Half-duplex optical transceiver device and method

Abstract

The invention provides a half-duplex optical transceiving device and method, and the half-duplex optical transceiving device comprises: an optical device transceiving module which comprises at least one first photoelectric unit for converting an electric signal into an optical signal, and at least one second photoelectric unit for converting the optical signal into an electric signal; a driving amplification module, wherein the output end of the driving amplification module is electrically connected with the first pole of the first photoelectric unit and the first pole of the second photoelectric unit; a bias module, wherein the output end of the bias module is electrically connected with the second pole of the first photoelectric unit; and an amplification and equalization module, whereinthe input end of the amplification and equalization module is electrically connected with the second pole of the second photoelectric unit. According to the half-duplex optical transceiver, mutual conversion between photoelectric signals in optical communication can be realized. The whole half-duplex optical transceiver is simple in circuit structure, and can effectively isolate the interferenceof the transmitting circuit on the receiving circuit.

Description

technical field [0001] The present invention relates to the field of optical communication, more specifically, to a half-duplex optical transceiver device and method. Background technique [0002] Compared with wired or wireless electrical signal transmission, optical signal transmission has many advantages, including: no need for wireless spectrum license, excellent anti-electromagnetic interference performance, better information confidentiality and safety for users, etc. . [0003] The optical communication transceiver devices in the related art have different and independent transmitting drive circuits, receiving amplifier circuits and corresponding independent optical transceiver devices due to the different optical transceiver devices used. Such a typical optical communication transceiver generally adopts two independent optical channels, or adds a relatively high-cost optical wavelength division multiplexer to establish a bidirectional optical signal transceiver chan...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned optical communication transceiver device needs to use a relatively complex optical signal transceiver processing circuit, or a complex optical path design, and even needs to increase the number of optical fiber connections between devices and the size of the plug tray of the device.

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