Optically controlled phased-array antenna with PSK communications

Martin James Cooper; Peter Sample; Meirion F. Lewis; Rebecca A. Wilson

doi:10.1117/12.578690

30 November 2004 Optically controlled phased-array antenna with PSK communications

Martin James Cooper, Peter Sample, Meirion F. Lewis, Rebecca A. Wilson

Proceedings Volume 5618, Integrated Optical Devices, Nanostructures, and Displays; (2004) https://doi.org/10.1117/12.578690
Event: European Symposium on Optics and Photonics for Defence and Security, 2004, London, United Kingdom

Abstract

An optically controlled RF/microwave/mm-wave phased array antenna has been developed operating at 10 GHz with 30 kHz reconfiguration rate via the use of a micromachined silicon Spatial Light Modulator. A communications function has been demonstrated with a variety of Phase Shift Keying modulation schemes (BPSK, QPSK, MSK) at data rates up to 200 Mbit/s and low BER (<1×10^-9). A single channel has been demonstrated at 35 GHz. The properties of photonic components are taken advantage of in several ways: (i) since the carrier frequency is derived from heterodyning of lasers, it is tuneable from almost DC-100 GHz, (ii) the use of optical fiber allows for EMI immune antenna remoting, and (iii) the wide information bandwidth of optical modulators, which in this configuration is carrier frequency independent. The above is achieved in a lightweight and compact format, with considerable scope for further reductions in size and weight.

Citation Download Citation

Martin James Cooper, Peter Sample, Meirion F. Lewis, and Rebecca A. Wilson "Optically controlled phased-array antenna with PSK communications", Proc. SPIE 5618, Integrated Optical Devices, Nanostructures, and Displays, (30 November 2004); https://doi.org/10.1117/12.578690

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