Patent ID: 11881897
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A photo-electron fusion switch that includes a packet switch and an optical device and is connected to nodes of a communication source and a communication partner, wherein
the packet switch includes an electronic circuit and a plurality of optical transmit and receive components each having a photoelectric conversion function and provided in a vicinity of the electronic circuit,
a route connecting the electronic circuit and the plurality of optical transmit and receive components is wiring through which electric signals pass,
a route connecting the plurality of optical transmit and receive components and the optical device and a route connecting the optical device or the plurality of optical transmit and receive components and input-output ports of the photo-electron fusion switch are optical waveguides, and
the plurality of optical transmit and receive components configured to transmit and receive optical signals different in transmission speed to and from the nodes of the communication source and the communication partner, and are configured to input the optical signals transmitted from the nodes, output converted electric signals to the electronic circuit, and transmit optical signals obtained by converting electric signals output from the electronic circuit to the nodes, wherein
the optical device includes multiplexing and separating components, and an optical line switching device having a cross-connection function for setting optical line connection between the plurality of optical transmit and receive components,
the plurality of optical transmit and receive components supporting coherent communications,
the multiplexing and separating components are provided between the nodes and the plurality of optical transmit and receive components, and simultaneously transmit and receive the optical signals different in transmission speed to and from the nodes via the optical waveguides,
the optical device is a waveguide type optical switch fabricated by PLC Planar Lightwave Circuit) technique,
the electronic circuit, the plurality of optical transmit and receive components, the waveguide type optical switch, the wiring, and the optical waveguides are mounted on an upper surface of the same substrate,
the wiring and the optical waveguide configure an optical waveguide equipped interposer, and
the electronic circuit, the plurality of optical transmit and receive components, and the waveguide type optical switch are arranged on the same plane of an upper surface of the optical waveguide equipped interposer in a mounting state.