631results about "Electromagnetic network arrangements" patented technology

Various embodiments provide for electro-photonic networks, including a plurality of processing elements connected by bidirectional photonic channels, suited for implementing neural-network models. Weights of the model may be preloaded into memory of the processing elements based on assignments of neural nodes to processing elements implementing them, and routers of the processing elements can be configured to stream activations between the processing elements based on a predetermined flow of activations in the model.

Aspects of the subject disclosure may include, for example, determining whether a first device is communicating under a bandwidth surplus with a fixed network, wherein the bandwidth surplus results at least in part from use by the first device of one or more link aggregation groups, wherein the one or more link aggregation groups comprise one or more satellite broadband communication channels as well as licensed cellular wireless spectrum, unlicensed wireless spectrum, or a combination of the licensed cellular and unlicensed spectrum; determining whether a second device is communicating under a bandwidth deficit with the fixed network; and responsive to the first device communicating under the bandwidth surplus and responsive to the second device communicating under the bandwidth deficit, allocating at least a portion of the bandwidth surplus associated with the first device to the second device. Other embodiments are disclosed.

A redundancy link includes a first optical splitter and a second optical splitter. The first optical splitter includes (i) a first hub-side port that optically couples to a first optical line terminal, a first hub-side failover-mode port, (iii) a first plurality of node-side splitter-ports each optically coupled to the first hub-side port and the first hub-side failover-mode port, (iii) a first failover-mode port coupled to the first hub-side port. The second optical splitter includes (i) a second hub-side port that optically couples to a second optical line terminal, a second hub-side failover-mode port optically coupled to the first failover-mode port, (iii) a second plurality of node-side splitter-ports each optically coupled to the second hub-side port and the second hub-side failover-mode port, (iii) a second failover-mode port coupled to the second hub-side port.

The invention provides an optical network communication method and a communication device, the method is applied to an optical fiber network, the optical fiber network comprises a master device and at least one slave device, and the at least one slave device comprises a first slave device. Wherein in the initialization phase, after receiving the authentication encryption capability of the slave device, the master device can indicate a determined authentication encryption mode (e.g., a first authentication encryption mode) to the slave device, so that the authentication encryption capability of the slave device is enhanced in a subsequent process (e.g., a roaming parameter configuration process). The master device does not need to configure security-related parameters such as an authentication encryption mode for the slave device, so that the configuration efficiency is improved, and the configuration overhead is saved.

Embodiments of the present application relate to the technical field of data transmission, and provide a high-speed optical communication connector and a server. Multiplexing of a module low-speed signal MODSEL and a negative clock signal is realized by means of a first signal pin, and multiplexing of an optical module reset signal or a positive clock signal is realized by means of a second signal pin, so that a high-speed optical communication connector comprising the first signal pin and the second signal pin can achieve both optical signal data transmission and PCIe protocol signal transmission, long-distance data transmission of PCIE bus data is achieved on the basis of an existing optical fiber network, the transmission efficiency of the PCIE bus data is improved, and resource waste of existing network infrastructure is avoided.

This system and method of for providing a tunable orbital angular momentum system for providing higher order Bessel beams comprising: an acousto-optical deflector configured to receive an input beam, deflect a first portion of the input beam a first deflection angle relative to an axis of propagation and along an optical axis and deflect a second portion of the input beam a second deflection angle relative to the optical axis; a line generator disposed along the optical angle for receiving the first portion and the second portion of the input beam and provide an elliptical Gaussian mean; a log-polar optics assembly disposed along the optical angle for receiving the elliptical Gaussian beam and wrapping the elliptical Gaussian beam with an asymmetric ring; and, a Fourier lens configured to receive the wrapped elliptical Gaussian beam.

Electro-photonic networks, including a plurality of processing elements connected by bidirectional photonic channels, suited for implementing neural-network models. Weights of the model may be preloaded into memory of the processing elements based on assignments of neural nodes to processing elements implementing them, and routers of the processing elements can be configured to stream activations between the processing elements based on a predetermined flow of activations in the model.

The invention provides an optical network communication method and a communication device, the method is applied to an optical fiber network, the optical fiber network comprises a master device and at least one slave device, and the at least one slave device comprises a first slave device. Wherein in the initialization phase, after receiving the authentication encryption capability of the slave device, the master device can indicate a determined authentication encryption mode (e.g., a first authentication encryption mode) to the slave device, so that the authentication encryption capability of the slave device is enhanced in a subsequent process (e.g., a roaming parameter configuration process). The master device does not need to configure security-related parameters such as an authentication encryption mode for the slave device, so that the configuration efficiency is improved, and the configuration overhead is saved.

