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Polymers 2011, 3(3), 1554-1564; doi:10.3390/polym3031554

Article

Polymeric Optical Code-Division Multiple-Access (CDMA) Encoder and Decoder Modules

Xuejun Lu ^1,*  and Ray T. Chen ²

¹ Department of Electrical and Computer Engineering, University of Massachusetts Lowell, 1 University Avenue, Lowell, MA 01854, USA ² Microelectronics Center, University of Texas Austin, 10100 Burnet Rd, Austin, TX 78758, USA

* Author to whom correspondence should be addressed.

Received: 1 August 2011; in revised form: 31 August 2011 / Accepted: 13 September 2011 / Published: 19 September 2011

(This article belongs to the Special Issue Polymers for Optical Applications)

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Abstract: We propose a low cost polymeric optical waveguides-based optical CDMA encoder and decoder modules. The structures of the optical CDMA encoder and decoder modules are presented. The performance of the optical CDMA encoder and decoder modules is simulated using 10-chip binary phase-shift keying (BPSK) coding schemes. The optical CDMA encoder and decoder modules can effectively transmit and recover optical CDMA data streams. The SNR of the received signal is analyzed and determined to be primarily from the cross correlation with other channels.

Keywords: polymer optical waveguide; optical CDMA; thermal optical effect

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