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Proceedings Paper

Performance of a 1 Gbps optical direct sequence CDMA based on sampled fiber Bragg grating
Author(s): Ihsan Fsaifes; Mounia Lourdiane; Catherine Lepers; Renaud Gabet; Vincent Beugin; Philippe Gallion
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Paper Abstract

This paper presents the experimental demonstration of a 1 Gbps Direct Sequence Optical Code Division Multiple Access (DS-OCDMA) system using pulsed coherent source. Encoding and decoding using Prime Sequence codes are achieved by Sampled Fiber Bragg Gratings (S-FBGs). The encoders/decoders have been designed with OptiGrating software and realized with Phase Mask Process. BER measurements have been performed in the asynchronous configuration when an interferer is delayed from the desired signal. A 2 dB penalty due to Multiple Access Interference effect (MAI) has been observed in the synchronous case. S-FBG technological limitations and optical interferences due to the source coherence time have been observed and will be discussed.

Paper Details

Date Published: 13 October 2005
PDF: 6 pages
Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 59702C (13 October 2005); doi: 10.1117/12.628360
Show Author Affiliations
Ihsan Fsaifes, GET/Télécom Paris, CNRS (France)
Mounia Lourdiane, GET/Télécom Paris, CNRS (France)
Catherine Lepers, Lab. de Physique des Lasers, Atomes et Molécules, CNRS (France)
Univ. de Lille I (France)
Renaud Gabet, GET/Télécom Paris, CNRS (France)
Vincent Beugin, Lab. de Physique des Lasers, Atomes et Molécules, CNRS (France)
Univ. de Lille I (France)
Philippe Gallion, GET/Télécom Paris, CNRS (France)


Published in SPIE Proceedings Vol. 5970:
Photonic Applications in Devices and Communication Systems
Peter Mascher; John C. Cartledge; Andrew Peter Knights; David V. Plant, Editor(s)

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