Optical Orbital Angular Momentum Demultiplexing and Channel Equalization by Using Equalizing Dammann Vortex Grating
Joint Authors
Chen, Shuqing
He, Yanliang
Liu, Junmin
Su, Mingyang
Li, Ying
Source
Advances in Condensed Matter Physics
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-06-21
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
A novel equalizing Dammann vortex grating (EDVG) is proposed as orbital angular momentum (OAM) multiplexer to realize OAM signal demultiplexing and channel equalization.
The EDVG is designed by suppressing odd diffraction orders and adjusting the grating structure.
The light intensity of diffraction is subsequently distributed evenly in the diffraction orders, and the total diffraction efficiency can be improved from 53.22% to 82%.
By using the EDVG, OAM demultiplexing and channel equalization can be realized.
Numerical simulation shows that the bit error rate (BER) of each OAM channel can decrease to 10-4 when the bit SNR is 22 dB, and the intensity is distributed over the necessary order of diffraction evenly.
American Psychological Association (APA)
Su, Mingyang& Liu, Junmin& He, Yanliang& Chen, Shuqing& Li, Ying. 2017. Optical Orbital Angular Momentum Demultiplexing and Channel Equalization by Using Equalizing Dammann Vortex Grating. Advances in Condensed Matter Physics،Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1121630
Modern Language Association (MLA)
Su, Mingyang…[et al.]. Optical Orbital Angular Momentum Demultiplexing and Channel Equalization by Using Equalizing Dammann Vortex Grating. Advances in Condensed Matter Physics No. 2017 (2017), pp.1-9.
https://search.emarefa.net/detail/BIM-1121630
American Medical Association (AMA)
Su, Mingyang& Liu, Junmin& He, Yanliang& Chen, Shuqing& Li, Ying. Optical Orbital Angular Momentum Demultiplexing and Channel Equalization by Using Equalizing Dammann Vortex Grating. Advances in Condensed Matter Physics. 2017. Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1121630
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1121630