Single-fiber bidirectional optical assembly and optical module

A technology of single-fiber bidirectional and optical components, which is applied in the field of optical communication, can solve the problems of low speed and high cost of single-fiber bidirectional optical modules, and achieve the effects of high-speed application, volume reduction and cost reduction

Inactive Publication Date: 2021-08-24
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] The embodiment of the present invention provides a single-fiber bidirectional optical module, which aims to solve the problems of low speed and high cost of the existing single-fiber bidirectional optical module

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  • Single-fiber bidirectional optical assembly and optical module
  • Single-fiber bidirectional optical assembly and optical module
  • Single-fiber bidirectional optical assembly and optical module

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] One of the core links of optical fiber communication is the conversion of photoelectric signals. Optical fiber communication uses optical signals carrying information to be transmitted in optical fibers, and low-cost, low-loss information transmission can be achieved by using the passive transmission characteristics of light in optical fibers. However, information processing equipment such as computers use electrical signals, which requires mutual conversion between electrical signals and optical signals during signal transmission. The optical module realizes the above-mentioned photoelectr...

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Abstract

The invention is applicable to the technical field of communication, and provides a single-fiber bidirectional optical component and an optical module. The single-fiber bidirectional optical component comprises a light transmitting unit, a light receiving unit and a planar optical waveguide chip; the light transmitting unit is used for transmitting an emergent light signal with a first wavelength; the light receiving unit is positioned below the planar optical waveguide chip and is used for receiving an incident light signal with a second wavelength; the planar optical waveguide chip comprises a wave splitting and combining device, a reflecting surface, a first port and a second port, and the wave splitting and combining device is used for sending out an emergent optical signal received through the first port through the second port and sending an incident optical signal received through the second port to the optical receiving unit through the reflecting surface; and the reflecting surface is arranged between the wave splitting and combining device and the light receiving unit and is used for reflecting an incident light signal passing through the wave splitting and combining device into the light receiving unit. The single-fiber bidirectional optical assembly provided by the invention is small in size, simple in structure and low in cost, and can be applied to a high-speed communication network.

Description

technical field [0001] The invention relates to the technical field of optical communication, in particular to a single-fiber bidirectional optical component and an optical module. Background technique [0002] With the advancement of information technology and the needs of network applications, single-fiber bidirectional (English: Bidirectional, referred to as: BiDi) optical modules, compared with traditional dual-fiber bidirectional optical modules, can save one fiber resource and are widely used in communication networks. is widely adopted. For single-fiber bidirectional optical modules, the core component is the internally integrated single-fiber bidirectional optical sub-assembly (English: Bi-directional Optical Sub-Assembly, referred to as: BOSA). A single optical fiber can realize the two-way transmission of data. [0003] The currently commonly used BOSA is widely used in 50GE (English: Gigabit Ethernet, Chinese: Gigabit Ethernet), especially in the transmission ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/42
CPCG02B6/4204G02B6/4206G02B6/4214G02B6/4251G02B6/428
Inventor 李志伟张为
Owner HUAWEI TECH CO LTD
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