Demonstration of optical steganography transmission using temporal phase coded optical signals with spectral notch filtering

被引：39

作者：

Hong, Xuezhi ^{[1
]}

Wang, Dawei ^{[1
]}

Xu, Lei ^{[2
]}

He, Sailing ^{[1
]}

机构：

[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, JORCEP KTH ZJU Joint Res Ctr Photon, Hangzhou 310058, Zhejiang, Peoples R China

[2] NEC Labs Amer, Princeton, NJ 08540 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 12期

关键词：

FIBER BRAGG GRATINGS; OCDMA SYSTEM; NETWORK; CDMA; INTERFERENCE; THRESHOLDER; SUPPRESSION; PERFORMANCE;

D O I：

10.1364/OE.18.012415

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel approach is proposed and experimentally demonstrated for optical steganography transmission in WDM networks using temporal phase coded optical signals with spectral notch filtering. A temporal phase coded stealth channel is temporally and spectrally overlaid onto a public WDM channel. Direct detection of the public channel is achieved in the presence of the stealth channel. The interference from the public channel is suppressed by spectral notching before the detection of the optical stealth signal. The approach is shown to have good compatibility and robustness to the existing WDM network for optical steganography transmission. (C) 2010 Optical Society of America

引用

页码：12415 / 12420

页数：6

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