CN-122001479-A - Optical module and upper computer of optical module

CN122001479ACN 122001479 ACN122001479 ACN 122001479ACN-122001479-A

Abstract

The optical module and the upper computer of the optical module comprise a circuit board, an analog equalizer, a laser driving chip, a laser chip and a light modulation chip, wherein the surface of the circuit board is provided with an electric connector, the electric connector is connected with a high-speed analog electric signal from the upper computer, the high-speed analog electric signal is subjected to digital equalization, the analog equalizer is arranged on the surface of the circuit board, the input end of the analog equalizer is electrically connected with the electric connector and used for receiving the high-speed analog electric signal, the analog equalizer is used for carrying out analog equalization on the high-speed analog electric signal, the laser driving chip is arranged on the surface of the circuit board, the input end of the laser driving chip is electrically connected with the output end of the analog equalizer and used for receiving the modulated electric signal, and the laser driving chip or the light modulation chip is used for outputting the optical signal.

Inventors

ZHOU JIANYING
XIN LEI

Assignees

青岛海信宽带多媒体技术有限公司

Dates

Publication Date: 20260508
Application Date: 20241107

Claims (4)

1. An optical module, comprising: The high-speed analog electric signal is connected to the upper computer, and is subjected to digital equalization processing; The analog equalizer is arranged on the surface of the circuit board, the input end of the analog equalizer is electrically connected with the electric connector, receives the high-speed analog electric signal and performs analog equalization on the high-speed analog electric signal; The laser driving chip is arranged on the surface of the circuit board, the input end of the laser driving chip is electrically connected with the output end of the analog equalizer, and the laser driving chip receives the high-speed analog electric signals subjected to analog equalization and generates modulation electric signals; and the input end of the laser chip or the optical modulation chip is electrically connected with the output end of the laser driving chip, receives the modulated electric signal and outputs an optical signal.
2. An optical module, comprising: The circuit board is provided with an electric connector on the surface, and the electric connector is connected with a high-speed digital electric signal from an upper computer; The digital equalizer is arranged on the surface of the circuit board, the input end of the digital equalizer is electrically connected with the electric connector, receives the high-speed digital electric signal and performs digital equalization on the high-speed digital electric signal; the digital-analog signal converter is arranged on the surface of the circuit board, the input end of the digital-analog signal converter is electrically connected with the output end of the digital equalizer, and is used for receiving the high-speed digital electric signal subjected to digital equalization and converting the received high-speed digital electric signal into a high-speed analog electric signal; The analog equalizer is arranged on the surface of the circuit board, the input end of the analog equalizer is electrically connected with the output end of the digital-analog signal converter, the analog equalizer receives the high-speed analog electric signal and performs analog equalization on the high-speed analog electric signal; The laser driving chip is arranged on the surface of the circuit board, the input end of the laser driving chip is electrically connected with the output end of the analog equalizer, and the laser driving chip receives the high-speed analog electric signals subjected to analog equalization and generates modulation electric signals; and the input end of the laser chip or the optical modulation chip is electrically connected with the output end of the laser driving chip, receives the modulated electric signal and outputs an optical signal.
3. The utility model provides an upper computer of optical module which characterized in that includes: PAM4 chip/NRZ chip, output the high-speed digital electric signal; the input end of the digital equalizer is electrically connected with the PAM4 chip/NRZ chip, receives the high-speed digital electric signal and carries out digital equalization on the high-speed digital electric signal; The input end of the digital-analog signal converter is electrically connected with the output end of the digital equalizer, receives the high-speed digital electric signal subjected to digital equalization, and converts the received high-speed digital electric signal into a high-speed analog electric signal; the input end of the analog equalizer is electrically connected with the output end of the digital-analog signal converter, receives the high-speed analog electric signal and performs analog equalization on the high-speed analog electric signal; and the electric connector is electrically connected with the analog equalizer and transmits the high-speed analog electric signals subjected to digital equalization and analog equalization to the optical module.
4. The utility model provides an upper computer of optical module which characterized in that includes: PAM4 chip/NRZ chip, output the high-speed digital electric signal; the input end of the digital equalizer is electrically connected with the PAM4 chip/NRZ chip, receives the high-speed digital electric signal and carries out digital equalization on the high-speed digital electric signal; The input end of the digital-analog signal converter is electrically connected with the output end of the digital equalizer, receives the high-speed digital electric signal subjected to digital equalization, and converts the received high-speed digital electric signal into a high-speed analog electric signal; And the electric connector is electrically connected with the digital-analog signal converter and transmits the high-speed analog electric signal subjected to digital equalization to the optical module.

