Optical code-division multiple-access networks

Ivan Andonovic; Wei Huang

doi:10.1117/12.347958

28 April 1999 Optical code-division multiple-access networks

Ivan Andonovic, Wei Huang

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347958
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

This review details the approaches adopted to implement classical code division multiple access (CDMA) principles directly in the optical domain, resulting in all optical derivatives of electronic systems. There are a number of ways of realizing all-optical CDMA systems, classified as incoherent and coherent based on spreading in the time and frequency dimensions. The review covers the basic principles of optical CDMA (OCDMA), the nature of the codes used in these approaches and the resultant limitations on system performance with respect to the number of stations (code cardinality), the number of simultaneous users (correlation characteristics of the families of codes), concluding with consideration of network implementation issues. The latest developments will be presented with respect to the integration of conventional time spread codes, used in the bulk of the demonstrations of these networks to date, with wavelength division concepts, commonplace in optical networking. Similarly, implementations based on coherent correlation with the aid of a local oscillator will be detailed and comparisons between approaches will be drawn. Conclusions regarding the viability of these approaches allowing the goal of a large, asynchronous high capacity optical network to be realized will be made.

Citation Download Citation

Ivan Andonovic and Wei Huang "Optical code-division multiple-access networks", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347958

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