The present disclosure includes a compute express link (CXL) switch having a switch fabric, that includes a first plurality of electrical ports, each electrical port of the first plurality of electrical ports configured for electrical communication to a host. There are a second plurality of electrical ports and at least one processor communicatively coupled to the first and second pluralities of electrical ports. There is a memory and an optical engine directly coupled to the switch fabric. The optical engine includes a plurality of converters, each converter of the plurality of converters corresponding to one electrical port of the second plurality of electrical ports and configured to at least one of convert an electrical signal to an optical signal or an optical signal to an electrical signal. There are a plurality of optical ports, each optical port of the plurality of optical ports corresponding to one converter of the plurality of converters and configured for optical communication to a device.

Various embodiments provide for clock signal distribution within a processor, such as a machine learning (ML) processor, using a photonic fabric.

A communication network includes a coherent optics transmitter, a coherent optics receiver, an optical transport medium operably coupling the coherent optics transmitter to the coherent optics receiver, and a coherent optics interface. The coherent optics interface includes a lineside interface portion, a clientside interface portion, and a control interface portion.

A WXC device includes: input ports; output ports; a wavelength conversion unit including input-side WSSes, wavelength converters, and output-side WSSes; and a controller. The input-side WSSes each output an optical signal input from a corresponding one of the input ports to a selected one of the wavelength converters. The wavelength converters each convert a wavelength band of the optical signal input from each of the input-side WSSes into another wavelength band and output the converted optical signal to a respective one of the output-side WSSes. The output-side WSSes each perform route switching on the optical signal input from the respective one of the wavelength converters toward a selected one of the output ports. The controller manages, for each of the wavelength converters, whether the wavelength converter is unused and controls the input-side WSSes each to output the input optical signal to one of the unused wavelength converters.

The invention discloses an optical communication system and an optical communication method. An optical communication system includes a first device, an optical splitter, and a plurality of second devices. The first device is used for sending a first optical signal, the first optical signal is respectively transmitted to the plurality of second devices after being shunted by the optical splitter, and the first optical signal carries an analog radio frequency signal. The plurality of second devices are used for sending second optical signals respectively, the plurality of second optical signals are transmitted to the first device after passing through the optical splitter, and each second optical signal carries an analog radio frequency signal. The optical signal for communication between the first device and the second device bears the analog radio frequency signal, and the analog radio frequency signal does not need to be converted into a digital signal, packaged into an optical protocol frame format and then modulated into the optical signal. In this way, communication between the first device and the second device does not involve the optical protocol conversion process of optical protocol frame format encapsulation and de-encapsulation, the service delay of the system is reduced, the system structure is simpler, and power consumption and cost are reduced.

The invention relates to a chip and a module for optical interconnection, and a device and a system using the optical interconnection module. The chip comprises photon integrated circuit sub-modules, each sub-module comprises a plurality of first optical switching units, and each first optical switching unit is configured to selectively output an optical signal input by a first optical input port of the first optical switching unit through any optical output port; an on-chip optical switch which is optically connected with the first optical switching unit and is configured to select an output port to output an optical signal input by any one optical input port of the on-chip optical switch; a plurality of modulators optically connected to the first optical switching unit; a plurality of detectors, at least a portion of which is optically connected to the on-chip optical switch; a plurality of first optical couplers configured to optically connect the first optical switching unit with a first external optical fiber array; and a second optical coupler in optical connection with at least a portion of the detector and configured to transmit the optical signal from the second external optical fiber array to the portion of the detector.

The invention provides an optical network communication method and device, and the method comprises the steps: a first slave device can receive a rate amplification factor from a main device, and the rate amplification factor is an adjustment coefficient of a first rate (i.e., the attribute value of a CIR attribute / PIR attribute); the first slave device determines a second rate (i.e., a valid CIR / PIR of the first slave device) by means of the rate amplification factor and the first rate. Therefore, even if the value of the first rate is limited, the effective CIR / PIR of the first slave device can be adjusted through the rate amplification factor. In other words, on the basis of not changing the existing attributes, the value of the CIR / PIR used by the first slave device during working is expanded. And the CIR / PIR configuration problem of a 50G PON and a future higher-rate PON is solved.

An optical communication device includes: a first optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; a second optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; and a multicast transfer unit configured to perform multicast transfer of an optical signal transmitted from a first device connected to the first optical switch to one or more second devices connected to the second optical switch.

