communicat...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an on-chip integrated photonic device with polarization beam splitting and power distribution, which can realize two functions of one device, so as to solve the problem that the original device has a single function. More complex technical issues with high power ratio and loss

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