WDM optical steganography based on amplified spontaneous emission noise

被引：19

作者：

Wu, Ben ^{[1
]}

Tait, Alexander N. ^{[1
]}

Chang, Matthew P. ^{[1
]}

Prucnal, Paul R. ^{[1
]}

机构：

[1] Princeton Univ, Lightwave Commun Lab, Dept Elect Engn, Princeton, NJ 08544 USA

来源：

OPTICS LETTERS | 2014年 / 39卷 / 20期

关键词：

FILTERS; DESIGN;

D O I：

10.1364/OL.39.005925

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate a wavelength-division multiplexed (WDM) optical stealth transmission system carried by amplified spontaneous emission (ASE) noise. The stealth signal is hidden in both time and frequency domains by using ASE noise as the signal carrier. Each WDM channel uses part of the ASE spectrum, which provides more flexibility to apply stealth transmission in a public network and adds another layer of security to the stealth channel. Multi-channel transmission also increases the overall channel capacity, which is the major limitation of the single stealth channel transmission based on ASE noise. The relations between spectral bandwidth and coherence length of ASE carrier have been theoretically analyzed and experimentally investigated. (C) 2014 Optical Society of America

引用

页码：5925 / 5928

页数：4

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