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Matches 251 - 300 out of 13,007

Document Document Title
WO/2022/193978A1
Embodiments of the present application provide a communication network element and an optical communication system, having high data demodulation and recovery accuracy and a fast rate. The optical communication system comprises a first c...  
WO/2022/192479A1
Fiber optic terminals (200) with wavelength division multiplexing (WDM) and connection ports supporting physical path redundancy are disclosed. In one embodiment, a terminal (200) comprises a shell (210) housing at least one primary wave...  
WO/2022/188962A1
A system for wavelength control in a passive optical network (PON) with point to multi-point (P2MP) topology comprising a central node and end node. The system comprises a central node transceiver configured for broadcasting to end nodes...  
WO/2022/187929A1
An array of single photon avalanche diodes (SPAD) is divided into subarrays, and each subarray is activated in sequence while remaining subarrays are recharged. As a whole, the SPAD array performs as a continuously operating photodetecto...  
WO/2022/184249A1
Optical amplifier apparatus (100) comprising: an input (102) for an incoming optical signal (IN) comprising an optical supervisory channel, OSC, signal and service channel signals at channel wavelengths of a WDM channel wavelength grid; ...  
WO/2022/185475A1
[Problem] To provide an optical transport device, an optical transport system and an optical transport method that enable the strengths of optical signals to be recovered when the strengths of the optical signals vary due to the aged det...  
WO/2022/184105A1
The embodiments of the present application provide a wavelength configuration apparatus and system, and a wavelength configuration method. The wavelength configuration system comprises an electrical layer signal processing apparatus and ...  
WO/2022/181294A1
Because a light amplification device using a multicore optical fiber provides low utilization efficiency of excitation light according to a cladding excitation system, the present invention provides a light amplification device comprisin...  
WO/2022/171645A1
The disclosure provides a method for configuring an optical system (108, 200, 300) for communicating data from an optical transmitter (204) via an optical fibre waveguide arrangement (206, 314) to an optical receiver (210, 310). The meth...  
WO/2022/171280A1
The disclosure provides a method for configuring an optical system (108, 200, 300) for communicating data from an optical transmitter (204) via an optical fibre waveguide arrangement (206, 314) to an optical receiver (210, 310). The meth...  
WO/2022/168576A1
In order to provide a connection state identification system that makes it possible to confirm the connection state of an optical path by using a branching device during inspection of the operation of an undersea optical cable system, th...  
WO/2022/162477A1
A system, comprising an optical transmitter configured to modulate a pulsed laser signal based on a plurality of data signals to form a plurality of modulated optical data signals, optical time division multiplex the plurality of modulat...  
WO/2022/161410A1
An integrated optical transceiver and an optical line terminal (OLT). A first splitter (11) and a second splitter (12) are integrated in a PLC structure (10) of the transceiver. The first splitter (11) is configured to transmit signal li...  
WO/2022/162789A1
A radio communication method in which a centralized unit that has the signal processing function of a radio communication device that has a signal processing function and a communication function uses a communication function to transmit...  
WO/2022/155509A1
A fiber optic tap, in one embodiment, includes a multicore fiber (MCF) having at least two cores coupled to a fan-out. A tap portion of an optical signal is coupled from one core of the MCF to a second core, so that the fan-out delivers ...  
WO/2022/152115A1
The embodiments of the present application disclose a device for generating a dummy light signal, which is applied to the field of communications. The device comprises: a light source module, configured to generate a first wavelength sig...  
WO/2022/151786A1
Disclosed are a light-splitting apparatus, a dual-mode ONU, an optical network system and a communication method, which relate to the technical field of optical networks. The light-splitting apparatus provided in the present application ...  
WO/2022/149236A1
This optical communication system (200) comprises: optical transmission devices (10-1 to 10-N) that convert first data signals, which are electrical signals, into a plurality of packet signals being optical signals; optical couplers (20-...  
WO/2022/146974A1
A multiport waveguide device is disclosed herein. In an embodiment, a multiport waveguide device includes a first receiving port structure configured to guide a first incoming RF signal, a second receiving port structure configured to gu...  
WO/2022/142068A1
The present application discloses an O-band tunable optical module. The O-band tunable optical module comprises: a microprocessor circuit, a select switch and a transmitter optical subassembly (TOSA). The TOSA comprises a plurality of la...  
WO/2022/134909A1
A signal sending device and method, a signal receiving device and method, and an optical transmission system, relating to the field of optical communications. The signal sending device comprises a modulating and multiplexing module and a...  
WO/2022/133517A1
Apparatus including an optical signal generator, a data transmission path, and an optical signal receiver. Optical signal generator includes a coherent light source for generating a spectrum of carrier signals at different carrier freque...  
WO/2022/134109A1
The embodiments of the present application relate to the technical field of optical communication, and provide a fiber amplifier, a wavelength division multiplexing system, and an optical communication device. The fiber amplifier compris...  
WO/2022/132112A1
In this invention, a novel method is proposed for Radar and Communication coexistence in the mm Wave band by exploiting channel sparsity which is described by the geometrical channel model. The joint transmitter and receiver in bistatic ...  
