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CN-122001478-A - 12-Path photoelectric and electro-optical conversion integrated optical module

CN122001478ACN 122001478 ACN122001478 ACN 122001478ACN-122001478-A

Abstract

The invention discloses a 12-channel photoelectric and electro-optical conversion integrated optical module, which comprises a conversion control part, wherein the conversion control part comprises a controller, a 1x 12-channel VCSEL driver and a 1x 12-channel limiting amplifier, wherein the 1x 12-channel VCSEL driver and the 1x 12-channel limiting amplifier are matched with the controller, one end of the 1x 12-channel VCSEL driver is connected with a differential signal access end, the other end of the 1x 12-channel VCSEL driver is connected with a 12-channel differential signal, the other end of the 1x 12-channel VCSEL driver is connected with a 12-channel optical signal output end to form a 12-channel electro-optical conversion structure, one end of the 1x 12-channel limiting amplifier is connected with a 12-channel optical signal input end, the other end of the 1x 12-channel limiting amplifier is connected with the 12-channel optical signal output end, the other end of the 1x 12-channel VCSEL amplifier is connected with the differential signal output end to form the 12-channel photoelectric conversion structure, the 12-channel photoelectric conversion structure is formed by combining the 12-channel photoelectric conversion structure with the 12-channel photoelectric conversion structure, the 12-channel photoelectric conversion structure is used as a transmitting end, the 12-channel photoelectric conversion structure.

Inventors

  • WANG BO
  • LIU GUODONG
  • ZHANG XIAOLING
  • ZHANG JINHUI

Assignees

  • 江苏奥雷光电有限公司

Dates

Publication Date
20260508
Application Date
20260302

Claims (10)

  1. 1. The 12-channel photoelectric and electro-optical conversion integrated optical module is characterized by comprising a conversion control part, wherein the conversion control part comprises a controller, 1x 12-channel VCSEL (vertical cavity surface emitting diode) drivers and 1x 12-channel limiting amplifiers, wherein the VCSEL drivers and the 1x 12-channel limiting amplifiers are matched with the controller; One end of the 1x 12-path VCSEL driver is connected with the differential signal access end, 12 paths of differential signals are accessed, and the other end is communicated with 12 paths of optical signal output ends to form a 12-path electro-optical conversion structure; One end of the 1x 12-path limiting amplifier is connected with 12 paths of optical signal input ends, 12 paths of optical signals are connected, and the other end of the limiting amplifier is connected with a differential signal output end to form a 12-path photoelectric conversion structure; The 12-path photoelectric conversion structure is combined with the 12-path photoelectric conversion structure to form a 12-path photoelectric conversion integrated structure; the 12-way electro-optical conversion structure is used as a transmitting end and converts an input electric signal into an optical signal to be output; the 12-path photoelectric conversion structure is used as a receiving end and is used for converting an input optical signal into a differential signal and outputting the differential signal; and the optical modules are combined to form a 12-channel transceiver integrated optical module structure.
  2. 2. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 1, wherein the 12-channel optical signal output end is a 1x12VCSRL array, and the optical fiber array assembly A is correspondingly arranged.
  3. 3. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 2, wherein the 12-channel optical signal input end is a 1x12PD array, and the optical fiber array assembly B is correspondingly arranged.
  4. 4. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 3, wherein the driving chip of the 1x 12-channel VCSEL driver and the amplifying chip of the 1x 12-channel limiting amplifier are characterized in that an enabling pin LDIS, temperature monitoring pins IMON and VTHERM, a received signal strength detection pin RSSI and an I2C communication pin are reasonably connected to ports of the MCU, and the driving chip and the amplifying chip are respectively controlled by CONF1 and CONF2 pins of the chip in four working modes of 00/01/10/11.
  5. 5. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 4, wherein the current value at a specific temperature is calculated according to the temperature value in order to ensure the stability of the performance in the whole temperature range, and the initial current value of the product is debugged for each product during the production, so that the compensation of the current value in the whole temperature range of the product is realized.
  6. 6. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 5, wherein an electrical interface of the 12-channel receiving and transmitting integrated optical module structure adopts a hot plug structure, a PCB part adopts a soft and hard combination plate structure, the PCB part comprises an upper plate connected with a BGA bonding pad, a bonding process for an photoelectric chip and a lower plate for optical path coupling, and the upper plate and the lower plate realize electrical connection of control signals through the soft plate.
  7. 7. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 6 is characterized in that the bare chip and the optical device array are fixed on a printed board of the PCB part in a silver adhesive bonding mode, the electric pins are connected with the printed board in a gold wire bonding mode, and tensile force sampling inspection is carried out on a gold wire bonding part to ensure that the strength of gold wire bonding meets design requirements.
  8. 8. The 12-channel photoelectric and electro-optical conversion integrated optical module of claim 7, wherein the vibration, high-temperature circulation and aging screening test is performed to further ensure the reliability of the product performance.
  9. 9. The 12-channel photoelectric and electro-optical conversion integrated optical module according to claim 8 is characterized in that a BGA socket of the 12-channel receiving and transmitting integrated optical module structure is connected with a BGA female head of a client system board and is fixed on a user board by adopting a screw locking mode and matched with a cross-slot pan head screw, and a product optical port is directly inserted into a connector by adopting a standard 24-core MPO jumper wire.
  10. 10. The 9-channel photoelectric and electro-optical conversion integrated optical module according to claim 1 is characterized by meeting the requirement of single-channel 10.3125Gbps signal transmission, and the definition of electric pins and 158-type products are compatible extension products, wherein an FCI 10×10 BGA push type electric connector is selected as an electric interface, the length and width dimensions of the products are determined to be 17mm×49.4mm×12mm, the single-channel transmission rate is 10.3125Gbps, and an optical port is a standard 24-core MPO type, so that 12-channel optical/electric/electro-optical conversion can be realized simultaneously.

