Abstract: A silicon photonics integrated chip includes the transmit-input waveguide unit, the splitter unit, the modulator unit, the transmit-output waveguide unit, the receive-input waveguide unit and the receiving detector unit integrated inside the chip. A silicon photonics multi-channel parallel optical component and a coupling method of the silicon photonics multi-channel parallel optical component are also provided. The integrated silicon photonics chip is adopted, the transmitting part still uses two-way DC laser group, the receiving chip is integrated inside the silicon photonics chip, and the optical interface adopts the mature FA-MPO in the industry. It has the advantages of mature technology, high degree of integration, relatively low cost, fewer coupling processes, etc., it is one of the advantageous choices for rates above 400 G.

Abstract: A silicon photonics integrated chip includes the transmit-input waveguide unit, the splitter unit, the modulator unit, the transmit-output waveguide unit, the receive-input waveguide unit and the receiving detector unit integrated inside the chip. A silicon photonics multi-channel parallel optical component and a coupling method of the silicon photonics multi-channel parallel optical component are also provided. The integrated silicon photonics chip is adopted, the transmitting part still uses two-way DC laser group, the receiving chip is integrated inside the silicon photonics chip, and the optical interface adopts the mature FA-MPO in the industry. It has the advantages of mature technology, high degree of integration, relatively low cost, fewer coupling processes, etc., it is one of the advantageous choices for rates above 400 G.

Abstract: Exemplary embodiments are disclosed of systems and methods for dispensing thermal management and/or EMI mitigation materials. The system and methods include online remixing prior to dispensing the thermal management and/or EMI mitigation materials. In an exemplary embodiment, a system includes an online remixer configured to be operable for receiving a supply of the thermal management and/or EMI mitigation material including one or more functional fillers within the matrix, and remixing the one or more functional fillers including filler settlement, if any, within the matrix prior to dispensement of the thermal management and/or EMI mitigation. The remixing may reduce the filler settlement, if any, within the matrix and thereby allow for improved viscosity and flow rate of the thermal management and/or EMI mitigation material.

Abstract: The present invention relates to the technical field of optical communication, and provides a light emitting assembly comprising: an LD chip component, an optical wavelength division multiplexer, a first package housing and a second package housing; the first package housing is fixedly connected with the second package housing to form a first chamber for packaging the LD chip component and a second chamber for packaging the optical wavelength division multiplexer, the first chamber is located inside the first package housing, and the second chamber is located inside the second package housing. The present invention also provides an optical module comprising: a housing, a light receiving assembly and the light emitting assembly mentioned above, wherein the light receiving assembly and the light emitting assembly are both disposed on the housing.

Abstract: A simulation evaluation model of a high voltage ride through capability includes a wind turbine system aerodynamic model, a torque control model, a converter model, and a high voltage fault generating device model connected in sequence; the wind turbine system aerodynamic model is configured to calculate an airflow input power; the torque control model is configured to calculate a rotor electromagnetic torque according to the airflow input power; the high voltage fault generating device model is configured to simulate a high voltage fault and output a predetermined voltage on a low voltage side of a transformer; and the converter model is configured to calculate a stator reactive current, an active power and a reactive power of the wind turbine system during the high voltage fault according to the airflow input power, the rotor electromagnetic torque and the predetermined voltage on the low voltage side of the transformer.

Abstract: The present invention relates to the technical field of optical communication, and provides a light emitting assembly comprising: an LD chip component, an optical wavelength division multiplexer, a first package housing and a second package housing; the first package housing is fixedly connected with the second package housing to form a first chamber for packaging the LD chip component and a second chamber for packaging the optical wavelength division multiplexer, the first chamber is located inside the first package housing, and the second chamber is located inside the second package housing. The present invention also provides an optical module comprising: a housing, a light receiving assembly and the light emitting assembly mentioned above, wherein the light receiving assembly and the light emitting assembly are both disposed on the housing.

Abstract: A simulation evaluation model of a high voltage ride through capability includes a wind turbine system aerodynamic model, a torque control model, a converter model, and a high voltage fault generating device model connected in sequence; the wind turbine system aerodynamic model is configured to calculate an airflow input power; the torque control model is configured to calculate a rotor electromagnetic torque according to the airflow input power; the high voltage fault generating device model is configured to simulate a high voltage fault and output a predetermined voltage on a low voltage side of a transformer; and the converter model is configured to calculate a stator reactive current, an active power and a reactive power of the wind turbine system during the high voltage fault according to the airflow input power, the rotor electromagnetic torque and the predetermined voltage on the low voltage side of the transformer.

Abstract: Embodiments of the present application provide a method and an apparatus for compressing a label stack. The method includes: obtaining a first label stack corresponding to a forwarding path, where the first label stack comprises node labels corresponding to each node on the forwarding path; selecting a first node label from the first label stack, where when forwarding a packet, a node corresponding to the first node label is capable of encapsulating at least two layers of labels in the packet; replacing at least two adjacent labels located after the first node label in the first label stack with a first compression label, to generate a second label stack; and instructing a source node on the forwarding path to perform packet processing according to the second label stack. In this way, a length of a label stack pushed into the packet can be shortened.

