Optical cross-connect node and optical signal switching method
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United States of America Patent
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May 14, 2019
Grant Date -
Feb 1, 2018
app pub date -
Oct 10, 2017
filing date -
Apr 13, 2015
priority date (Note) -
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Abstract
An optical cross-connect node includes a first optical switching switch, a second optical switching switch, a wave-dropping wavelength switching switch, a wave-adding wavelength switching switch, and a pass-through dimension switching switch. The first optical switching switch receives an optical signal, where the optical signal includes a first optical signal and/or a second optical signal. The first optical switching switch sends the first optical signal to the wave-dropping wavelength switching switch. The first optical switching switch sends the second optical signal to the pass-through dimension switching switch. The wave-dropping wavelength switching switch performs wavelength switching on the first optical signal. The wave-adding wavelength switching switch performs wavelength switching on a third optical signal generated locally and sends it to the second optical switching switch. The pass-through dimension switching switch performs dimension switching on the second optical signal and sends, to the second optical switching switch, the second optical signal that has undergone dimension switching.
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