Description

Optical module and upper computer of optical module Technical Field The disclosure relates to the technical field of optical fiber communication, in particular to an optical module and an upper computer of the optical module. Background With the rise of ultra-large-scale data centers and application environments of artificial intelligence (ARTIFICIAL INTELLIGENCE, AI)/machine learning (MACHINE LEARNING, ML), users have raised optical module demands with characteristics of high bandwidth, low power consumption, low delay, low cost, and the like. The optical module is required to have higher transmission bandwidth due to huge data quantity to be transmitted, but the transmission bandwidth of a single optical module is limited, so that the transmission bandwidth is expanded by adopting a mode of combining a plurality of optical modules, the increase of the number of the optical modules can bring negative increase of power consumption and cost, and meanwhile, the high-speed transmission requirement of the data also requires the optical module to further reduce delay, so that the current optical module is difficult to comprehensively meet the requirement of a user. Disclosure of Invention Some embodiments provide an optical module, which comprises a circuit board, an analog equalizer, a laser driving chip, a laser chip and a light modulation chip, wherein the surface of the circuit board is provided with an electric connector, the electric connector is connected with a high-speed analog electric signal from an upper computer, the high-speed analog electric signal is subjected to digital equalization, the analog equalizer is arranged on the surface of the circuit board, the input end of the analog equalizer is electrically connected with the electric connector, the high-speed analog electric signal is received, the analog equalizer is used for carrying out analog equalization on the high-speed analog electric signal, the input end of the laser driving chip is electrically connected with the output end of the analog equalizer, the high-speed analog electric signal subjected to analog equalization is received, and the output end of the laser chip or the light modulation chip is electrically connected with the output end of the laser driving chip, receives the modulated electric signal and outputs an optical signal. Some embodiments provide an optical module, which comprises a circuit board, a digital equalizer, a digital-analog signal converter, a laser driving chip, a laser chip or a chip, wherein the surface of the circuit board is provided with an electric connector, the electric connector is connected with a high-speed digital electric signal from an upper computer, the digital equalizer is arranged on the surface of the circuit board, the input end of the digital equalizer is electrically connected with the electric connector and used for receiving the high-speed digital electric signal, the digital-analog signal converter is arranged on the surface of the circuit board, the input end of the digital-analog signal converter is electrically connected with the output end of the digital equalizer and used for receiving the high-speed analog electric signal, the digital-analog signal converter is electrically connected with the input end of the digital equalizer and used for receiving the high-speed analog electric signal, the digital-analog signal is electrically balanced, the digital-analog signal converter is arranged on the surface of the circuit board, the input end of the digital-analog equalizer is electrically connected with the output end of the digital equalizer and used for receiving the high-speed analog electric signal, the digital-analog signal is modulated, the high-speed analog electric signal is generated, and the laser chip or the chip is electrically connected with the output end of the digital-analog signal. Some embodiments provide an upper computer of an optical module, which comprises a PAM4 chip/NRZ chip for outputting a high-speed digital electric signal, a digital equalizer, a digital-analog signal converter, an analog equalizer, an electric connector and an optical module, wherein the input end of the digital equalizer is electrically connected with the PAM4 chip/NRZ chip for receiving the high-speed digital electric signal and carrying out digital equalization on the high-speed digital electric signal, the input end of the digital-analog signal converter is electrically connected with the output end of the digital equalizer for receiving the high-speed digital electric signal after digital equalization, the input end of the analog equalizer is electrically connected with the output end of the digital-analog signal converter for receiving the high-speed analog electric signal and carrying out analog equalization on the high-speed analog electric signal, and the electric connector is electrically connected with the analog equalizer and transmits the high-speed analog electric signal after