Abstract: The present invention provides a multi-channel integrated optical wavelength division multiplexing/demultiplexing assembly structure, comprising a light transmitting assembly and a light receiving assembly, the light transmitting assembly consisting of a laser chip array, a coupling lens set, a wavelength division multiplexing assembly, a single coupling lens and a single-core optical fiber, wherein the wavelength division multiplexing assembly comprises an optical waveguide chip, a band-pass filter set, a full-wavelength reflection unit, and multiple segments of waveguide optical paths that are continuously distributed in the optical waveguide chip in a Z-shape or W-shape, each of the multiple segments of waveguide optical paths has an input port and an output port which are distributed on left and right sides of the optical waveguide chip, respectively, the output ports comprise a tail end port which is arranged in correspondence to the single coupling lens, the band-pass filter set covers the input ports,

Abstract: Embodiments of the present application provide a method and an apparatus for compressing a label stack. The method includes: obtaining a first label stack corresponding to a forwarding path, where the first label stack comprises node labels corresponding to each node on the forwarding path; selecting a first node label from the first label stack, where when forwarding a packet, a node corresponding to the first node label is capable of encapsulating at least two layers of labels in the packet; replacing at least two adjacent labels located after the first node label in the first label stack with a first compression label, to generate a second label stack; and instructing a source node on the forwarding path to perform packet processing according to the second label stack. In this way, a length of a label stack pushed into the packet can be shortened.

Abstract: A method for determining beginning and end nodes in a FALSP, applied to a multilayer network using an higher-layer signaling triggering model to establish the FALSP is provided, comprising: a path compute element, when a computed service path comprises FALSPs of one or more layers, encapsulating FALSP path information of each layer into a Secondary Explicit Route Object (SERO) respectively to return together with service path information through inquiry response message to a beginning node in a first layer initiating the inquiry; after receiving them, a node in the service path determining whether the node is a beginning node in the FALSP of a layer according to said FALSP path information, if yes, learning that the FALSP is the FALSP of next layer, and determining an end node in the FALSP of the next layer according to FALSP path information of the next layer. A multilayer network is also provided.

Abstract: A Global Concurrent Optimization (GCO) method, device and system for Label Switching Path (LSP) are provided. The method comprises that: a Path Calculate Element (PCE) calculates the path of each LSP of a set of LSPs in a network, groups all LSPs, and performs a sequencing operation to obtain the setup and/or deleting order of the each LSP in a group to which the each LSP belongs, wherein the each LSP belongs to one group; and the PCE transmits a path calculation response message to a Path Calculation Client (PCC), wherein the path calculation response message carries the path calculation result of the each LSP of the set of the LSPs, the grouping information of the each LSP and the setup and/or deleting order of the each LSP in the group to which the each LSP belongs. According to the disclosure, the optimization/re-optimization efficiency is provided.

Abstract: Disclosed is a mounting and fixing structure for an optical fiber of a photoelectron device. The photoelectron device comprises a tube shell (120), with a tail tube (140) extending outwards being arranged on the tube shell (120). One end of an optical fiber is provided with a coupling structure (340), and the optical fiber comprises a fiber core (201) and an envelope (202) which is made of the same material as the fiber core (201) and covers the fiber core. One end of the optical fiber close to the coupling structure (340) forms a bare optical fiber (230) which consists of a fiber core (201) and an envelope (202), and the other end forms a basic optical fiber (200) which consists of a fiber core (201), an envelope (202) and a coating (203); and the optical fiber penetrates into the tail tube (140). The bare optical fiber (230) of the optical fiber is welded and fixed to the tail tube (140) through glass solder (160).

Abstract: A method for controlling area boundary, and a method and system for establishing connection in a multilayer network are provided. With a Path Computation Element (PCE) computing a network path and sending response message carrying layer boundary information to a Path Computation Client (PCC), in the present invention, a multilayer network connection can be established rapidly, thereby reducing the time for establishing the multilayer network connection.

Abstract: The present invention provides a method for inheriting an attribute of a FA in a multilayer network, which comprises: returning information of a first attribute of each link on a FA LSP in a path computation reply message to an upper layer head node, and initiating connection setup; a head node on the FA LSP constructing the first attribute of this FA according to information of the first attribute of each link on the FA LSP included in a path message sent from a upstream node and storing the first attribute of this FA, and sending information of the first attribute of this FA to a downstream node; and c) the tail node on the FA LSP obtaining information of the first attribute of this FA and storing the first attribute of this FA. The present invention also provides a multilayer network.

Abstract: A method for controlling area boundary, and a method and system for establishing connection in a multilayer network are provided. With a Path Computation Element (PCE) computing a network path and sending response message carrying layer boundary information to a Path Computation Client (PCC), in the present invention, a multilayer network connection can be established rapidly, thereby reducing the time for establishing the multilayer network connection.

Abstract: A method for determining beginning and end nodes in a FALSP, applied to a multilayer network using an higher-layer signaling triggering model to establish the FALSP is provided, comprising: a path compute element, when a computed service path comprises FALSPs of one or more layers, encapsulating FALSP path information of each layer into a Secondary Explicit Route Object (SERO) respectively to return together with service path information through inquiry response message to a beginning node in a first layer initiating the inquiry; after receiving them, a node in the service path determining whether the node is a beginning node in the FALSP of a layer according to said FALSP path information, if yes, learning that the FALSP is the FALSP of next layer, and determining an end node in the FALSP of the next layer according to FALSP path information of the next layer. A multilayer network is also provided.

Abstract: The present invention provides a method for inheriting an attribute of a FA in a multilayer network, which comprises: returning information of a first attribute of each link on a FA LSP in a path computation reply message to an upper layer head node, and initiating connection setup; a head node on the FA LSP constructing the first attribute of this FA according to information of the first attribute of each link on the FA LSP included in a path message sent from a upstream node and storing the first attribute of this FA, and sending information of the first attribute of this FA to a downstream node; and c) the tail node on the FA LSP obtaining information of the first attribute of this FA and storing the first attribute of this FA. The present invention also provides a multilayer network.