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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...
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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...
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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, ...
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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. ...
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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...
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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...
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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...
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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...
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WO/2022/094431A1 |
Systems, methods, and computer-readable media for deterministic dynamic shaping of traffic of a communication network are provided.
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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...
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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...
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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);...
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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 ...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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WO/2022/066724A1 |
Methods and systems concerning demultiplexing and multiplexing light in optical multiplexing systems are disclosed herein. An optical multiplexing system may include a number of light emitters and a number of associated waveguides. Light...
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WO/2022/062676A1 |
Disclosed are a wavelength division multiplexer/demultiplexer, a photonic integrated chip, and an optical module. The wavelength division multiplexer/demultiplexer comprises a substrate, a bus waveguide provided on the substrate, and at ...
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WO/2022/061552A1 |
Methods and apparatus for a reconfigurable optical add-drop multiplexer (ROADM) cluster node are provided. In some embodiments, the ROADM cluster node includes a set of g line chassis for performing line functionality. In some embodiment...
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WO/2022/062215A1 |
Disclosed in the present application are a parameter adjustment method and apparatus, an electronic device, and a storage medium. The method comprises: obtaining the spectral power, after the power is amplified, of at least one of N wave...
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WO/2022/062187A1 |
An optical signal adjustment apparatus, device and method, and a storage medium. The optical signal adjustment apparatus (1) comprises: a differential operation circuit (11), a feedforward amplification circuit (12) and a control circuit...
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WO/2022/062839A1 |
Disclosed are an optical signal transmitting device, an optical signal receiving device and an optical signal transmission system, which are used for realizing mode division multiplexing and wavelength division multiplexing of optical si...
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WO/2022/064913A1 |
In order to achieve an optical branching/coupling device having low laying cost and high reliability and a method for controlling the same, this branching/coupling device is provided with: first to third optical transmission paths, each ...
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WO/2022/062736A1 |
The present application provides a tunable optical add/drop multiplexer. An angle of incidence of an incident light beam on an optical filter is changed by a light beam adjusting device, and after the incident light beam is divided by th...
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WO/2022/062757A1 |
The present application belongs to the technical field of optical communications. Provided are an optical communication system, and a method for determining a connection relationship. The system comprises a first OTU, a combiner and a de...
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WO/2022/062211A1 |
A power adjustment method and apparatus, and a storage medium. The method comprises: detecting the down-wave power of at least one down-wave optical signal and the up-wave power of at least one up-wave optical signal; calculating the ori...
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WO/2022/053133A1 |
A wave division multiplexing, WDM, system (10) is provided. The WDM system (10) includes an optical multiplexer (34) configured to multiplex a plurality of measurement wavelengths and a plurality of transmission wavelengths onto a single...
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WO/2022/054242A1 |
In optical transmission systems configured to control the optical intensities of optical signals propagating through each core of a multi-core transmission path individually in each optical repeater, since the number of components in the...
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WO/2022/054536A1 |
In a network using MCF, in order to provide a technology which enables a standby system path to be easily constructed, this optical network comprises: an active system path which is connected by means of a first multi-core optical fiber,...
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WO/2022/040775A1 |
A receiver architecture is described for phase noise compensation in the presence of inter-channel interference (ICI) and inter-symbol interference (ISI), particularly for time-frequency packing (TFP) transmissions. The receiver includes...
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WO/2022/044309A1 |
An aspect of the present invention provides a wireless communication method for transferring information between a base station and a terminal station wirelessly, the base station being separated into an aggregation station and an extens...
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WO/2022/042721A1 |
The present application provides an optical transceiver device, comprising an optical module and at least three transceiving modules. An optical port of the optical module is connected to an external optical fiber; each of the transceivi...
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WO/2022/044327A1 |
According to the present invention, this optical transceiver can autonomously set the channels of transmitted and received light signals. A wavelength-variable light transmission unit (10) is configured to be able to transmit a first cha...
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WO/2022/040880A1 |
One embodiment described herein provides an optical add-drop multiplexer. The optical add-drop multiplexer can include a plurality of network interface modules and an optical cross connect module coupling the plurality of network interfa...
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WO/2022/042378A1 |
The present application relates to the field of optical communications. Disclosed are an optical signal control method and device, an optical transmission node, and an optical transmission system. The device comprises: a light source con...
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WO/2022/038739A1 |
This signal detection device is provided with: a signal detection unit that derives an estimation vector of a transmission signal vector; a first conversion unit that converts the estimation vector of the transmission signal vector to an...
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WO/2022/038859A1 |
Provided are a communication device, a communication system, a communication method, and a communication program for suppressing a characteristic difference in reception characteristics between orthogonal amplitude modulated signals, and...
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WO/2022/035500A1 |
An optical communications network comprises optical data links interconnected by add-drop nodes, the optical data links comprising data channels. The data channels are allocated into equal-sized bins. In response to a first data channel ...
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WO/2022/034280A1 |
A method (1200) for noise loading an optical channel, comprising: allocating (1201) a 5 plurality of wavelength slots of an available spectrum in an optical fibre as comprised in traffic channels or noise loaded channels, wherein each no...
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WO/2022/032961A1 |
Provided in the embodiments of the present disclosure are a communication station, an optical communication system, a data transmission method, and a storage medium. The communication station is a first station and comprises: a first rec...
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WO/2022/029616A1 |
It is disclosed a device for multipole phase division multiplexing and demultiplexing and a spatial division telecommunications system comprising the multiplexing and demultiplexing devices. The multipole phase demultiplexing device (10)...
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WO/2022/029832A1 |
This optical transmission system comprises a plurality of optical transmission devices and an optical reception device, and performs communication by wavelength division multiplexing, wherein: each of the plurality of optical transmissio...
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WO/2022/022271A1 |
Disclosed in the present invention are an unbuffered optical interconnection architecture for a data center and a method. The architecture is divided into an ingress line card, a three-level switching module, and an egress line card; the...
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WO/2022/022027A1 |
The present application provides an optical transmission method and apparatus, a computing device, and a storage medium. The method is applied to the technical field of optical communications. The method is applied to an ROADM comprising...
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WO/2022/020667A1 |
Systems and methods for increasing throughput of a photonic processor by using photonic degrees of freedom (DOF) are provided. The photonic processor includes a multiplexer configured to multiplex, using at least one photonic DOF, multip...
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WO/2022/018004A1 |
Multi-directional optical devices are disclosed. The optical device may employ a multiple input/multiple output optical coupling structure to determine propagation direction of received light (in receiver configuration), and/or control t...
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