The Design and Implementation of Scrambling Wavelength Hopping with AWG Router and Optical Switch over Secure WDM Network

Yao-Tang Chang; Hsu-Chih Cheng; Yih-Chuan Lin; Yu-Xiang Zheng

Yao-Tang Chang Department of Information Technology Kao Yuan University Kaohsiung, Taiwan.
Hsu-Chih Cheng Department of Electro-Optical Engineering, National Formosa University, Yunlin, Taiwan, ROC
Yih-Chuan Lin Department of Computer Science and Information Engineering, National Formosa University, Taiwan, ROC
Yu-Xiang Zheng Department of Electro-Optical Engineering, National Formosa University, Yunlin, Taiwan, ROC

Keywords: arrayed waveguide grating, wavelength hopping, wavelength division multiplexing, optical switch, photo-detector

Abstract

In current experimental design, by exchanging the optical switch configured in front of arrayed waveguide grating (AWG) router, the wavelength hopping configuration was implemented over wavelength division multiplexing (WDM) network. In addition, in order to enhance the variable wavelength hopping pattern of proposed scheme, the transceiver oscillators were used to trigger the optical switch by a series of random and un-predictable electrical signal. The experiment results proved possible solution of secure WDM network that the wavelength hopping effect was monitored by optical spectrum analyzer (OSA) in optical domain. By using the oscilloscope for monitoring, the results showed the transmitted analogy signal of 10MHzwas extracted correctly by photo-detector while the wavelength hopping is happened

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