Optical transmission device, optical transmission device production method, and optical cable system
AssigneeNEC Corporation
InventorHideo Asada
Life of this patent
Estimating the term…
Abstract
An optical transmission device being connected to an optical cable including a first multicore fiber including a plurality of cores, the optical transmission device including: an optical processor including a multicore fiber interface including a second multicore fiber including a plurality of cores being able to be fusion-spliced to an end portion of the first multicore fiber; and at least one optical component being connected to the multicore fiber interface and being configured to execute predetermined processing on each piece of light being coupled to the plurality of cores of the multicore fiber interface.
Claims12
An optical transmission device being connected to an optical cable including a first multicore fiber including a plurality of cores, the optical transmission device comprising:
- an optical processor including:
- a multicore fiber interface including a second multicore fiber including a plurality of cores being able to be fusion-spliced to an end portion of the first multicore fiber;
- and
- at least one optical component being connected to the multicore fiber interface and being configured to execute predetermined processing on each piece of light being coupled to the plurality of cores of the multicore fiber interface, wherein
- the optical component includes:
- a third multicore fiber;
- a fourth multicore fiber;
- and
- a rotator,
- a cross section of the third multicore fiber and a cross section of the fourth multicore fiber face with each other on a same center axis, and
- the rotator controls a rotation amount of the fourth multicore fiber about the center axis.
An optical cable system comprising:
- an optical transmission device being connected to an optical cable including a first multicore fiber including a plurality of cores, the optical transmission device comprising:
- an optical processor including:
- a multicore fiber interface including a second multicore fiber including a plurality of cores being able to be fusion-spliced to an end portion of the first multicore fiber;
- and
- at least one optical component being connected to the multicore fiber interface and being configured to execute predetermined processing on each piece of light being coupled to the plurality of cores of the multicore fiber interface;
- and
- a plurality of terminal stations being connected to the optical transmission device via the optical cables different from one another, wherein
- the optical component includes:
- a third multicore fiber;
- a fourth multicore fiber;
- and
- a rotator,
- a cross section of the third multicore fiber and a cross section of the fourth multicore fiber face with each other on a same center axis, and
- the rotator controls a rotation amount of the fourth multicore fiber about the center axis.
A method of manufacturing an optical transmission device being connectable to a first multicore fiber that is provided to an optical cable and includes a plurality of cores, the method comprising:
- fusion-splicing an optical processor to the optical cable at one end of the multicore fiber interface,
- the optical processor including:
- a multicore fiber interface including a second multicore fiber including a plurality of cores being connectable to an end portion of the first multicore fiber;
- and
- at least one optical component being connected to another end of the multicore fiber interface and being configured to execute predetermined processing on each piece of light coupled to the plurality of cores of the multicore fiber interface, wherein
- the optical component includes:
- a third multicore fiber;
- a fourth multicore fiber;
- and
- a rotator,
- a cross section of the third multicore fiber and a cross section of the fourth multicore fiber face with each other on a same center axis, and
- the rotator controls a rotation amount of the fourth multicore fiber about the center axis.
Dependencies are inferred from the claim text.