WAVELENGTH ROUTING DEVICE
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United States of America Patent
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app pub date -
Apr 19, 2016
filing date -
Nov 5, 2013
priority date (Note) -
Abandoned
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Abstract
A wavelength routing device is disclosed, wherein the device includes: a primary circuit, and a secondary circuit, where the primary circuit includes N 2×2 wavelength switches, the secondary circuit includes two N×N wavelength routers, and each N×N wavelength router includes at least one 2×2 wavelength switch, where a value of N is 2n, n being a positive integer; and an input port of each 2×2 wavelength switch in the primary circuit is connected to an input stage, an output port of each 2×2 wavelength switch is connected to an input port of an N×N wavelength router of the secondary circuit, and an output port of the N×N wavelength router of the secondary circuit is connected to an output stage.
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