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WO/2023/078832A1 |
The invention relates to a method for providing, by means of a telecommunications network, a communication or connectivity service between a first location and at least a second location based on optical data transmission of a user-defin...
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WO/2023/078829A1 |
The invention relates to a method for establishing and/or for providing an optical data transmission-based connection between a first location, via at least one optical data transmission fiber, to an optical data transmission functionali...
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WO/2023/078833A1 |
The invention relates to a method for establishing or defining a network-internal transmission functionality for providing, by means of a telecommunications network, a communication or connectivity service between a first location and at...
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WO/2023/079646A1 |
This optical transmission system is provided with: a first transmission line for transmitting, using a first multimode fiber, a first optical signal that has been mode-division multiplexed; a spectrum inversion unit for generating a seco...
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WO/2023/078831A1 |
The invention relates to a method for initiating to provide, by means of a telecommunications network, a communication or connectivity service between a first location and at least a second location based on optical data transmission of ...
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WO/2023/078830A1 |
The invention relates to a method for establishing or switching an optical transmission path in order to transmit an optical signal, wherein a telecommunications network comprises a plurality of optical network nodes and wherein the opti...
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WO/2023/073927A1 |
The present invention makes it possible to accurately compensate for intra-transmitter distortion. A wavelength dispersion compensation filter (31) multiplies each of a real component and an imaginary component of each of a first polariz...
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WO/2023/067297A1 |
An optical communication system, a receiver, a transmitter, and a method of operating thereof are provided. The method includes: at a transmitter 2: emitting 50 N single-wavelength quantum beams from N faint photon sources 8; multiplexin...
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WO/2023/065005A1 |
A method of beamforming by which a signal can be received into an array of channels, each of which is split into a real-part sub-channel and an imaginary part sub-channel. In each sub-channel, optical waves are used to carry the signal v...
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WO/2023/067641A1 |
The present invention makes it possible, with a small number of taps, to carry out compensation and polarisation separation for polarisation mode dispersion, and transmitter-internal distortion compensation. A detector (21) coherently re...
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WO/2023/065325A1 |
Disclosed in embodiments of the present application are an orbital angular momentum (OAM)-based shared channel transmission method and apparatus, applicable to application scenarios such as augmented reality (AR)/virtual reality (VR), th...
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WO/2023/069830A1 |
Fabrication-tolerant on-chip multiplexers and demultiplexers are provides via a lattice filter interleaver configured to receive an input signal including a plurality of individual signals and to produce a first interleaved signal with a...
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WO/2023/061297A1 |
The present application discloses a wavelength division multiplexing device and an optical signal processing method, which are used to reduce configuration costs. In the embodiments of the present application, an upper wave loop and a lo...
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WO/2023/062914A1 |
An optical communication device including: multiple first distribution units that are connected to multiple optical transmission lines and output an optical signal input from one of first devices to one of the optical transmission lines;...
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WO/2023/063414A1 |
The present invention addresses the problem of providing a compact optical coupling system having a simple structure and an optical communication device using the same. The problem is solved by an optical coupling system (1) that couples...
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WO/2023/061025A1 |
An on-chip integrated wavelength division multiplexer (1000) and a chip. The on-chip integrated wavelength division multiplexer (1000) comprises a first-stage multiplexing module (100) and a second-stage multiplexing module (200), wherei...
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WO/2023/062915A1 |
The present invention provides an optical communication device provided with: a plurality of first distribution units that are connected to a plurality of optical transmission paths and that output an optical signal input from one of fir...
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WO/2023/059585A1 |
An optical transport network (OTN) node (100) including a plurality of optical circuit switches (OCSs) (102, 104), each OCS being a respective degree of the OTN node, at least two of the OCSs including an input port (112) configured to b...
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WO/2023/058668A1 |
The present invention can provide a highly efficient multiplexing optical communication system that has a simple optical system. An optical communication system according to the present invention comprises an optical transmitter, a trans...
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WO/2023/055828A1 |
Circuits and methods can implement reconfigurable spatial rearrangement (also referred to as "spatial multiplexing") for a group of photons propagating in waveguides. For instance, two sets of small optical multiplexer circuits (such as ...
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WO/2023/053244A1 |
An aspect of the present invention provides an optical transmission system including a transmission device connected to a transmission line including M spatial channels and a reception device that receives a signal transmitted from the t...
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WO/2023/047263A1 |
A system and method are provided for optical beamforming and interferometry using digital source modulation. In one aspect, a digitally-modulated calibration signal is included in the optical target source, for use by receiving mirrors a...
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WO/2023/046434A1 |
The invention relates to an integrated photonic chip (PIC) for generating at least one combined light emission. The integrated photonic chip (PIC) comprises a bank (LB) of lasers having different wavelengths, the bank being composed of a...
