Back to results
US 2014/0270760 A1Published application
Twin Multicast Switch
AssigneeOplink Communications, Inc.
InventorsKesheng Xu, Kun Liu, Lifu Gong, Feng Qing Zhou
Life of this patent
Estimating the term…
Abstract
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for optical switching. An optical switch device includes a first multicast switch unit; and a second multicast switch unit, wherein each of the first and second multicast switch units respectively include: multiple optical input ports; multiple optical switches; multiple optical splitters/combiners; and multiple optical output ports.
Claims11
An optical device comprising:
- a drop optical multicast switch unit, comprising:
- a plurality of input optical ports,
- a plurality of optical splitters, each optical splitter coupled to a corresponding input optical port,
- a plurality of optical switches, each optical switch coupled to each optical splitter of the plurality of optical splitters, and
- a plurality of output optical ports;
- and
- an add optical multicast switch unit, comprising;
- a plurality of input optical ports;
- a plurality of optical switches, each optical switch coupled to a corresponding input optical port;
- a plurality of optical combiners, each optical combiner coupled to each optical switch of the plurality of optical switches, and
- a plurality of output optical ports coupled to a corresponding optical combiner.
8 more elements
A twin multicast switch module comprising:
- a first multicast switch unit;
- and
- a second multicast switch unit,
- wherein each of the first and second multicast switch units respectively comprises:
- a plurality of optical input ports;
- a plurality of optical switches;
- a plurality of optical splitters/combiners;
- and
- a plurality of optical output ports.
6 more elements
Dependencies are inferred from the claim text.