Variable light signal delay apparatus, and variable light signal delay system using the same

A variable light signal delay apparatus includes a first delay optical fiber, a second delay optical fiber having a length different from the first delay optical fiber, and an optical switch having two input ports, two output ports, and paths, through which a light signal propagates, provided betwee...

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Bibliographic Details
Main Authors Wada, Morio, Miura, Akira, Sato, Chie, Ikezawa, Katsuya, Yakihara, Tsuyoshi
Format Patent
LanguageEnglish
Published 28.07.2009
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Summary:A variable light signal delay apparatus includes a first delay optical fiber, a second delay optical fiber having a length different from the first delay optical fiber, and an optical switch having two input ports, two output ports, and paths, through which a light signal propagates, provided between the first delay optical fiber and the second delay optical fiber, in which a light signal input from at least one of the input ports propagated through either the first delay optical fiber or the second delay optical fiber or through neither the first delay optical fiber nor the second delay optical fiber to be output from a desired first output port.