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WO/2024/130018A1 |
An optical interconnect module operating on a plurality of wavelengths is described. The optical interconnect module may be a wavelength multiplexed transmitter, a wavelength demultiplexed receiver, or a transceiver with both wavelength ...
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WO/2024/119934A1 |
The present disclosure provides a modeling method of an optical transport network, comprising: dividing an optical transport network into a plurality of layers; and creating a model of an optical element according to an association relat...
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WO/2024/121976A1 |
An optical communication device comprising: an acquisition unit that acquires bandwidth information required by a subscriber device in transmitting a main signal; and a wavelength control unit that, on the basis of the bandwidth informat...
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WO/2024/119802A1 |
The present disclosure relates to a signal processing method and system, and a device and a medium. The signal processing method comprises: determining an optical carrier signal and an injected optical comb signal of each channel accordi...
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WO/2024/121927A1 |
A master station device which is coupled to a plurality of slave station devices through optical fibers via an optical coupler and which receives an optical signal from each of the plurality of slave station devices in a time-division ma...
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WO/2024/123683A2 |
An optical communication system includes optical transceivers coupled by one or more fiber cables and performs remote, hybrid, or local modulation of light signals to encode data for transmission between the transceivers. Remote modulati...
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WO/2024/113350A1 |
The disclosed systems and methods are for pilot tone detection. The system includes: i) a spectral dispersion element configured to: receive optical channel signals superimposed with pilot tone (PT) signals, and disperse the optical chan...
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WO/2024/113165A1 |
Embodiments of the present application provide a detection device, an optical loopback method, and a terminal. The detection device may be a laser radar and can be applied to the fields such as detection, intelligent surveying and mappin...
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WO/2024/114293A1 |
Provided in the embodiments of the present application are a detection apparatus, a light looping method and a terminal. The detection apparatus may be a lidar, and may be applied to the fields of detection, intelligent surveying and map...
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WO/2024/113118A1 |
An optical modulator, a transmission apparatus, a communication system, and a modulation method. The optical modulator comprises a beam combiner/splitter; a first electro-optic phase shifter and a second electro-optic phase shifter, whic...
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WO/2024/114504A1 |
Provided in the embodiments of the present application are a filling wave protection device, a filling wave optical source single board, a communication station and a communication networking. The filling wave protection device comprises...
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WO/2024/113812A1 |
The embodiments of present application relate to the technical field of optical communications. Provided are an optical device, an optical line terminal and a passive optical network system, which are used for realizing optical devices h...
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WO/2024/110752A1 |
An optical circuit-switched network comprising: a plurality of nodes, each node comprising one or more optical transceivers being configured to implement time-division multiplexing such that each node, at a given time, belongs to one of ...
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WO/2024/111368A1 |
Provided is a cellular optical communication system that performs optical communication, which is wireless communication by light, the cellular optical communication system comprising a base station device that manages a cell, and a term...
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WO/2024/111405A1 |
When a polarization separation monitor (3) detects that a correlation value of a first polarization signal and a second polarization signal is greater than a prescribed value, a control circuit (4) causes a filter tap coefficient update ...
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WO/2024/098994A1 |
A communication method, which relates to the field of optical fiber communications, and is applied to a processor (22) in any carriage of a train. The processor (22) is connected to an optical fiber ring network, and the processor (22) p...
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WO/2024/101478A1 |
The present invention relates to a method for optimizing power of an optical module in a multi-optical communication system, comprising the steps of: a) if there is a request for optical power management from a management device, detecti...
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WO/2024/099578A1 |
An optical apparatus (100) for selective wavelength switching of light is disclosed. The optical apparatus (100) comprises a first spatial light modulator, SLM, (120) configured to receive and redirect a plurality of demultiplexed light ...
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WO/2024/099550A1 |
Optical switching apparatus (100) for adding optical channel signals comprising: add ports (102); an optical bus (104); wavelength selective optical switching elements, WSS, (106), coupled to the optical bus, operable to add optical chan...
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WO/2024/095306A1 |
A light transmission device according to the present invention comprises light output units, branching parts, and light modulation parts. The light output units output light having a single wavelength. The branching parts branch the outp...
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WO/2024/089895A1 |
The present invention solves the problem in that because the wavelength spectrum changes in an analog manner when the settings in a plurality of phase shifters are being changed, the spectrum significantly deviates from a desired wavelen...
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WO/2024/088645A1 |
There is herein provided an optical access network comprising an optical line terminal and an optical network unit, the optical line terminal being connected to the optical network unit by an optical path, the optical path being capable ...
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WO/2024/088644A1 |
There is herein provided a method of operating a telecommunications access network having a head end and a remote end, the head end and a remote end being adapted for optical data transmission therebetween via an optical amplifier, the h...
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WO/2024/086536A1 |
Wavelength division multiplexers for space division multiplexing can include wavelength division multiplexing fanout devices or pump-signal combiners for multicore fibers. The disclosure can include wavelength division multiplexers for s...
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WO/2024/083329A1 |
Embodiments described herein relate to methods and apparatuses for providing a reconfigurable optical add-drop multiplexer, ROADM, (300) for use in an optical network. A ROADM comprises a first port (301a); a second port (302a); a third ...
