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Proceedings Paper

Interferometric noise analysis in coherence-multiplexed optical fiber communication systems for local area networks
Author(s): G. C. Gupta; Peter J. Legg; Ivan Andonovic; Deepak G. Uttamchandani
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Paper Abstract

Coherence multiplexing (CM) exploits the coherence properties of optical sources so that many users may be multiplexed onto a single physical channel giving a secure, asynchronous mode of transmission, free of central network control. In this paper, for the first time, the CM system performance limitations owing to the impact of interference from unwanted users is presented and the suitability of LED, single mode Fabry-Perot laser and DFB sources are considered. It is concluded that the single mode Fabry-Perot is preferred, offering readily achievable interferometer length tolerances and near complete RF rejection of interferometric noise at the receiver. However, interferometric noise still limits the network capacity: a linewidth of lnm permits 17 users to be simultaneously offered a single video channel with a BER<10-9.

Paper Details

Date Published: 2 January 1998
PDF: 3 pages
Proc. SPIE 3211, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, (2 January 1998); doi: 10.1117/12.345527
Show Author Affiliations
G. C. Gupta, Univ. of Strathclyde (United Kingdom)
Peter J. Legg, Univ. of Strathclyde (United Kingdom)
Ivan Andonovic, Univ. of Strathclyde (United Kingdom)
Deepak G. Uttamchandani, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 3211:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96

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