An optical communication apparatus includes an optical switch, a wavelength management control unit, and an optical switch control unit. The optical switch is connected to a plurality of transmission lines and outputs an optical signal input from one of the transmission lines to another of the transmission lines. The wavelength management control unit assigns a wavelength to a subscriber terminal according to a communication destination. The optical switch control unit controls the optical switch such that it outputs an optical signal transmitted from the subscriber terminal, to which a wavelength has been assigned, to a transmission line corresponding to its forwarding destination on a path to the communication destination.

An assembly and method of use are herein disclosed. The assembly comprises a passive guide, an antenna, and an electromagnetic absorber. The passive waveguide has a cross-section dimension, and carries an electromagnetic wave having data encoded within a carrier frequency in a range of 500 GHz to 10 THz wherein the electromagnetic wave having a wavelength. The cross-section dimension of the passive waveguide is in a range of at least 4 wavelengths to 50 wavelengths of the electromagnetic wave. The antenna receives energy from the electromagnetic wave carried by the passive waveguide. And, the electromagnetic absorber is disposed around the antenna so as to avoid interference between the electromagnetic wave and the antenna.

The invention provides a system and method for power auto-regulation in an out-of-band communication based optical transceiver. The system includes an optical transceiver comprising: one or more optical receptacles, each configured to engage with a corresponding one of the one or more optical receptacle mating members; and transceiver circuitry configured to enable communication of optical signals via the one or more optical receptacles. The optical transceiver is configured to: establish an optical connection with a peer optical transceiver; setting a transmit (Tx) optical power used during transmission of the optical signal to the peer-to-peer optical transceiver to a predetermined initial value; and performing a power auto-regulation of transmit (Tx) optical power during optical communication with the peer-to-peer optical transceiver via the optical connection. Based on the technical scheme disclosed by the invention, the Rx damage power related problem can be solved in a manner of overcoming the limitation and / or defects of any conventional technical scheme and not influencing the overall performance and / or quality of optical communication.

The present invention relates to a computing system, comprising a plurality of computing devices. Each of the computing devices is configured with a plurality of computing modules and a plurality of optical interconnect expansion cards, and each of the optical interconnect expansion cards is provided with an on-chip optical switch and at least one first optical switching unit. The optical interconnect expansion cards of the plurality of computing devices communicate by means of optical fiber connections; moreover, by means of controlling the first optical switching units and / or the on-chip optical switches, a first part of the plurality of computing devices forms a first super node, with the topology of a communication link of the first super node comprising a two-dimensional torus topology. The two-dimensional torus topology may be configured to comprise first ring topologies, where the computing devices in the first part form a one-dimensional torus in a first direction; at least two first ring topologies are arranged in a second direction; and at least some of the computing devices in the at least two first ring topologies form second ring topologies with a one-dimensional torus in the second direction, where the second direction intersects the first direction.

The present invention relates to a computing system, comprising a plurality of computing devices. Each computing device is configured with a plurality of computing modules and a plurality of optical interconnect expansion cards, and each optical interconnect expansion card is provided with an on-chip optical switch and at least one first optical switching unit. The optical interconnect expansion cards of the plurality of computing devices communicate by means of optical fiber connections. At least one computing device among the plurality of computing devices serves as a backup device, and the remaining computing devices are working devices that operate normally. When one or more working devices among the plurality of working devices fail, the connection topology of the plurality of computing devices is reconstructed by controlling the first optical switching units and / or the on-chip optical switches on the optical interconnect expansion cards of the plurality of computing devices, so that the backup devices as many as the failed working devices become the working devices that operate normally.

A method for routing in a quantum network is provided. The method may include receiving parameters including a fidelity with coherence decay time and an entanglement generation rate for each quantum node in a mesh quantum network by a controller, the controller being configured to communicate with each quantum node of a plurality of quantum nodes in the mesh quantum network. Each quantum node includes a quantum memory and a processor. The method may also include analyzing the fidelity with coherence decay time and the entanglement generation rate to yield a determination of a path fidelity with a path coherence decay time and a path entanglement generation rate between at least one pair of quantum nodes. The method may further include, based on the determination, selecting a quantum communication path from a source node to a destination node.

The invention discloses a near-field optical communication system and method. The near-field optical communication system comprises a transmitting end and a receiving end. The transmitting end comprises a light transmitting assembly, a signal change-over switch and a transmitting end controller. The receiving end comprises an optical receiving assembly and a receiving end controller. The transmitting end controller controls the signal change-over switch to enable the light transmitting assemblies to transmit light signals respectively, and the receiving end controller controls the signal change-over switch to enable the light receiving assemblies to transmit light signals after the light receiving assemblies receive the light signals transmitted by the light transmitting assemblies. And sending the obtained information corresponding to the optical signal intensity of each optical transmitting component or the information of the optical transmitting component with the highest optical signal intensity to a transmitting end controller, so that the transmitting end controller selects the optical transmitting component which is optimally matched with the receiving end for subsequent optical communication. The near-field optical communication system and the near-field optical communication method can realize optical communication with high bandwidth and low alignment precision requirement in a near field.

