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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
- 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)