An optical antenna may permit a duplex link formed by a transmit, Tx, beam towards a partner optical antenna and a receive, Rx, beam from the partner antenna. The antenna includes: a proximal path including a bidirectional waveguide for duplex propagation of the duplex link from a Tx source of the Tx beam and towards a receiver of the Rx beam; a distal path for a duplex propagation of the duplex link from/towards the partner optical antenna; a beam shaper positioned in the distal path to shape a duplex propagation pattern of the duplex link; and a controller controlling the beam shaper to adaptively shape the propagation pattern to enclose: a first position of the partner antenna at the transmission of the Rx beam; and a second of the partner antenna at the reception of the Tx beam.

Embodiments are generally directed apparatuses, methods, techniques and so forth to select two or more processing units of the plurality of processing units to process a workload, and configure a circuit switch to link the two or more processing units to process the workload, the two or more processing units each linked to each other via paths of communication and the circuit switch.

An optical interconnection system and method are provided. The system includes two or more basic components that are stacked and interconnected. The basic component includes an optical network layer and an electrical layer, where in each basic component, the optical network layer is electrically interconnected with the electrical layer, and the optical network layer of each basic component is optically interconnected with an optical network layer of an adjacent basic component, and through optical interconnection in three-dimensional space, a limitation on a quantity of stacked electrical layers is reduced, and efficiency of signal transmission is increased.

A large-scale switching system deployed as a global network or a large-scale data center includes a large number of access nodes (edge nodes) interconnected through optical or electronic rotators. The rotators are logically arranged in a matrix and each access node has a channel to each rotator in a respective row and a channel from each rotator of a respective column of the matrix. A dual timing circuit coupled to a diagonal rotator pair exchanges timing data with edge nodes connecting to the diagonal rotator pair to facilitate temporal alignment of data received at input ports of each rotator. Each access node has a path to each other access node traversing only one of the rotators. The rotators may be arranged into constellations of collocated rotators to facilitate connectivity of access nodes to rotators using wavelength-division-multiplexed links.

An optical add-drop apparatus dropping a signal in input optical fibers in an optical cross-connect apparatus or adding a signal into output optical fibers from the cross-connect apparatus, optical cross-connect portions of the cross-connect apparatus connected such that a cross-connect portion internal connection output port is directly connected to an internal connection input port of another cross-connect portion and is indirectly connected via the other cross-connect portion to an internal connection output port of a further cross-connect portion, the add-drop apparatus having: photocouplers connected to part or all of the input fibers connected to each cross-connect portion; and drop signal receiving apparatuses each having optical switches each receiving and alternately selecting a signal output from photocouplers connected to respective different cross-connect portions of the cross-connect portions out of the photocouplers, the drop signal receiving apparatuses selecting a signal of a wavelength for each signal respectively output from the optical switches.

A method in an optical Wavelength Selective Switch, WSS, for multidirectional switching of optical signals. The optical WSS comprises a reflective element, a first tributary port and a second tributary port. The optical WSS switches (304) an optical signal between the first tributary port and the second tributary port with the reflective element.

Embodiments may be generally direct to apparatuses, systems, method, and techniques to determine a configuration for a plurality of connectors, the configuration to associate a first interconnect protocol with a first subset of the plurality of connectors and a second interconnect protocol with a second subset of the plurality of connectors, the first interconnect protocol and the second interconnect protocol are different interconnect protocols and each comprising one of a serial link protocol, a coherent link protocol, and an accelerator link protocol, cause processing of data for communication via the first subset of the plurality of connectors in accordance with the first interconnect protocol, and cause processing of data for communication via the second subset of the plurality of connector in accordance with the second interconnect protocol.

Embodiments of the present application provide a submarine optical cable system for reducing the complexity of the submarine optical cable system. The submarine optical cable system comprises a first trunk station, a second trunk station, a branch station, first XC equipment, second OXC equipment, a trunk fiber set and a branch fiber. The trunk fiber set at least comprises a first trunk fiber and a second trunk fiber. The branch station is connected with the second trunk fiber arranged between the first OXC equipment and the second OXC equipment through the branch fiber. The first trunk station is configured for sending a first service through a first transmission channel in a first transmission channel set and sending a second service through a second transmission channel in a second transmission channel set. The first OXC equipment is configured for transferring the first transmission channel to the second trunk fiber. The branch station is configured for uploading or downloading the first service and the second service through the second trunk fiber. The second OXC equipment is configured for transferring the transferred first transmission channel to the first trunk fiber.

An optoelectronic switch for transferring an optical signal from a source external client device to a destination external client device, includes a leaf rack unit having thereon a leaf switch assembly including: a leaf switch having a plurality of fabric ports including a first fabric port and a second fabric port; and a fabric port multiplexer associated with the leaf switch, arranged to combine a first signal from the first fabric port and a second signal from the second fabric port onto a first connection, in the form of an outgoing first multiplexed signal. The optoelectronic switch further includes a spine rack unit including: a plurality of spine switches including a first spine switch having a fabric port and a second spine switch having a fabric port; and a demultiplexer arranged to separate an incoming multiplexed signal received from a first connection into a first signal and a second signal, the first signal directed towards the fabric port of the first spine switch and the second signal directed towards the fabric port of the second spine switch.

This application discloses an optical backplane system, which includes a first upper-level optical interconnection module, a first lower-level optical interconnection module, and a second lower-level optical interconnection module. The first upper-level optical interconnection module includes M1 first interfaces and N1 second interfaces in connection relationships. The first lower-level optical interconnection module includes L1 third interfaces and K1 fourth interfaces in connection relationships. The second lower-level optical interconnection module includes L2 third interfaces and K2 fourth interfaces in connection relationships. The first upper-level optical interconnection module is connected to one of the L1 third interfaces of the first lower-level optical interconnection module by using one of the N1 second interfaces. The first upper-level optical interconnection module is connected to one of the L2 third interfaces of the second lower-level optical interconnection module by using another one of the N1 second interfaces.