An optical transceiver device is provided, including an O/E transceiver module, an optical switching module and a switching control module, for providing network communication services for a first and a second optical fiber network equipment. The O/E transceiver module is an integrated chip having multiple transceiver units integrated therein. The switching control module is connected to an in-line equipment and the optical switching module for controlling the optical switching module to execute corresponding optical path switching operation according to an optical path switching control signal output from the inline equipment. In comparison with conventional optical transceiver devices, the invention is advantageous of simple structure, smaller volume and more flexible optical path switching.

Systems and methods include an optical transceiver configured to connect to a fiber cable having a plurality of fiber cores, the optical transceiver including a plurality of transmitters, and a plurality of receivers, wherein the transmitters connect to a first set of the fiber cores in the fiber cable and the receivers connect to a second set of the fiber cores of the fiber cable. The optical transceiver including an array composed of the elements where each element consists of a LED and a Photodetector connected to a programmable wire such that a training algorithm selects which wires become active in the data path. Associated circuitry such as drivers for LEDs and TIAs for PDs are also part of each element.

An automated, robotic patch-panel system in a highly compact form factor implementing Knots and Braids switching algorithms is disclosed. This system incorporates stacked layers of connector ports, each row of connector ports defining an arc with a radius of curvature, wherein the radius of curvature is substantially larger than the total height of the stacked layers. A synchronized gripper pair on a three axis actuation system is used to disconnect, weave and connect fibers arbitrarily across an array of dense connector ports on a curvilinear surface. Each row of connector ports is independently translatable by slight rotation to generate the proper relationship between surrounding fibers and the individual fiber undergoing the multi-step reconfiguration process.

An optical cross-connect apparatus optical nodes in an optical network, the optical nodes being mutually connected through internode connection optical fibers, the optical cross-connect apparatus having: optical cross-connect portions having internode connection input ports and internode connection output ports respectively connected to the internode connection optical fibers, and internal connection input and output ports, the optical cross-connect portions being connected such that an internal connection output port of a predetermined optical cross-connect portion is directly connected to an internal connection input port of another optical cross-connect portion and is indirectly connected via the another optical cross-connect portion to an internal connection output port of a further optical cross-connect portion, at least one optical cross-connect portion of the optical cross-connect portions including an internal connection input port and an internal connection output port for connecting to an optical cross-connect portion for expansion connected to none of the other optical cross-connect portions.

An optical switch and a wavelength division multiplexing optical system are disclosed. In an embodiment an optical switch includes an input port array, an input collimator array, an input micromirror array, an output micromirror array, an output collimator array, and an output port array. All input micromirrors included in the input micromirror array can be deflected in two mutually perpendicular directions. The maximum movable ranges of reflected light that is output after all the input micromirrors reflect incident light with the same incident angle have no common intersection on a plane on which the output micromirror array is located or have a common intersection, and an area of the intersection is less than an area of a reflection region of the output micromirror array.

An apparatus for optical demultiplexing comprising an optical splitter, at least two semiconductor optical elements (SOE's), and an optical gating line arrangement optically coupled to each of the at least two SOE's for altering optical transmission properties of the corresponding SOE.

An optical transceiver device is provided, including an O/E transceiver module, an optical switching module and a switching control module, for providing network communication services for a first and a second optical fiber network equipment. The O/E transceiver module is an integrated chip having multiple transceiver units integrated therein. The switching control module is connected to an in-line equipment and the optical switching module for controlling the optical switching module to execute corresponding optical path switching operation according to an optical path switching control signal output from the inline equipment. In comparison with conventional optical transceiver devices, the invention is advantageous of simple structure, smaller volume and more flexible optical path switching.

An object of present disclosure is to provide a submarine branching unit, a control method, and a non-transitory computer readable medium capable of implementing path switching of optical cables by using a smaller number of optical switches. A submarine branching unit according to the present disclosure includes: first to third optical switches each including first to fourth terminals; and a control unit configured to control a connection of each of the first to third optical switches to a vertical connection or a horizontal connection based on a specified connection state, in which: the first terminal of the first optical switch is connected to an input of a first line of a first path; the second terminal of the first optical switch is connected to the first terminal of the third optical switch.

The present disclosure is an optical path switching node including: a four-way optical switch capable of switching to any one of a first connection state in which a first port and a second port are connected internally, and a third port and a fourth port are connected internally, a second connection state in which the first port and the third port are connected internally, and the second port and the fourth port are connected internally, and a third connection state in which the first port and the fourth port are connected internally, and the second port and the third port are connected internally; a first optical coupler that couples test light to an optical path from the first port in an external direction of the four-way optical switch; a second optical coupler that couples test light to an optical path from the second port in an external direction of the four-way optical switch; a third optical coupler that couples test light to an optical path from the third port in an external direction of the four-way optical switch; and a fourth optical coupler that couples test light to an optical path from the fourth port in an external direction of the four-way optical switch.

Systems and methods include an optical switch system which provides a combination of LED arrays, PDs, imaging fiber cables, and crosspoint switch on a single chip. The system includes one or more input ports with each input port configured to connect to an input fiber bundle. The system additionally includes one or more output ports with each output port configured to connect to an output fiber cable, wherein each of the input fiber bundle and the output fiber cable include a plurality of fiber cores. An electrical crosspoint switch is connected to the one or more input ports and the one or more output ports, wherein the electrical crosspoint switch is configured to connect a given input port to a corresponding output port, including all signals in the input fiber cable to the corresponding output fiber cable.