13 October 2005 Performance of a 1 Gbps optical direct sequence CDMA based on sampled fiber Bragg grating
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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.
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Ihsan Fsaifes, Ihsan Fsaifes, Mounia Lourdiane, Mounia Lourdiane, Catherine Lepers, Catherine Lepers, Renaud Gabet, Renaud Gabet, Vincent Beugin, Vincent Beugin, Philippe Gallion, Philippe Gallion, } "Performance of a 1 Gbps optical direct sequence CDMA based on sampled fiber Bragg grating", Proc. SPIE 5970, Photonic Applications in Devices and Communication Systems, 59702C (13 October 2005); doi: 10.1117/12.628360; https://doi.org/10.1117/12.628360
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