Optical module

Abstract

The invention provides an optical module comprising a circuit board which is provided with a power supply circuit and a signal circuit and is used for supplying power and providing an electric signal;a light source which is connected with the power supply circuit and is used for emitting emergent light without carrying signals; a first optical fiber ribbon, wherein one end of the first optical fiber ribbon is connected with the light source, the other end of the first optical fiber ribbon is connected with the silicon optical chip, and the first optical fiber ribbon is used for transmitting emergent light emitted by the light source into the silicon optical chip; a silicon optical chip which is used for receiving emergent light from the light source through the first optical fiber ribbon,is electrically connected with a signal circuit and is used for modulating and generating light carrying a signal according to an electric signal, wherein the silicon optical chip further comprises alight splitting unit and a plurality of groups of light modulation units; wherein the input end of the light splitting unit is connected with the input port of the silicon optical chip, the output end of the light splitting unit is correspondingly connected with the input end of each group of optical modulation units, and the output end of each group of optical modulation units is correspondinglyconnected with the output port of the silicon optical chip through the optical waveguide. Multi-path output of modulated optical signals by the optical module is realized, and the high-speed development requirement of the optical module is met.

Description

technical field [0001] The present application relates to the technical field of optical communication, and in particular to an optical module. Background technique [0002] In the field of optical fiber communication, the optical module is a tool to realize the mutual conversion of photoelectric signals, and it is one of the key components in optical communication equipment. At the same time, with the development and demand of emerging services such as cloud computing and mobile Internet, the requirements for the rate of optical modules are getting higher and higher, and the types of corresponding optical modules are also increasing. [0003] There is an optical module, which includes a laser box and a silicon photonic chip. The light emitted by the laser box can be optically coupled into the silicon photonic chip. The laser box is used as a light source for emitting optical signals, and the silicon photonic chip is used to modulate the optical signal. Usually, in the proc...

AI Technical Summary

Problems solved by technology

Usually, in the process of optical signal modulation, there will be 20%-30% loss of optical power. In order to meet the requirements of optical power, it is usually necessary to increase the luminous power of the laser chip in the laser box, and as the rate of optical modules becomes higher and higher The requirements of the optical module will lead to higher and higher requirements for the luminous power of the laser chip in the laser box. However, when the luminous power of the laser chip in the laser box increases, its cost will increase significantly, which will greatly increase the manufacturing cost of the optical module. , which is not conducive to the development of high-speed optical modules

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