Spectrally efficient optical CDMA system based on chromatic dispersion for phase coding of individual spectral lines in the time domain

Santiago Tainta; Waldimar Amaya; Maria J. Erro; Maria J. Garde; Raimundo García-Olcina; Miguel A. Muriel

doi:10.1117/12.852197

25 November 2009 Spectrally efficient optical CDMA system based on chromatic dispersion for phase coding of individual spectral lines in the time domain

Santiago Tainta, Waldimar Amaya, Maria J. Erro, Maria J. Garde, Raimundo García-Olcina, Miguel A. Muriel

Author Affiliations +

Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 76320O (2009) https://doi.org/10.1117/12.852197
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

A WDM-compatible spectrally phase encoded-optical CDMA scheme is experimentally demonstrated. The system is based on the use of chromatic dispersion, chosen to achieve a first-order Talbot effect, to obtain a frequency-to-time mapping that allows subsequent coding/decoding of the signal spectrum by applying electro-optic phase modulation in the time domain. Independent coding of each of the spectral lines from a pulsed source is achieved, thus guaranteeing an efficient use of the spectrum. The use of electrooptic modulators to impose the codes enables a simple and rapid reconfiguration of the used codes. Results are given for a system transmitting at 10 Gbps within a 0.7 nm optical window using Hadamard codes.

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Santiago Tainta, Waldimar Amaya, Maria J. Erro, Maria J. Garde, Raimundo García-Olcina, and Miguel A. Muriel "Spectrally efficient optical CDMA system based on chromatic dispersion for phase coding of individual spectral lines in the time domain", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76320O (25 November 2009); https://doi.org/10.1117/12.852197

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