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WO/2023/042396A1 |
This optical transmission device is provided with: a wavelength cross-connect unit for inputting an optical signal transmitted from a first optical transmission device, separating out the inputted optical signal according to wavelength, ...
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WO/2023/042448A1 |
This invention enables reduction of power consumption while ensuring the waveform quality of a received signal.　Provided is an optical communication system wherein a transmitter and a receiver are connected by an optical waveguide and ...
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WO/2023/043738A1 |
Aspects of this technical solution are directed to multiplexed transmission by optical beam transmission. A method can include generating a first beam having a first frequency in an optical frequency range, generating a second beam inclu...
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WO/2023/038818A1 |
Systems and methods for coordinating an optical layer and a packet layer in a network, include a Software Defined Networking (SDN) Internet Protocol (IP) application configured to implement a closed loop for analytics, recommendations, p...
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WO/2023/036411A1 |
Provided is a method of power setting in an optical network (104, 200, 212) that includes one or more optical multiplex sections, OMS (106A-N). The method includes estimating a signal-to-noise ratio, SNR for each of one or more services ...
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WO/2023/034298A1 |
Systems and methods include an optical transceiver configured to connect to a fiber cable (102) having a plurality of fiber cores, the optical transceiver including a plurality of transmitters (108), and a plurality of receivers (106), w...
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WO/2023/029042A1 |
An apparatus includes a plurality of nodes coupled to an optical network, each node including an optical transmitter interface configured to transmit an optical signal at a location along a coupled optical path of the optical network, an...
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WO/2023/027872A1 |
Rectangular equidistant projection is applied to coordinates for path fragments of a plurality of fiber optic routes. A bounding box is generated for each path fragment. For each cell of a grid of cells where its bounding box overlaps wi...
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WO/2023/026463A1 |
In order to suppress the occurrence of the optical power difference between wavelength bands by using a simple structure, this light multiplexing/demultiplexing device comprises: a first demultiplexer that demultiplexes an inputted first...
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WO/2023/024819A1 |
An optical add-drop multiplexer, comprising an input assembly (11), a filter film (12), an output assembly (14), and a transmissive loopback assembly (13). In a process of adjusting a wave-dropping wavelength or a wave-adding wavelength ...
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WO/2023/027776A1 |
A Reconfigurable Optical Add/Drop Multiplexer (ROADM) node includes a plurality of degrees; and one or more fiber/space switches, wherein each of the plurality of degrees connect to the one or more fiber/space switches, and the one or mo...
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WO/2023/021261A1 |
The present invention relates to a method for SDM transmission over fibre optics with dual polarisation. The transmission method uses specific IQ encoding to counter the effects of PDL. The modulation symbols to be transmitted over the 2...
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WO/2023/020288A1 |
An array-type optical amplification device, wherein a first lens array (202) collimates multiple first optical signals input from a first optical fiber array (201); a multiplexing unit (203) may multiplex the multiple collimated first op...
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WO/2023/021260A1 |
The present invention relates to a method for dual-polarisation WDM transmission over optical fibre. The transmission method uses specific I/Q coding for combating the effects of PDL. The modulation symbols to be transmitted on the 2N po...
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WO/2023/019994A1 |
An optical fiber amplifier and a method for amplifying an optical signal. The optical fiber amplifier comprises: a first core spacing converter that converts a first optical signal transmitted by a first N-core optical fiber into a secon...
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WO/2023/023106A2 |
An optoelectronic device (20, 50) includes a planar substrate (30), an optical bus (40, 82, 84, 96, 140, 150, 180, 182, 224) disposed on the substrate and configured to convey coherent radiation through the bus, and an array (32, 72) of ...
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WO/2023/020676A1 |
An apparatus for carrier suppression in a frequency referenced passive optical network (PON) with point to multi-point (P2MP) topology includes central node and end nodes. The central node includes central node transmitter and single coh...
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WO/2023/014516A1 |
Methods and systems for reducing power consumption in a multi-channel passive optical network (PON). A processor in the PON may monitor the channels in the multi-channel PON to detect a currently inactive channel, determine whether the d...
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WO/2023/011040A1 |
The present application relates to the field of optical network transmission. Provided are a power adjustment method and system for an optical multiplex section, and a network device. The method comprises: acquiring power parameters of a...
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WO/2023/011699A1 |
Communications network optical apparatus (100) comprising an optical module (120) and a controller (140). The optical module (120) comprises optical modulators (122), internal lasers (124) to generate internal optical signals, an input p...
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WO/2023/006211A1 |
Embodiments described herein relate methods and apparatuses for dealing with upstream and downstream signals in a Broadcast-and-Select, B&S, node. A first B&S node comprises a first downstream port coupled to a first downstream power spl...
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WO/2023/007547A1 |
This wavelength adaptor comprises: a first conversion unit; a first filter; a second conversion unit; and a second filter. The first conversion unit converts first signal light into second signal light having a wavelength, which is not i...
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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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