Description

12-Path photoelectric and electro-optical conversion integrated optical module Technical Field The invention relates to a photoelectric communication technology and using equipment thereof, in particular to a 12-path photoelectric and electro-optical conversion integrated optical module. Background The optical module used at the present stage is generally an independent photoelectric conversion and an independent electro-optical conversion, and when the independent photoelectric conversion optical module and the independent electro-optical conversion module are used, independent controllers are needed to be used respectively, and further, when the optical module used at the present stage is used in occasions where the photoelectric conversion and the electro-optical conversion of corresponding multiple channels are needed, at least two optical modules are needed to be configured, a large field is needed to be configured, and the configuration of a plurality of controllers cannot be satisfied, so that the field is needed to be simplified. Therefore, it is necessary to provide a 12-way photoelectric and electro-optical conversion integrated optical module to solve the above problems. Disclosure of Invention The invention aims to provide a 12-path photoelectric and electro-optical conversion integrated optical module, which integrates 12-path photoelectric and electro-optical conversion, effectively reduces the use of a controller, and simultaneously reduces the occupation of a field and complicated wiring caused by the use of a plurality of optical modules. The technical proposal is as follows: the 12-channel photoelectric and electro-optical conversion integrated optical module comprises a conversion control part, wherein the conversion control part comprises a controller, 1x 12-channel VCSEL (vertical cavity surface emitting diode) drivers matched with the controller and 1x 12-channel limiting amplifiers; One end of the 1x 12-path VCSEL driver is connected with the differential signal access end, 12 paths of differential signals are accessed, and the other end is communicated with 12 paths of optical signal output ends to form a 12-path electro-optical conversion structure; One end of the 1x 12-path limiting amplifier is connected with 12 paths of optical signal input ends, 12 paths of optical signals are connected, and the other end of the limiting amplifier is connected with a differential signal output end to form a 12-path photoelectric conversion structure; The 12-path photoelectric conversion structure is combined with the 12-path photoelectric conversion structure to form a 12-path photoelectric conversion integrated structure; the 12-way electro-optical conversion structure is used as a transmitting end and converts an input electric signal into an optical signal to be output; the 12-path photoelectric conversion structure is used as a receiving end and is used for converting an input optical signal into a differential signal and outputting the differential signal; and the optical modules are combined to form a 12-channel transceiver integrated optical module structure. Further, the 12 paths of optical signal output ends are 1x12VCSRL arrays, and the optical fiber array assembly A is correspondingly arranged. Further, the 12 paths of optical signal input ends are 1×12PD arrays, and the optical fiber array assemblies B are correspondingly arranged. Further, the driving chip of the 1x 12-path VCSEL driver and the amplifying chip of the 1x 12-path limiting amplifier have 00/01/10/11 working modes, and the enabling pins LDIS, the temperature monitoring pins IMON and VTHERM, the received signal strength detection pin RSSI and the I2C communication pin are reasonably connected to the ports of the MCU, and are respectively controlled by the CONF1 and CONF2 pins of the chips. Furthermore, in order to ensure the stability of the performance in the whole temperature range, the current value at a specific temperature is calculated according to the temperature value, and the initial current value of the product is debugged for each product during production, so that the compensation of the current value in the whole temperature range of the product is realized. Further, the electrical interface of the 12-channel transceiver integrated optical module structure adopts a hot plug structure, the PCB part adopts a soft and hard combination plate structure, and the PCB part comprises an upper plate connected with a BGA bonding pad, a bonding process for an optoelectronic chip and a lower plate for optical path coupling, and the upper plate and the lower plate realize electrical connection of control signals through the soft plate. Further, the upper plate is an 8-layer hard plate, the lower plate is a 6-layer hard plate, the soft plate comprises 4-layer soft plate parts and connecting soft plate parts, the 4-layer soft plate parts are connected with the upper plate, the connecting soft plate parts and the lower plate