Photonic cross-connector system, WDM system using the same photonic cross-connector, and optical communication network based on the same WDM system
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United States of America Patent
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Jul 6, 2010
Grant Date -
Apr 3, 2008
app pub date -
May 8, 2007
filing date -
Sep 29, 2006
priority date (Note) -
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Abstract
Provided are a photonic cross-connector system, a wavelength division multiplexing (WDM) system using the photonic cross-connector system, and an optical communication network based on the WDM system. The photonic cross-connector system includes: an optical coupler branching an input optical signal into a plurality of paths; a wavelength selective switch (WSS) extracting at least one wavelength signal from the input optical signal and outputting the extracted wavelength signal to at least one port; a WDM multi-casting apparatus simultaneously copying and reproducing the input optical signal into different wavelengths and changing modulation methods of the input optical signal into different types of modulation methods; an optical transmitter and/or receiver branching and coupling the input optical signal; and a control system controlling the optical coupler, the WSS, the WDM multicasting apparatus, and the optical transmitter and/or receiver.
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