Industrial grade 25G high-speed optical transceiver module

Abstract

The invention discloses an industrial grade 25G high-speed optical transceiver module, comprising a 25G optical emitting module, a single transmission optical fiber and an optical receiving module, wherein two ends of the single transmission optical fiber are respectively connected with the 25G optical emitting module and the optical receiving module through a module connector; the 25G optical emitting module comprises: an electrical connector, a dimensional laser array, an optical fiber module, a module driver, and a power controller; the electrical connector introduces a high-speed digital signal into the 25G optical emitting module, the module driver transmits the signal introduced by the electrical connector to the dimensional laser array after converting the signal into a modulated signal, the dimensional laser array emits a light beam, and the light beam emitted by the dimensional laser array is coupled to the module connector through the optical fiber module. The dimensional laser array in the invention adopts an optical power open-loop mode, which actively reduces the optical power in the interval of 75 to 85 degrees centigrade to avoid deterioration of the eye pattern of the module.

Description

technical field [0001] The invention belongs to the technical field of optical transceiver modules, and in particular relates to an industrial-grade 25G high-speed optical transceiver module. Background technique [0002] The optical transceiver chip is an integrated circuit in the optical transceiver module, not including the laser chip. It refers to the main basic chip of the physical layer of the optical fiber broadband network, including transimpedance amplifiers, limiting amplifiers, and laser drivers. They are used in the front end of optical fiber transmission to realize the photoelectric and electro-optical conversion of high-speed transmission signals. These functions are integrated in the optical fiber transceiver module. The transmitting part is to input the electrical signal of a certain code rate and drive the semiconductor laser after being processed by the internal driver chip ( LD) or light-emitting diode (LED) emits a modulated optical signal at a correspon...

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Problems solved by technology

[0004] The purpose of the present invention is to provide an industrial-grade 25G high-speed optical transceiver module to solve the problem that when using the existing 25G high-speed optical transceiver module, it is difficult for the 25G high-speed optical transceiver module to stabilize the module eye diagram, and it is difficult for the 25G high-speed optical transceiver module to maintain the basic Stable average optical power output affects the stable transmission of signals of 25G high-speed optical transceiver modules

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