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WO/2023/004463A1 |
Methods and systems configured to assist with generating, controlling and detecting multiple orbital angular momentum (OAM) modes are described. An optical device for OAM multiplexing and/or demultiplexing (100), includes a metasurface (...
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WO/2023/009267A1 |
Infrastructure comprising a wide area network (WAN) is adapted as a transport network portion of a 5G network in which the WAN is sliced at the optical layer on a discrete wavelength basis to provide dedicated network capacity to custome...
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WO/2023/005873A1 |
Protection switching methods, an electronic device and a storage medium, a method comprising: a source OTU sends a first wavelength optical signal to a sink OTU by passing through a first working channel (S110); a first input end of a si...
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WO/2023/002619A1 |
A first multiplexer/demultiplexer splits an optical signal input from a first port and outputs the results from a plurality of second ports, and multiplexes optical signals input from the plurality of second ports and outputs the result ...
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WO/2023/000117A1 |
Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for techniques for signaling control information in wireless communication systems based on orbital angular momentum (OAM) modes. O...
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WO/2023/000853A1 |
Disclosed in the present application are an optical switching apparatus and method, and a related device. The apparatus comprises a first input port, a second input port, a first polarization conversion assembly, a second polarization co...
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WO/2023/283414A2 |
Hybrid wire-fiber data networks that include wire-fiber transceivers protected against environmental interferences. In some embodiments, a hybrid-wire-fiber data network of this disclosure provides a fiber-optic link between portions of ...
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WO/2023/282331A1 |
Provided is a submarine optical branching device in a submarine optical communication system, said submarine optical branching device comprising two trunk input/output units and one branch input/output unit, wherein: an input core select...
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WO/2023/279051A1 |
Aspects of the disclosure provide methods and apparatuses for media processing. In some examples, an apparatus includes processing circuitry. The processing circuitry can exchange, with a server device, a plurality of control messages ov...
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WO/2023/278769A1 |
A passive optical module delivers multiple passive optical services. The passive optical services are received from a central office on a single fiber optic cable. The passive optical module provides high channel isolation between servic...
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WO/2023/273394A1 |
The present application provides a method, a device, and a system for implementing optical routing. The method comprises: receiving task request information from a server by means of a controller, and generating a wavelength routing tabl...
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WO/2023/274317A1 |
A wavelength selective switch (100), comprising: a light-splitting module (10) which is used for splitting first light so as to output multiple beams of second light; a light diffraction module (20) which is used for receiving and diffra...
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WO/2022/268327A1 |
Communications network transmission apparatus (100) comprises: optical transceivers (102); an optical multiplexer (104) arranged to multiplex optical signals from the optical transceivers for transmission on a wavelength division multipl...
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WO/2022/269810A1 |
The present invention suppresses crosstalk that occurs between adjacent channels when monitoring output power. This multi-channel optical module for multiplexing and outputting a plurality of wavelength channels comprises: a plurality of...
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WO/2022/269805A1 |
The present invention suppresses crosstalk between adjacent channels when optical output power is monitored. A multichannel optical module for multiplexing a plurality of wavelength channels for output, comprising: a plurality of light s...
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WO/2022/267320A1 |
One aspect of the present disclosure relates to a wavelength division link protection system and method. The wavelength division link protection system comprises: a main link and a standby link; a first tunable optical module, which is l...
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WO/2022/266871A1 |
Aspects of the disclosure relate to transmitting, via a transceiver and a first antenna of a plurality of antennas, a first reference signal on a first orbital angular momentum (OAM) mode using first resources; transmitting, via the tran...
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WO/2022/267544A1 |
The present application discloses a communication device, applicable to the field of communications. The communication device comprises a westbound module, a WSS, and an eastbound module. The westbound module is configured to transmit a ...
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WO/2022/267906A1 |
Embodiments of the present application provide a method and device for determining a fiber connection relationship in a multi-dimensional site. The method comprises: obtaining source end pilot tone modulation information, respectively co...
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WO/2022/266376A1 |
A system includes a housing having a front panel, a substrate positioned at a distance from the front panel, and a data processor mounted on the substrate. The system includes a pluggable module having an optical module, at least one fir...
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WO/2022/264474A1 |
A penalty is introduced to the channel with less noise when the difference in the transmitted signal quality among channels is reduced; therefore, an equalization apparatus according to an exemplary aspect of the invention includes a pro...
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WO/2022/262573A1 |
The embodiments of the present application relate to the technical field of 5G networks, and provide a method and apparatus for detecting a fault of a passive wavelength division device, and a server and a storage medium. The method for ...
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WO/2022/264241A1 |
A penalty is introduced to the channel with less noise when the difference in the transmitted signal quality among channels is reduced; therefore, an equalization apparatus according to an exemplary aspect of the invention includes a pro...
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WO/2022/258132A1 |
An optical network unit, ONU, (100) for a passive optical network, PON. The ONU comprises a tunable receiver (110) having a wavelength tunable operating wavelength, a tunable transmitter (120) having a wavelength tunable operating wavele...
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WO/2022/259320A1 |
A wavelength cross-connect device (1) is configured to include: input-end WSSs (11a to 11m); wavelength band switch processing units (#1 to #j) that convert the wavelength bands of specific wavelength multiplexed signal beams, which are ...
