Small-sized hot-pluggable transceiving integration optical module for plastic optical fiber communication

A hot-swappable technology for optical fiber communication, applied in electromagnetic wave transmission systems, electrical components, transmission systems, etc., can solve problems such as high stability of emitted optical power that is difficult

Active Publication Date: 2012-10-17
广东一普实业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The transceiver optical module used in the existing plastic optical fiber communication system generally uses temperature compensation to maintain the stability of the transmitted optical power, but due to the characteristics of electronic components and the driving characteristics of the driver chip, the temperature compensation method can only To achieve a certain degree of stability, it is difficult to achieve a high degree of stability of the emitted optical power under high temperature conditions; moreover, the existing transceiver optical module adopts a soldered plug-in package. When the optical module fails, the entire device needs to be replaced Return to the original factory to replace the new optical module

Method used

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  • Small-sized hot-pluggable transceiving integration optical module for plastic optical fiber communication

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The small hot-swappable transceiver optical module for plastic optical fiber communication in this embodiment includes an optical receiver and an optical transmitter, and the small hot-swappable transceiver optical module also includes an SFP optical module interface conforming to the SFP multi-source protocol, The optical receiver includes an optical receiving component that converts the input optical signal with a wavelength in the visible light band into an electrical signal and a limiting amplifier that limits and amplifies the electrical signal output by the optical receiving component. The optical transmitter includes an optical signal that operates in the visible light band. The emitting assembly and the light emitting assembly driver for driving the light emitting assembly to emit light, the light emitting assembly driver has an automatic power control circuit, the light emitting assembly includes a backlight detection photodiode and a light emitter chip, the auto...

Embodiment 2

[0031] see figure 1 . In this embodiment, the specific model of the SFP optical module interface is SFP-2X10; the optical transmitter includes a light emitting chip LD with a semiconductor laser diode and a backlight detection photodiode, a driver chip U1, resistors R1, R2, R4, R5, R6 , R7, R10, R11, R13, R14, R15, R16, R17, R18, capacitors C1, C2, C3, C4, C5, C6, C8, C10, C11, C12, C13, C14, C15, inductors L1, L2 , L3; the specific model of U1 is UX2211, the 3 pins of LD, one end of C6 are connected with the 18 pins of U1, the 2 pins of LD, one end of R17, one end of L3 are connected with one end of R16, the 4 pins of LD, the one end of R15 One end, one end of L2 is connected to one end of R18, the other end of R17 is connected to one end of C5, one end of L3 is connected to pin 13 of U1, the other end of R16 is connected to one end of C4, the other end of C4, one end of R14 is connected to The 16-pin connection of U1, the other end of R15 is connected with one end of C3, t...

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Abstract

The invention discloses a small-sized hot-pluggable transceiving integration optical module for plastic optical fiber communication. The small-sized hot-pluggable transceiving integration optical module comprises an optical receiver and an optical transmitter. The small-sized hot-pluggable transceiving integration optical module further comprises an SFP optical module interface which accords with an SFP multi-source agreement. The optical receiver comprises an optical receiving component and a limiting amplifier, wherein the optical receiving component is used for converting inputted optical signals whose wavelength is in a visible light band into electric signals, and the limiting amplifier can amplify the electric signals outputted by the optical receiving component in a limiting mode. The optical transmitter comprises an optical transmitting component working in the visible light band and an optical transmitting component driver used for driving the optical transmitting component to give out light. The optical transmitting component driver is provided with an automatic power control circuit. The optical receiver and the optical transmitter are both connected to the SFP optical module interface. The optical transmitting component driver of the technical solution is provided with the automatic power control circuit and the SFP optical module interface is adopted by the transceiving integration optical module of the invention, so that high stability of light transmitting power and a function of energized hot plug can be realized.

Description

technical field [0001] The invention relates to the technical field of plastic optical fiber communication, in particular to a small hot-swappable transceiver-integrated optical module for plastic optical fiber communication. Background technique [0002] Plastic optical fiber, also known as polymer optical fiber, is an emerging optical fiber communication medium, and its core and cladding are made of plastic materials. Plastic optical fiber has the characteristics of good toughness, not easy to break, large numerical aperture, and easy coupling. [0003] The transceiver optical module used in the existing plastic optical fiber communication system generally uses temperature compensation to maintain the stability of the transmitted optical power, but due to the characteristics of electronic components and the driving characteristics of the driver chip, the temperature compensation method can only To achieve a certain degree of stability, it is difficult to achieve a high d...

Claims

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Application Information

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IPC IPC(8): H04B10/24H04B10/12
Inventor 王自和
Owner 广东一普实业有限公司
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