Communication multiplexing system and method based on column vector beam (cvb)
A column vector and beam technology, which is applied in the field of communication multiplexing system based on column vector beam, can solve the problems of limited transmission distance and large loss, and achieve the effect of large information capacity, reduced loss and low loss
Active Publication Date: 2021-04-09
深圳市深光谷科技有限公司
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Problems solved by technology
[0003] The research on CVB beams in optical communication is currently focused on the transmission and communication of CVB beams in free space, but there is a problem of large loss in transmission and communication in free space, resulting in limited transmission distance.
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] Such as figure 1 As shown, in one embodiment, a communication multiplexing system based on column vector beam (CVB) is proposed, the system includes: laser 10, information encoding module 20, beam splitting module 30, CVB generating module 40, multiplexing Module 50 and photonic crystal fiber transmission module 60;
[0032] The laser 10 is used to generate a laser beam; the information encoding module 20 is used to encode the laser beam to obtain a laser beam carrying information; the beam splitting module 30 is used to divide the laser beam carrying information into multiple beams; CVB T...
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The application relates to a communication multiplexing system based on a column vector beam (CVB), which includes: a laser, an information encoding module, a beam splitting module, a CVB generation module, a multiplexing module, and a photonic crystal fiber transmission module; for generating laser beams; the information encoding module is used to encode the laser beams to obtain laser beams carrying information; the beam splitting module is used to divide the laser beams carrying information into multiple beams, each The light beam corresponds to one channel; the CVB generation module is used to convert multiple beams into column vector beams of different orders; the multiplexing module is used to synthesize multiple column vector beams of different orders into coaxial column vector beams; The photonic crystal fiber transmission module is used to focus and couple the coaxial cylindrical vector beam into the photonic crystal fiber for transmission. This system has the advantage of small transmission loss. In addition, a communication multiplexing method based on column vector beam (CVB) is proposed.
Description
technical field [0001] The invention relates to the technical field of optical communication, in particular to a communication multiplexing system and method based on a column vector beam (CVB). Background technique [0002] With the development of social economy, people have higher and higher requirements on data transmission rate. Under current technical conditions, the bandwidth resource of optical fiber is limited. Therefore, in the long run, it is the general trend to seek new communication multiplexing dimensions. Cylindrical Vector Beam (CVB) provides a new multiplexing dimension for optical communication systems, which can greatly increase system capacity without widening the system bandwidth. [0003] The research on CVB beams in optical communication is currently focused on the transmission and communication of CVB beams in free space, but the transmission and communication in free space have the problem of large loss, resulting in limited transmission distance. ...
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IPC IPC(8): H04B10/50H04B10/516H04B10/291H04J14/00G02B6/02G02B1/00G02B6/293
CPCG02B1/005G02B6/02295G02B6/2938H04B10/2912H04B10/503H04B10/516H04J14/00
Inventor 雷霆吴聪方浚丞袁小聪
Owner 深圳市深光谷科技有限公司