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학술지 Experimental Demonstration of Security-improved OCDMA Scheme Based on Incoherent Broadband Light Source and Bipolar Coding
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저자
정환석, 장순혁, 김봉규, 김광준
발행일
200804
출처
Optical Fiber Technology, v.14 no.2, pp.130-133
ISSN
1068-5200
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.yofte.2007.09.008
협약과제
07MT1700, ASON 기반의 메트로 광 회선 분배 기술개발, 김광준
초록
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.
키워드
Bipolar coding, Incoherent source, OCDMA, Security
KSP 제안 키워드
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)