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Bit-error-rate analysis of a 16-user gigabit ethernet optical-CDMA (O-CDMA) technology demonstrator using wavelength/time codes

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5 Author(s)
V. J. Hernandez ; Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA ; A. J. Mendez ; C. V. Bennett ; R. M. Gagliardi
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This letter describes a technology demonstrator for an incoherent optical code-division multiple-access scheme based on wavelength/time codes. The system supports 16 users operating at 1.25 Gsymbols/s/user while maintaining bit-error rate (BER) <10-11 for the correctly decoded signal. Experiments support previous simulations which show that coherent beat noise, occurring between the signal and multiple access interference, ultimately limits system performance.

Published in:

IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 12 )