OPTICAL SWITCHING AND TERMINATION APPARATUS AND METHODS
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United States of America Patent
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Issued Date -
Dec 29, 2011
app pub date -
Jun 24, 2010
filing date -
Jun 24, 2010
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus for selective subscriber service connect and disconnect in a fiber-optic network. In one embodiment, disconnect is achieved by the purposeful use of signal attenuation due to macrobending losses within the optical fiber. In another embodiment, the macrobending optical switch apparatus is used to merely decrease signal intensity to the point where the value of the service cannot be received. In a further embodiment, the macrobending signal loss is used to protect the network from unwanted interference signals that may disturb the network operation. In another embodiment, the macrobending switch apparatus is used to selectively induce chromatic dispersion within one or more wavelengths of light being carried on the fiber, thereby providing for range-selective service disconnect or denial. Optical multiplexer apparatus is also utilized to remotely connect ore reconnect service to selected subscriber premises or network nodes.
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