Back to results
US 12,732,274 B2Granted
Optical transmission system, optical device, and optical processing method
AssigneeNEC Corporation
InventorTakanori Inoue
Life of this patent
Estimating the term…
Abstract
When a terminal point of an optical signal propagating through a submarine cable is extended in an optical transmission system, development man-hours and costs are increased. Thus, the optical transmission system according to the present invention includes: a first optical device configured to be connected to a plurality of first fibers and a second fiber associated with each of the plurality of first fibers; and a second optical device configured to be connected to the second fiber, the first optical device and the second optical device each include an optical function block, and the optical function block is configured to achieve an optical function defined for each of the plurality of first fibers.
Claims13
An optical transmission system comprising:
- a first optical device configured to be connected to a plurality of first fibers and a second fiber associated with each of the plurality of first fibers;
- and
- a second optical device configured to be connected to the second fiber, wherein
- the first optical device and the second optical device each include an optical function block, and
- the optical function block is configured to achieve an optical function defined for each of the plurality of first fibers,
- the optical function block in the second optical device achieves the optical function for each of the plurality of first fibers through connection with the second fiber associated with each of the plurality of first fibers,
- the optical function block includes an optical interface block including an optical interface,
- the first optical device includes a first optical interface block being the optical interface block for each of the plurality of first fibers, and
- the second optical device includes a second optical interface block being the optical interface block that is associated with the second fiber,
- the optical function block includes:
- a dummy light generation block including a dummy light generator to generate dummy light;
- a submarine device control block including a controller for a submarine device connected to the plurality of first fibers;
- an optical demultiplexing block including a demultiplexer for an optical signal;
- and
- an optical amplification block including an optical amplifier, and
- at least one of the first optical device and the second optical device further includes at least one of the dummy light generation block, the submarine device control block, the optical demultiplexing block, and the optical amplification block, and
- the dummy light generation block includes:
- the dummy light generator;
- an optical splitter configured to split the dummy light and output a plurality of parts of split dummy light;
- a first output connector configured to simultaneously output the plurality of parts of split dummy light;
- and
- a second output connector configured to output the dummy light.
19 more elements
An optical device comprising:
- a first connector configured to be connected to a plurality of first fibers;
- a second connector configured to be connected to a second fiber associated with each of the plurality of first fibers;
- and
- an optical function block configured to achieve an optical function defined for each of the plurality of first fibers, wherein
- the optical function block includes an optical interface block including an optical interface for each of the plurality of first fibers,
- the optical function block further includes at least one of:
- a dummy light generation block including a dummy light generator to generate dummy light;
- a submarine device control block including a controller for a submarine device to be connected to the plurality of first fibers;
- an optical demultiplexing block including a demultiplexer for an optical signal;
- and
- an optical amplification block including an optical amplifier, and the dummy light generation block includes:
- the dummy light generator;
- an optical splitter configured to split the dummy light and output a plurality of parts of split dummy light;
- a first output connector configured to simultaneously output the plurality of parts of split dummy light;
- and
- a second output connector configured to output the dummy light.
13 more elements
An optical processing method comprising:
- subjecting first light to first optical processing, the first light propagating through a plurality of first fibers;
- and
- subjecting second light to second optical processing, the second light propagating through a second fiber associated with each of the plurality of first fibers, wherein
- the first optical processing and the second optical processing are processes of achieving an optical function defined for each of the plurality of first fibers,
- the first optical processing and the second optical processing achieve the optical function by combining any of processing of introducing dummy light as at least one of the first light and the second light, processing of controlling a submarine device to be connected to the plurality of first fibers, processing of demultiplexing at least one of the first light and the second light, and processing of amplifying at least one of the first light and the second light, and
- the first optical processing includes processing of introducing the dummy light being the first light, and the processing of introducing the dummy light includes processing of generating the dummy light, processing of splitting the dummy light and generating a plurality of parts of split dummy light, and processing of simultaneously introducing the plurality of parts of split dummy light to each of the plurality of first fibers.
3 more elements
Dependencies are inferred from the claim text.