Bidirectional information transmission system and method based on optical fiber coding
A two-way information transmission and encoding technology, applied in the field of optical fiber communication, can solve problems such as inapplicability, and achieve the effect of unique identification and stable signal transmission
Pending Publication Date: 2020-11-10
ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD
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Problems solved by technology
However, this traditional method cannot be applied to special situations, such as the need to achieve bidirectional transmission without using direct transmission of light waves
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[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0023] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific ...
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The invention discloses a bidirectional information transmission system and method based on optical fiber coding, and the system comprises a first transmission terminal and a second transmission terminal, wherein each of the first transmission terminal and the second transmission terminal comprises a light source, a circulator, a first SOA optical switch, a communication optical fiber provided with an optical fiber code, a signal generator, and a photoelectric detector. The main control module is used for controlling the output of the light source, controlling the receiving of the photoelectric detector and identifying the regularly-strained light wave signals. The main control modules of the first transmission terminal and the second transmission terminal are electrically connected with the signal generators of the opposite sides respectively so as to be used for editing physical signals needing to be sent. According to the scheme, the optical fiber sensing technology, the optical fiber coding technology and the optical fiber communication technology are combined, strain excitation is only carried out on the outer layer of the optical cable at the information input end without connecting the optical cable, and pure physical bidirectional information transmission is achieved through double-optical-fiber connection between the two transmission terminals.
Description
technical field [0001] The invention relates to the field of optical fiber communication, in particular to a bidirectional information transmission system and method based on optical fiber coding. Background technique [0002] The information transmission of the existing optical fiber communication system mainly relies on the sending and receiving of two-way light waves. The information to be transmitted is input into the transmitter at the sending end, and the information is superimposed or modulated on the carrier as the carrier of the information signal, and then the modulated carrier It is transmitted to the remote receiving end through the transmission medium (optical fiber), and the original information is demodulated by the receiver. However, this traditional method cannot be applied to special cases, such as the need to realize two-way transmission without direct transmission of light waves. Contents of the invention [0003] The present invention aims to solve at...
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IPC IPC(8): H04B10/25H04B10/85G08C23/06
CPCH04B10/85G08C23/06
Inventor 朱惠君薛鹏白金刚毛志松邬耀华
Owner ZHONGSHAN SHUIMU GUANGHUA ELECTRONICS INFORMATION TECH CO LTD