Optical switch, an optical network node and an optical network
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United States of America Patent
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Aug 20, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jan 22, 2015
filing date -
Jan 22, 2015
priority date (Note) -
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Abstract
There is provided an optical switch. The optical switch comprises a first optical waveguide, a second optical waveguide, a first optical ring resonator and a second optical ring resonator. The first optical ring resonator is arranged between the first optical waveguide and the second optical waveguide, wherein the first optical ring resonator is capable of coupling an optical signal travelling along the first optical waveguide in a first direction to the second optical waveguide such that the optical signal travels in a second direction along the second optical waveguide. The second optical ring resonator is arranged between the first optical waveguide and the second optical waveguide; wherein the second optical ring resonator is capable of coupling an optical signal travelling along the first optical waveguide in the first direction to the second optical waveguide such that the optical signal travels in a third direction along the second optical waveguide opposite to the second direction. There is also provided an optical network node and an optical network.
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