Design and demonstration of a novel incoherent optical CDMA system

Tools

Glesk, I. and Baby, V. and Brès, C. S. and Prucnal, P. R. and Kwong, W. C.; (2005) Design and demonstration of a novel incoherent optical CDMA system. In: Proceedings - IEEE Military Communications Conference MILCOM. IEEE Military Communications Conference, 5 . IEEE, GBR, pp. 3155-3161. ISBN 0780393937 (https://doi.org/10.1109/MILCOM.2005.1606142)

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Abstract

A detailed analysis of the scalability of two-dimensional optical codes is presented and two network deployment architectures for optical code division multiple access (OCDMA) are discussed. We present the architecture and or a highly scalable, 2.5 Gb/s per user code design for OCDMA system. The system is scalable to 100 potential and more than 10 simultaneous users, each with BER of less than 10(-9). The system architecture uses fast wavelength-hopping, time-spreading codes. Unlike phase sensitive coherent OCDAM systems, this architecture utilizes standard on-off-keyed optical pulses allocated in the time and wavelength domains. This incoherent OCDMA approach is compatible with existing WDM optical networks and utilizes off-the-shelf components. We discuss a novel optical subsystems design for encoders and decoders that enable the realization of a highly scalable incoherent OCDMA system with rapid reconfigurability. We demonstrate the operation of 4 simultaneous users operating at OC-48 (similar to 2.5 Gbit/s) with a power penalty of < 0.5dB and the reduction of mulliple-access interference using ultra-fast all-optical sampling with newly proposed TOAD-based OCDMA receiver.

ORCID iDs

Glesk, I. ORCID logoORCID: https://orcid.org/0000-0002-3176-8069, Baby, V., Brès, C. S., Prucnal, P. R. and Kwong, W. C.;
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