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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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WO/2022/214917A1 |
An optical communication system including a hub optical transceiver, a power splitter, and a plurality of spoke transceivers. The hub optical transceiver is configured for receiving a spectrum of wavelengths. The power splitter is couple...
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WO/2022/214177A1 |
Embodiments described herein relate to methods and apparatus for generating a radio frequency (RF) signal generator using optical processing. In an embodiment an RF signal generator (100) comprises an optical comb generator module (110) ...
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WO/2022/215251A1 |
Provided is an optical access system for performing communications, using optical signals on which management/control signals used for management and control are superimposed, via a plurality of transport paths connected to a plurality o...
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WO/2022/215244A1 |
This optical access system performs communication using optical signals superimposed with management control signals used for management and control, in a plurality of transmission lines connecting a plurality of subscriber devices, and ...
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WO/2022/214656A1 |
The present disclosure relates to a method for optimizing optical fibre based transmission, in particular increase span length and/or minimizing energy consumption and cost for an optical fibre based transmission link, and the so optimiz...
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WO/2022/206191A1 |
Disclosed in the present application are an optical communication system, which is applied in the field of optical communication. The system comprises: a sending device, an optical cross-connect, and a first receiving device. The sending...
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WO/2022/208086A1 |
There is presented an apparatus for use in an optical line terminal of an optical network and for: A) transmitting first optical signals to one or more end user terminals via an optical fibre; B) receiving second optical signals from the...
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WO/2022/211898A1 |
An integrated C+L band Reconfigurable Optical Add/Drop Multiplexer, ROADM, node (1 OB, 10C, 10D) supporting integrated C and L band functionality includes one or more ROADM modules (20CL, 20CLQ) each including a demultiplexer Wavelength ...
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WO/2022/208271A1 |
Consistent with some disclosed embodiments, an optical switch includes: a scheduler; and a buffer for buffering an optical packet including, arranged in a circuit, a clock generator for generating a clock signal, an optical unbalanced Ma...
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WO/2022/202875A1 |
[Problem] To control according to the requirements of various communication services and transmit information via an appropriate communication network. [Solution] The present invention comprises: a line measurement unit 11 which measures...
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WO/2022/198735A1 |
The present invention relates to an OSNR (Optical Signal-to-Noise Ratio)-aware spectrum allocation method and system under assurance of optical channel performance. The method comprises the following steps: constructing an OSNR evaluatio...
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WO/2022/201778A1 |
A gain equalization device according to the present embodiment comprises: a first path (1) having a gain equalizer that corrects inclination of an input optical signal; a second path (2) having a through-fiber through which the input opt...
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WO/2022/201450A1 |
In an optical submarine cable system, the amount of work involved in setting up a terminal station device increases in association with an increase in volume. Thus, a wavelength multiplexing device according to the present invention comp...
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WO/2022/201763A1 |
In order to suppress the amount of calculation for properly correcting waveform distortions which are caused by both self-phase modulation and cross-phase modulation, even when parameters of a transmission path are unknown, this method c...
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WO/2022/202737A1 |
Provided is an optical amplifier, an optical relay and an optical communication system that can amplify signal light of a plurality of systems and that can realize a reduction in costs. This optical amplifier amplifies and outputs signal...
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WO/2022/203468A1 |
The present invention is formed such that, when a first optical communication module simply transmits a first transmission optical signal comprising information relating to a first channel at every first preset time, a second optical com...
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WO/2022/201699A1 |
The present invention provides a network management device, a communication device, and a network management method that make it possible to improve a transmission capacity. A network management device (NMS) according to the present inve...
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WO/2022/201712A1 |
This relay system comprises a transmission device and a reception device, and the transmission device includes: a first optical transmitter converts a first signal to a first optical signal having an equivalent transmission speed to the ...
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WO/2022/199277A1 |
Disclosed in the present application are a power compensation method and apparatus, and a communication system, which belong to the field of communications. The method comprises: acquiring the spectrum of a target optical signal of a com...
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WO/2022/193747A1 |
The embodiments of the present disclosure relate to a wavelength selective switching apparatus and a method related thereto. The apparatus comprises: at least one input port and a plurality of output ports; a dispersion assembly, which i...
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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...
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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...
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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...
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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...
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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; ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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-...
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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...
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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...
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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...
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