WO/2022/122016A1
Disclosed in the embodiments of the present application are an optical amplification apparatus and a mode division multiplexing system comprising said optical amplification apparatus, relating to the field of optical communication, being...  
WO/2022/123749A1
A solution calculation method according to an embodiment of the present invention is for calculating a solution of an optical wavelength assignment problem on an optical network, said method being characterized in that a computer carries...  
WO/2022/120221A1
Integrated WDM mux/demux devices are disclosed. Some embodiments are directed to an in-line WDM mux/demux device formed with a substrate and a common port at a first side of the substrate and a plurality of separated wavelength ports at ...  
WO/2022/110110A1
The present application relates to the technical field of communications. Disclosed are a method and apparatus for identifying topology networking of a wavelength division device. The present application is used for solving the problem i...  
WO/2022/111223A1
Disclosed in the present application are a communication apparatus, a communication system and a nonlinear compensation method, for reducing hardware complexity and power consumption of the communication system and ensuring better linear...  
WO/2022/106012A1
Methods and apparatuses for optical filtering are disclosed. According to an embodiment, there is provided an optical filter for an optical network, the optical filter being configured to adaptively add or remove a target wavelength in a...  
WO/2022/100561A1
The present disclosure relates to the field of optical communications. Disclosed are a pilot tone signal transmission control method, apparatus and system, and a multi-channel optical module. The method comprises: a first multi-channel o...  
WO/2022/101674A1
The disclosed systems and methods support addition of bands to a multi -band optical interface. The systems and methods can include a multi -band interface device for optical networks. The device can include a multi -band optical amplifi...  
WO/2022/094956A1
Method and communication network for establishing a connection in a communications network are disclosed. The method comprises receiving, by a processor, a connection request for establishing the connection; selecting, by the processor, ...  
WO/2022/091187A1
Provided are an optical amplifier, an optical amplifier controlling method and an optical transmission system wherein the wavelength dependency of signal gains can be reduced with the efficiency of using supplied-power sources improved. ...  
WO/2022/091388A1
Provided is an optical communication device comprising: an optical switch which is connected to a plurality of transmission lines and outputs an optical signal input from one of the transmission lines to another transmission line; a comm...  
WO/2022/090657A1
A method for equalization in an access network of passive optical network type, comprising the following steps for a given optical distribution network (ODN) connecting a given input port of an optical line termination (OLT) to a given p...  
WO/2022/091452A1
The present disclosure makes it possible to accurately detect distortion in a transmitter and distortion in a receiver without increasing cost. A coherent receiving circuit (21) performs coherent reception of a signal transmitted via a t...  
WO/2022/088839A1
The present application provides a port identification method and apparatus, belonging to the field of optical fiber communication technology. Said method is applied to a passive optical network (PON). The PON comprises at least one stag...  
WO/2022/094431A1
Systems, methods, and computer-readable media for deterministic dynamic shaping of traffic of a communication network are provided.  
WO/2022/089123A1
The present invention relates to the technical field of optical communications. Disclosed in embodiments of the present invention are an optical transmission apparatus and system. A first optical transmission apparatus 1 comprises multip...  
WO/2022/091394A1
This optical communication device is provided with: an optical switch which outputs an optical signal, which is inputted from any of the multiple transmission paths, to another of the transmission paths; monitoring units which, in transm...  
WO/2022/083041A1
An optical module, comprising: a circuit board (300); a first lens assembly (400) covering a light-emitting chip array (440), the surface of the first lens assembly having a first reflecting face (410) and a second reflecting face (420);...  
WO/2022/083470A1
A power equalization method for an optical network, an optical transport network network element, and a storage medium. The power equalization method comprises obtaining a first actual power and a first target power of an optical signal ...  
WO/2022/081055A1
A method performed by second fronthaul network unit (520, 540) for enabling synchronization with a first fronthaul network unit (501) over a first single optical fiber (510) in a fronthaul network (500) is provided. The method comprises ...  
WO/2022/073715A1
This invention provides a method of operating a central node in a telecommunications network, the telecommunications network including an optical network and a plurality of distributed nodes each configured to use a first optical signal ...  
WO/2022/073605A1
In a first aspect, a method performed by a management node for an optical network is provided. The optical network comprising a plurality of receivers and a plurality of amplifiers. The method comprises measurements of received power for...  
WO/2022/072579A1
Systems and methods for conducting various types of Connection Validation (CV) are provided for reducing the overall CV scan time of regular CV scans. A method, according to one implementation, includes a step of receiving a request to p...  
WO/2022/070293A1
The present invention comprises: a first optical communication device having an optical fiber that includes a plurality of cores formed in parallel to the longitudinal direction, an optical transmission unit, and an optical reception uni...  
WO/2022/068676A1
An optical fiber amplification apparatus, comprising a light receiving port (201), a first light output port (202), a second light output port (203), a gain medium (204), a pump laser (205), a reflection film (206), and a transmission an...  
WO/2022/071167A1
In order to avoid the phenomenon of communication being impeded by a plurality of slave devices sharing one communication line and signals transmitted by the plurality of slave devices overlapping during communication from the plurality ...  

Matches 251 - 300 out of 13,007