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Journal Article Experimental Demonstration of Security-improved OCDMA Scheme Based on Incoherent Broadband Light Source and Bipolar Coding
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Authors
Hwan Seok Chung, Sun Hyok Chang, Bong Kyu Kim, Kwang Joon Kim
Issue Date
2008-04
Citation
Optical Fiber Technology, v.14, no.2, pp.130-133
ISSN
1068-5200
Publisher
Elsevier
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1016/j.yofte.2007.09.008
Project Code
07MT1700, ASON based Metro Photonic Cross-Connect Technology, Kim Kwangjoon
Abstract
Experimental demonstration of security-improved optical code-division-multiplexed-access (CDMA) scheme based on spectrally encoded incoherent broadband light source with bipolar coding is presented. Incoherent bipolar encoding is achieved with amplified spontaneous emission (ASE) noise of erbium-doped fiber amplifier. We show details of coding scheme and investigate security issues by measuring eye-diagrams and bit-error-rates for various cases. In addition, we present analytical and numerical simulation results for secure transmission of spectrally encoded incoherent optical CDMA signal. © 2007 Elsevier Inc. All rights reserved.
KSP Keywords
Amplified spontaneous emission (ASE) noise, Broadband light source(BLS), Numerical simulations, Optical CDMA, Optical code, Secure transmission, Security issues, Spectrally encoded, bipolar encoding, coding scheme, erbium-doped fiber amplifier(EDFA)