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DESIGN AND DEMONSTRATION OF A NOVEL INCOHERENT OPTICAL CDMA

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DESIGN AND DEMONSTRATION OF A NOVEL INCOHERENT OPTICAL CDMA SYSTEM
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
code design for a highly scalable,2.5 Gbls per user
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 OCDMA 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 (-2.5 Gbitls) with a power penalty of
一个新颖的不连贯的光学CDMA系统的设计和示范提取提出的A对二维光学代码可测量性的详细的分析,并且二网络部署建筑学为光学代码区分多存取(OCDMA)被谈论.我们提出建筑学和代码设计为一高度可升级,2.5 Gbls每名用户OCDMA系统.系统是可升级的对100潜在和超过10名同时用户,其中每一名与BER少于10-9.系统建筑使用快速的波长卖力,时间传播代码.不同于阶段敏感连贯OCDMA系统,这建筑学运用在时间分配的标准在被锁上的光学脉冲
并且波长领域.这种不连贯的OCDMA方法是与现有的WDM光学网络兼容并且运用现成的组分.我们谈论新颖的光学子系统为使能认识一高度可升级不连贯的编码器和译码器设计
OCDMA系统与迅速reconfigurability.我们展示经营在OC-48的4名同时用户的操作(- 2.5 Gbitls)以