High-speed integrated optical wireless system demonstrator

O'Brien, Dominic C., Faulkner, Grahame E., Jim, Kalok, Zyambo, Emmanuel B., Edwards, David J., Whitehead, Mark, Stavrinou, Paul N., Parry, Gareth, Bellon, Jacques A., Sibley, Martin J.N., Lalithambika, Vinod A., Joyner, Valencia M., Samsudin, Rina J., Holburn, David M. and Mears, Robert J. (2001) High-speed integrated optical wireless system demonstrator. Optical Wireless Communications IV (Proceedings Volume), Proceedings Vol. 4530. pp. 145-153.

Abstract

The widespread use of Optical LANs is dependent on the ability to fabricate low cost transceiver components. These are usually complex, and fabrication involves the integration of optoelectronic and electronic devices, as well as optical components. A number of UK universities are currently involved in a project to demonstrate integrated optical wireless transceiver subsystems that can provide eyesafe line of sight in-building communication at 155Mbit/s and above, using 1550nm eyesafe emitters. The system uses two-dimensional arrays of novel microcavity LED emitters, and arrays of detectors integrated with custom CMOS integrated circuits to implement tracking transceiver components. The project includes design and fabrication of the optoelectronic devices, transimpedance amplifiers and optical systems, as well as flip-chip bonding of the optoelectronic and CMOS integrated circuits to create components scaleable to the large numbers of sources and detectors required. In this paper we report initial results from the first seven channel demonstrator system. Performance of individual components, their limitations and future directions are detailed

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