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WO/2024/084295A1 |
An optical integrated chip (70A,70B,70C) integrated with a silicon substrate (S) includes a wavelength multiplexer/demultiplexer (72A,72B,72C), a first light guiding element (74), and a plurality of second light guiding elements (76,78)....
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WO/2024/086459A1 |
An IC-TROSA optical network system includes an IC-TROSA device that is included in a coherent optical transmitter device on a transmitter device and that is coupled to at least one optical network to couple the transmitter device to at l...
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WO/2024/078242A1 |
Disclosed in the embodiments of the present application are an optical-power-adjustable optical combiner/splitter, a related device and a system. The embodiments of the present application can flexibly tune the optical power of each outp...
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WO/2023/077132A9 |
Methods and systems are described for free space optical communication. An example device may comprise an optical beam separator configured to separate a first optical path into a receiving (Rx) optical path for signals received from fre...
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WO/2024/073808A1 |
An optical path monitoring process, including the following steps executed by a first node of an optical network: (i) generating photons that are at least partially indistinguishable in frequency, polarization, spatial mode and temporal ...
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WO/2024/075320A1 |
An optical wiring unit (39A) has a plurality of optical wiring paths (51-56) that have a plurality of optical paths (41A-46H) and connect between a plurality of routes (100A-100D). The plurality of optical wiring paths (51-56) are layere...
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WO/2024/075219A1 |
This optical cross connect unit switches the connection of a plurality of optical fiber core wires, the optical cross connect unit including: an optical switch that is provided to each of the optical fiber core wires; optical wiring path...
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WO/2024/067960A1 |
A first transceiver communicatively coupled to a second transceiver by a first cable and a second cable can transmit (1210) a first message to the second transceiver at a first time, T1, via the first cable. The first transceiver can fur...
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WO/2024/066695A1 |
A wavelength-selective optical cross apparatus. The apparatus comprises M input optical fibers (11), N output optical fibers (13) and liquid crystals on silicon (12), wherein the liquid crystals on silicon (12) comprise N regions (1, 2, ...
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WO/2024/067724A1 |
One or more embodiments of the present description relate to a first two-way communication device applied to a two-way communication system. The first two-way communication device comprises: a first signal transmitter, configured to tran...
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WO/2024/067160A1 |
System and method for managing spectral hole burning (SHB) effect in an optical transport network (OTN) link. The method is performed by an automatic gain control (AGC) circuit of an amplification assembly of the OTN link. The method com...
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WO/2024/062431A1 |
This invention relates to methods, a receiver arrangement, a transmitter arrangement, and system comprising both the receiver and transmitter arrangements for optical communication. The invention discloses the processing of a received be...
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WO/2024/064906A2 |
A polarizer is an optical filter that lets light waves of a specific polarization pass through while blocking light waves of other polarizations. It can filter a beam of light of undefined or mixed polarization into a beam of well-define...
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WO/2024/064300A1 |
The various implementations described herein include methods, devices and systems for power modulation and optical network coupling. A device includes a plurality of optical input ports and a plurality of optical output ports. The device...
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WO/2024/056171A1 |
The disclosure provides, inter alia, a communication device comprising: a plurality of connector ports for receiving corresponding connectors affixed to cables carrying optical signals, the plurality of connector ports comprising a first...
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WO/2024/055650A1 |
Disclosed in the present invention is a clock recovery method for multiple asynchronous wavelength label signals. The method comprises: performing channel separation on multiple asynchronous wavelength label signals, wherein the separate...
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WO/2024/051288A1 |
A bidirectional optical sub-assembly (50) and an optical module. The bidirectional optical sub-assembly (50) comprises: an optical fiber, which is used for transmitting a first optical signal to a first membrane (53) in a cavity; the fir...
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WO/2024/052314A1 |
The invention relates to an optical router (1) for distributing optical signals, comprising at least three input/output ports (10), each able to be optically connected to a transceiver (2), each input/output port comprising an optical ro...
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WO/2024/051956A1 |
A method performed by a remote node comprising a programmable wavelength-selective splitter, PWSS. The method comprises receiving (901), from a central control node, a first optical signal comprising configuration information; and config...
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WO/2024/049652A1 |
A system for implementing Bi-Di fiber optic LAN has a plurality of optical channels being transmitted over a same optical fiber by using wavelength division multiplexing and wherein at least one of the optical fiber channels have bi-dire...
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WO/2024/045450A1 |
The present application relates to the technical field of fiber optic gyroscope manufacturing, and provides a wide-spectrum light source generation system and method, and a fiber optic gyroscope. The wide-spectrum light source generation...
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WO/2024/046559A1 |
This disclosure relates to multi-band optical transmission systems and presents an amplification device for such a multi-band optical transmission system. The amplification device comprises a set of first amplifiers for amplifying first ...
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WO/2024/044153A1 |
Methods and systems for training a model include determining (604) class prototypes of time series samples from a training dataset. A task corresponding to the time series samples is encoded (606) using the class prototypes and a task-le...
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WO/2024/043959A1 |
A system supporting high availability for a passive optical network.
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WO/2024/037792A1 |
This invention provides a network node comprising: an optical fibre interface configured to receive, from one or more remote optical sources, a first optical signal, a second optical signal and a third optical signal, wherein the first, ...
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