Orbital angular momentum (OAM) multiplexing in free-space optical data transfer

Jiao Lin; Xiao-Cong Yuan; Shaohua Tao

doi:10.1117/12.679795

1 September 2006 Orbital angular momentum (OAM) multiplexing in free-space optical data transfer

Jiao Lin, Xiao-Cong Yuan, Shaohua Tao

Proceedings Volume 6304, Free-Space Laser Communications VI; 630411 (2006) https://doi.org/10.1117/12.679795
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In the optical wireless communication systems proposed by Gibson, et al, the information is encoded as states of orbital angular momentum (OAM) of light and the transmitter unit can produce laser beam with single OAM-state in a time-slot. Recently we have proved that it is possible to generate multiple OAM-states simultaneously by single spatial light modulator. This method is adopted in our free-space optical wireless communication system and these OAM-states can be detected in the receiving unit by a computer-generated hologram. Hence, the transmission capacity is enhanced significantly without increasing the complexity of system.

Citation Download Citation

Jiao Lin, Xiao-Cong Yuan, and Shaohua Tao "Orbital angular momentum (OAM) multiplexing in free-space optical data transfer", Proc. SPIE 6304, Free-Space Laser Communications VI, 630411 (1 September 2006); https://doi.org/10.1117/12.679795

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