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WO/2022/258177A1 |
Embodiments described herein relate to methods and apparatus for autotuning an optical system. There is provided a method comprising transmitting an optical signal on a first transmitter (324m) of an optical transmission unit (120, 320) ...
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WO/2022/259319A1 |
This wavelength cross-connect device (1) comprises a wavelength band switching unit (10) and a WXC unit (20). In the wavelength band switching unit (10), each input side WSS branches off into a predetermined number of branches, and wavel...
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WO/2022/259318A1 |
A wavelength cross-connect device (10) includes a WXC unit (20) and a wavelength band switching unit (30). The WXC unit (20) includes input-end WSSs (21a to 21m) and output-end WSSs (22a to 22m) each of which receives wavelength multiple...
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WO/2022/259321A1 |
A wavelength cross-connect device (10) includes a conversion module (13a1) that, with respect to various wavelength bands demultiplexed by a demultiplexer (11a), converts a first wavelength band (S band) shorter than a specific wavelengt...
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WO/2022/249896A1 |
The method relating to the present invention, in which the effects of crosstalk are accurately estimated, involves estimating the upper limit of a bit error rate in an optical transmission unit of an optical transmission system which use...
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WO/2022/248053A1 |
Provided is a computer-implemented method of optical performance monitoring in an optical network (200, 300). The optical network includes at least one optical multiplex section, OMS (202, 308), formed from one or more spans (310). Each ...
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WO/2022/249326A1 |
The present invention includes a reception unit that receives a signal in which an X-polarized wave and a Y-polarized wave are polarization-multiplexed, converts the received signal into reception signals corresponding to the X polarized...
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WO/2022/249458A1 |
The purpose of the present disclosure is to provide: an optical transmission device that can mitigate noise generated by IQ mixing in a sub-carrier multiplexing scheme; a system; a method; and a non-transitory computer-readable medium. A...
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WO/2022/249401A1 |
The present invention includes: a polarized wave separation unit that separates polarized waves of received signals respectively corresponding to an X polarized wave and a Y polarized wave output by a reception unit; a first signal decod...
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WO/2022/246201A2 |
Systems for treating water are disclosed. The system includes an ozonation subsystem including a source of ozone configured to dissolve ozone into water from a source of water to produce ozonated water. The system further includes an ele...
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WO/2022/242171A1 |
The present application relates to the technical field of optical communications, and discloses a processing apparatus, an optical communication system and method, a processing chip, and a storage medium, which are used for reducing netw...
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WO/2022/244252A1 |
One aspect of the present invention pertains to an optical communications device comprising: a detection unit that detects the rising or falling edge of a control signal output to an optical communication path from a user device; and an ...
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WO/2022/242254A1 |
Disclosed in the present application are a clock frequency synchronization method and a communication apparatus. The method comprises: a network device receiving a combined optical signal, wherein the combined optical signal is obtained ...
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WO/2022/242604A1 |
A method and apparatus for determining a port matching relationship, and a storage medium. The method comprises: acquiring a first coding value of a first output port of a transmitting-end wavelength selection switch (S110); obtaining a ...
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WO/2022/237483A1 |
Aspects of the disclosure provide for methods and systems for feedback control of mode MUX and DEMUX. An aspect of the disclosure provides for a method associated with a mode MUX. The method includes modulating each WDM signal of a first...
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WO/2022/237271A1 |
An optical fiber measurement system may be used for measuring one or more optical fibers in the field of optical communications. The optical fiber measurement system comprises an optical time domain reflectometer, a wavelength division m...
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WO/2022/239064A1 |
Provided is a communication method having: a switching step in which an optical switch to which a first information apparatus is connected switches the connection destination of the first information apparatus from an input/output port c...
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WO/2022/234722A1 |
A path control device (100) according to an aspect of the present invention comprises a control unit (10) that aggregates paths for the same reception node into the same core of the same multi-core optical transmission line.
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WO/2022/230125A1 |
The wavelength defragmentation device according to the present invention performs wavelength reallocation for paths in an optical transmission network and includes a storage unit that stores a path information DB and a wavelength allocat...
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WO/2022/224329A1 |
A multicarrier optical transceiver system (100) comprises an integration management device (12) that determines a transmission path where a plurality of subcarrier signals are respectively transmitted, said determination being made on th...
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WO/2022/224298A1 |
Provided is an optical access system that carries out communication using an optical signal on which a management control signal, used for management and control, is superimposed. A transmitting-side subscriber device superimposes a mana...
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WO/2022/225664A1 |
A photonic integrated circuit includes a photonic device. The photonic device includes an input region configured to receive an input signal including a plurality of multiplexed channels. The photonic device includes a metastructured dis...
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WO/2022/218178A1 |
An arrayed waveguide grating, relating to the technical field of wavelength division multiplexing for adjusting a spatial interval between different groups of output waveguides of an arrayed waveguide grating. The arrayed waveguide grati...
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WO/2022/213810A1 |
The present application relates to the technical field of communications, and provides a wavelength-division multiplexing device and a communication device. The wavelength-division multiplexing device may comprise a fixing member, an opt...
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WO/2022/215366A1 |
This optical transmission system is provided with an optical signal transmitter for transmitting an optical signal output from a light source, an optical signal receiver for receiving the optical signal, and an optical transmission path ...
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