RF/photonic antenna for high-capacity wireless communications

Majid Khodier; Christos G. Christodoulou; George Tzeremes; Paul K. L. Yu

doi:10.1117/12.472961

25 June 2002 RF/photonic antenna for high-capacity wireless communications

Majid Khodier, Christos G. Christodoulou, George Tzeremes, Paul K. L. Yu

Proceedings Volume 4740, Digital Wireless Communications IV; (2002) https://doi.org/10.1117/12.472961
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

This paper proposes the integration of an antenna with a photodetector for high capacity wireless communications. The side-illuminated waveguide photodetector (WGPD) is used to convert the RF-modulated optical power into a microwave signal, which in turn is fed to an antenna. The WGPD is a standard p-i-n device grown on a semi-insulating InP substrate and fabricated using conventional techniques. The performance of this RF/photonic antenna in the frequency range 17-20 GHz is studied theoretically and experimentally. An equivalent circuit model for the WGPD is developed to estimate the photodetector impedance as a function of frequency to assist in the impedance matching between the photodetector and the antenna. The agreement between measurement and circuit model results for the WGPD impedance is very good. It is envisioned that a large number of such RF/Photonic antenna elements could be networked together into a star configuration, feeding in and out of a radio hub.

Citation Download Citation

Majid Khodier, Christos G. Christodoulou, George Tzeremes, and Paul K. L. Yu "RF/photonic antenna for high-capacity wireless communications", Proc. SPIE 4740, Digital Wireless Communications IV, (25 June 2002); https://doi.org/10.1117/12.472961

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