Demonstration and Analysis of Asynchronous and Survivable Optical CDMA Ring Networks

We propose an incoherent optical code-division multiple access (CDMA) ring network configured such that each node in the network includes all-optical add/drop multiplexers to provide truly asynchronous operation and a self-healing protection monitoring circuit to ensure service availability during l...

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Bibliographic Details
Published in:Journal of optical communications and networking 2010-04, Vol.2 (4), p.159-165
Main Authors: Deng, Yanhua, Wang, Zhenxing, Kravtsov, Konstantin, Chang, John, Hartzell, Carolyn, Fok, Mable P., Prucnal, Paul R.
Format: Article
Language:English
Subjects:
Add-drop multiplexers
Add/drop multiplexer
Asynchronous network
Availability
Bit error rate
Circuits
Code division multiple access
Condition monitoring
Failure
Links
Multiaccess communication
Multiple access
Multiple access interference
Multiplexers
Networks
Noise levels
Nonlinear optical loop mirror
Optical add-drop multiplexers
Optical code-division multiple access
Optical fiber networks
Performance analysis
Protection
Ring network
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Summary:We propose an incoherent optical code-division multiple access (CDMA) ring network configured such that each node in the network includes all-optical add/drop multiplexers to provide truly asynchronous operation and a self-healing protection monitoring circuit to ensure service availability during link failure. We also analyze the performance of such a network considering the presence of multiple-access interference and noise from incomplete dropping of the desired data and accidental dropping of the undesired data. Furthermore, we experimentally demonstrate the proposed design with a two-node system operating at 2.5 Gbits/s. Error-free transmission is obtained and a 5.3 dB power penalty at a bit error rate of 10−9 is measured for the worst connection configuration. The complete optical CDMA ring network is successfully demonstrated in truly asynchronous operation.
ISSN:1943-0620
1943-0639
DOI:10.1364/JOCN.2.000159