CN112910551B - 基于全息图的多信道轨道角动量编解码方法 - Google Patents
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- CN112910551B CN112910551B CN202110080171.XA CN202110080171A CN112910551B CN 112910551 B CN112910551 B CN 112910551B CN 202110080171 A CN202110080171 A CN 202110080171A CN 112910551 B CN112910551 B CN 112910551B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1143—Bidirectional transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
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CN114301524B (zh) * | 2021-12-29 | 2024-03-26 | 淮阴工学院 | 一种降低高阶oam模式组内串扰方法及系统 |
CN114337834B (zh) * | 2021-12-31 | 2024-02-02 | 杭州电子科技大学 | 一种基于卷积神经网络的涡旋光束阵列多维编解码方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101345556A (zh) * | 2008-08-11 | 2009-01-14 | 北京航空航天大学 | 携有轨道角动量电磁波束的无线通信系统 |
CN105162547A (zh) * | 2015-09-08 | 2015-12-16 | 深圳大学 | 一种解复用单元及其解复用oam信道的方法 |
Family Cites Families (9)
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CN101251655B (zh) * | 2008-03-21 | 2010-04-07 | 北京理工大学 | 一种实现光束轨道角动量态叠加和调制的装置 |
WO2015087257A2 (en) * | 2013-12-10 | 2015-06-18 | Koninklijke Philips N.V. | Optical storage medium, oam-light generating device comprising an optical storage medium, hyperpolarization device comprising an oam-light generating device and magnetic resonance system comprising a hyperpolarization device |
US9615068B2 (en) * | 2014-01-15 | 2017-04-04 | Disney Enterprises, Inc. | Optical vortex 3D displays |
US11245486B2 (en) * | 2014-10-13 | 2022-02-08 | Nxgen Partners Ip, Llc | Application of orbital angular momentum to Fiber, FSO and RF |
CN106125353A (zh) * | 2016-05-30 | 2016-11-16 | 北京理工大学 | 通过引入正切相位将涡旋光束光强分布离散化的方法 |
CN106130655B (zh) * | 2016-06-30 | 2018-04-24 | 中国科学院上海微系统与信息技术研究所 | 一种多模态轨道角动量复用通信系统及方法 |
US10750257B2 (en) * | 2016-12-09 | 2020-08-18 | University Of Southern California | Data encoding and channel hopping using orbital angular momentum modes |
CN208420171U (zh) * | 2018-08-10 | 2019-01-22 | 中南民族大学 | 一种基于数字微镜的通信光束轨道角动量模式的识别装置 |
CN109274431B (zh) * | 2018-12-07 | 2020-08-07 | 北京理工大学 | 基于轨道角动量编码的一对多广播光通信方法与系统 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101345556A (zh) * | 2008-08-11 | 2009-01-14 | 北京航空航天大学 | 携有轨道角动量电磁波束的无线通信系统 |
CN105162547A (zh) * | 2015-09-08 | 2015-12-16 | 深圳大学 | 一种解复用单元及其解复用oam信道的方法 |
Non-Patent Citations (2)
Title |
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《NOVEL COMPUTER GENERATED HOLOGRAMS FOR HIGHSECURITY ANTI-COUNTERFEITING APPLICATIONS 》;R. Rossi;《IEEE》;20180524;全文 * |
《复杂涡旋结构光场的产生方法》;柳强;《中国激光》;20200510;全文 * |
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