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Optical free space communication and its applications to distributed network architecture

This paper will address the application of optical free space communication to distributed network architecture. High speed optical links in digital and/or analog forms enable new satellite and land based communication and sensing system architectures with significantly enhanced system performance over conventional single platform architectures. These applications include: RF communications supported by multiple spatially separated satellites or cellular-like base stations performing beam forming and nulling and long baseline interferometry over multiple platforms for sensing. We will examine both the physical transport design of the optical free space links and their architecture implications.