Orbital angular momentum multiplexing for digital communication
US9712273B2 · kind B2 · utility
4Cited by
1References
31Claims
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Key dates
| Filing date | May 12, 2015 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Aug 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/07
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Optical signals with different orbital angular momentum (OAM) modes are used to multiplex data for different receiver together or a light signal. The OAM based multiplexing may be used in addition to other multiplexing schemes such as time division multiplexing, polarization multiplexing and so on. Capacity of existing optical network infrastructure can be increased significantly using OAM modulation, and data communication can be secured at the same time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.