An Optical to Wireless Data Link Using Radio Frequency Backscatter

The changes in the impedance of an antenna-coupled photo-detector under optical illumination are used to encode data on a backscattered wireless signal similarly to the standard techniques used for radio frequency identification and tagging. The effect is strong enough to allow retrieval of the info...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2013-02, Vol.23 (2), p.102-104
Main Authors: Cantu, H. I., Ironside, C. N., Kelly, A. E., Romeira, B., Figueiredo, J. M. L.
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Backscatter
Exact sciences and technology
homodyne systems
Impedance
on-off keying
Optical fiber communication
Optical modulation
Radio frequency
Radiocommunications
Radiolocalization and radionavigation
Telecommunications
Telecommunications and information theory
Wireless communication
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Summary:The changes in the impedance of an antenna-coupled photo-detector under optical illumination are used to encode data on a backscattered wireless signal similarly to the standard techniques used for radio frequency identification and tagging. The effect is strong enough to allow retrieval of the information without requiring a dc supply at the optical to wireless interface.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2013.2239983