Aspects of the subject disclosure may include, for example, a housing that includes a first waveguide port and a second waveguide port, wherein the first waveguide port is configured for receiving an optical signal via a first optical waveguide optically coupled to the first waveguide port. The housing may include a passive optical processing module that is removably coupled to the housing and optically coupled to the first waveguide port. The passive optical processing module is configured to perform a prescribed function, e.g., filtering, upon the optical signal to obtain a processed optical signal without utilizing an electronic circuit. The second waveguide port is configured to transfer the processed optical signal to an optical waveguide external to the housing. Other embodiments are disclosed.

This application belongs to the communication field, and discloses a communication method, an apparatus, a system, and a storage medium. The method includes: A first node generates a first signal to be sent to a second node, where a first frequency resource is used for the first signal; the first frequency resource is adjacent to a second frequency resource; the second frequency resource is used for transmitting a signal to be sent to the second node and the signal transmitted on the second frequency resource is different from the first signal, or the second frequency resource is not used for transmitting a signal; and a width of the second frequency resource is greater than or equal to a width of the first frequency resource. The first node sends the first signal. This application can reduce communication costs.

The optical fiber connectivity management system includes a non-transitory computer-readable medium configured to store instructions and a processor coupled to the non-transitory computer-readable medium. The processor is configured to execute instructions for receiving optical fiber data related to a plurality of target areas for optical fiber connections. The processor is further configured to execute instructions for preparing a plurality of optical fiber connectivity requests corresponding to the plurality of target areas for optical fiber connections and for generating an optical fiber application based on the plurality of optical fiber connectivity requests. The processor is further configured to execute instructions for directing a transmitter to transmit the optical fiber application to an optical fiber operator and for receiving a response from the optical fiber operator, the response indicating whether the plurality of optical fiber connectivity requests are approved for optical fiber connectivity establishment.

The application provides an optical network communication method and a communication device. The method is applied to an optical fiber network, and the optical fiber network comprises a master device and at least one slave device, and the at least one slave device comprises a first slave device. The master device sends a first message to the first slave device, the first message is a wireless local area network management control interface (WMCI) message, the first message is used for managing or controlling a wireless local area network (WLAN) function of the first slave device, and the first message comprises first indication information, the first indication information is used for indicating a time delay requirement or a priority of the WLAN function corresponding to the first message. Since the first indication information in the first message can indicate the priority or the time delay requirement of the first message, the first slave device can decide whether to process the first message preferentially based on the first indication information, so that the bandwidth occupied by low-priority messages or messages with ordinary time delay requirements can be reduced, and the communication real-time performance of high-priority messages or messages with low time delay requirements can be improved.

An optical communication device including: a first optical multiplexing and demultiplexing unit that splits and outputs a control signal and main signal light transmitted at different wavelengths from at least one newly connected subscriber device; an optical distribution unit that includes a plurality of first ports and a plurality of second ports, receives as input at least the main signal light split by the first optical multiplexing and demultiplexing unit from any first port of the plurality of first ports, and outputs the main signal light from any second port of the plurality of second ports; a detection unit that is included inside or outside the optical distribution unit and detects the main signal light; a subscriber device management control unit that recognizes a port of the optical distribution unit to which at least one newly connected subscriber device is connected on a basis of the main signal light detected by the detection unit; and an optical distribution control unit that controls connection between ports of the optical distribution unit such that main signal light transmitted from the at least one newly connected subscriber device is transferred to a subscriber device as a communication counterpart.

Provided is a gateway device provided between a control device that controls at least one first user terminal that performs single-core bidirectional transmission and at least one second user terminal that performs two-core transmission. The gateway device comprises: a plurality of main signal control signal multiplexing / demultiplexing units that demultiplex an input optical signal into at least main signal light and control signal light; and a plurality of control signal transceivers that transmit and receive control signal light between the at least one user terminal and the at least one second user terminal via at least one of the plurality of main signal control signal multiplexing / demultiplexing units. Each of the plurality of control signal transceivers includes an output unit that outputs uplink control signal light transmitted from the at least one first user terminal or the at least one second user terminal to an optical reception unit.