Is optical CDMA viable technique for broadband networks?

Glesk, I. and Baby, Varghese and Brès, Camille-Sophie and Prucnal, Paul R. and Kwong, Wing C. (2006) Is optical CDMA viable technique for broadband networks? Proceedings of SPIE, 6180. ISSN 1996-756X

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Abstract

The need for high speed communications together with availability of novel photonic devices have triggered a development of broadband optical networks. Current techniques for accessing bandwidth in a multi-user environment in optical networks rely on dense wavelength-division multiple access (DWDMA) and time-division multiple access (TDMA) approaches. On the other hand, code-division multiple access (CDMA) has been used more in RF wireless communication systems. However, by combining CDMA approaches with emerging optical technologies and novel code design, optical CDMA systems that provide unique multi-user access to shared optical bandwidth can be realized.