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Performance of a 1Gbps optical direct sequence CDMA based on sampled Fiber Bragg Grating

  • CNRS LTCI
  • UMR 8523–PhLAM–Physique des Lasers Atomes et Molécules

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2 Citations (Scopus)

Résumé

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.

langue originaleAnglais
Numéro d'article59702C
journalProceedings of SPIE - The International Society for Optical Engineering
Volume5970 II
Les DOIs
étatPublié - 1 déc. 2005
EvénementPhotonic Applications in Devices and Communication Systems - Toronto, ON, Canada
Durée: 12 sept. 2005 → 14 sept. 2005

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