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Matches 1 - 50 out of 16,782

Document Document Title
WO/2019/085960A1
Disclosed are a passive optical network system, and a data transmission method and apparatus. The data transmission method comprises: transmitting, on a first specified wavelength in a time division multiplexing (TDM) manner on a downlin...  
WO/2019/090220A1
An optical access network includes an optical hub having at least one processor, and a plurality of optical fiber strands. Each optical fiber strand has a first strand end connected to the optical hub. The network further includes a plur...  
WO/2019/090152A1
Described herein are systems and methods that determines a centroid of a waveform in a high noise environment. In one embodiment, the method may include determining a damping threshold and a noise-exclusion threshold for a waveform that ...  
WO/2019/082557A1
In order to efficiently allocate communication resources of an optical transmission system, this resource allocation device comprises: a resource calculation unit that derives communication resources demanded of a path on the basis of co...  
WO/2019/078122A1
Since it is difficult to easily grasp a wavelength fragmentation state in a wavelength division multiplexing optical communication network, this network management device comprises: a used wavelength information acceptance means that acc...  
WO/2019/079303A1
In one embodiment, a first group of splitters receives a group of signals from a group of transmitters. Each splitter in the first group of splitters splits a signal into a plurality of signals that are sent to a plurality of multiplexer...  
WO/2019/079225A1
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for reducing jitter and latency in a PON. In one aspect, an optical network unit includes a downstream optical receiver configured to rece...  
WO/2019/079138A1
A method for configuring hardware-configured optical links includes generating a first optical signal comprising a slow scan of wavelength channels where the slow scan has a dwell time on a particular wavelength channel. A second optical...  
WO/2019/075377A1
Near normal incidence MUX/DEMUX designs may include an optical demultiplexer coupled to a photonics die, where the optical demultiplexer comprises an input fiber, thin film filters at a first surface of a substrate, a first mirror at the...  
WO/2019/075322A1
Methods and systems for eliminating polarization dependence for 45 degree incidence MUX/DEMUX designs may include an optical transceiver, where the optical transceiver comprises an input optical fiber, a beam splitter, and a plurality of...  
WO/2019/065354A1
[Problem] To provide a light amplification device with which it is possible to minimize the level deviation between wavelengths in a broadband optical wavelength multiplexed signal. [Solution] The light amplification device 1 according t...  
WO/2019/068049A1
An example system for multi-wavelength optical signal splitting is disclosed. The example disclosed herein comprises a first splitter, a second splitter, and a modulator. The system receives a multi-wavelength optical signal and an elect...  
WO/2019/061406A1
Disclosed are a service data transmission method and apparatus, which relate to the field of communications, and solve the problem of supporting the large bandwidth, low time delay and low cost of a service in an OTN network. The specifi...  
WO/2019/065383A1
In order to provide a submarine optical transmission system that utilizes multiple wavelength bands, the submarine branching unit is provided with: a first demultiplexing part for demultiplexing a wavelength-multiplex optical signal inpu...  
WO/2019/062227A1
Provided are a data transmission method, transmission device and transmission system. The data transmission method comprises: acquiring at least one 64B/66B code block stream, the rate of each 64B/66B code block stream being a positive i...  
WO/2019/056371A1
Disclosed in the present invention are a data packet processing method, optical line terminal, optical network unit, and system. The method comprises: an optical line terminal generating and sending a data packet, wherein the data packet...  
WO/2019/053296A1
The invention relates to a method for the redundant transmission of data by means of light-based communication, wherein a data stream to be transmitted is converted into symbols. This data stream is then converted from bipolar symbols in...  
WO/2019/053699A1
A communication system that can be used, e.g., to provide high-speed access to the servers of a data center. In an example embodiment, the communication system transports data using WDM optical signals. The downlink WDM signals have some...  
WO/2019/055387A1
A method of receiving information is provided. The method is performed at a system for information transfer. The method includes receiving a first signal pulse and determining a first frequency band associated with the first signal pulse...  
WO/2019/053075A1
A data management structure (1a) on board a transportation means, incorporating a cabin (100) provided with seats (110), comprises a data resource block (210) incorporating audiovisual transmission system units (211 to 213), outward comm...  
WO/2019/048476A1
The present disclosure relates to an optical fiber access system based on passive optical networks. In particular the present disclosure relates to a PON system with increased capacity and a method for increasing the capacity in a PON sy...  
WO/2019/049030A1
The disclosure relates to a transceiver operative to transmit and receive optical signals. The transceiver comprises a laser, a power splitter, a dual-polarization in-phase and quadrature modulator, DP-IQM, a first circulator (C1, C3), a...  
WO/2019/046881A1
A fiber optic sensor arrangement is disclosed that includes a plurality of optical fiber based sensor elements, the sensor elements configured to modify an associated optical carrier signal in accordance with changes in a sensed quantity...  
WO/2019/046895A1
Described herein is a system for directing light over two dimensions. In a first embodiment, an optical beam director includes a wavelength router, such as an optical interleaver, optically coupled to an array of dispersive elements, suc...  
WO/2019/042371A1
Disclosed are an optical signal transmission system and an optical signal transmission method, which relate to the technical field of optical communication and aim to solve the problem of relatively high costs of an existing optical sign...  
WO/2019/044604A1
[Problem] To provide an optical transmission device capable of controlling the spectrum shape of a wavelength multiplexed signal and improving the transmission quality. [Solution] A light transmission device is configured to include a wa...  
WO/2019/045696A1
Example implementations described herein are directed to the management of data received from an edge side when an update is issued to edge nodes from a core apparatus. When the edge nodes receive the update, the receipt of the update ma...  
WO/2019/046810A1
An optical system includes an optical transmitter having optical transmission channels and an optical receiver having optical reception channels. The optical transmission channels are successively tuned to resonant wavelengths at which l...  
WO/2019/043748A1
Provided is an adaptive equalization filter wherein each of a first filter (11) to a fourth filter (14) is a FIR filter having one tap, and each of a fifth filter (15) and a sixth filter (16) is a FIR filter having less than 46 taps. As ...  
WO/2019/043747A1
A transmitter (100) generates a burst signal having, in the header thereof, a pilot sequence in which the signals of a first polarized wave and a second polarized wave orthogonal to each other are multiplexed, the first polarized wave an...  
WO/2019/046827A1
Metasurface elements, integrated systems incorporating such metasurface elements with light sources and/or detectors, and methods of the manufacture and operation of such optical arrangements and integrated systems are provided. Systems ...  
WO/2019/034016A1
An all-optical network comprises: a first network; a second network; and a PWXC coupling the first network to the second network and comprising passive optical components. A method comprises: receiving a first optical signal from a first...  
WO/2019/029805A1
Methods and apparatus are provided for switching an optical signal. In one aspect, an optical switching apparatus comprises a first beam splitting apparatus configured to split a first optical input signal into first and second optical s...  
WO/2019/032153A1
Techniques for high speed optoelectronic coupling by redirection of optical path are disclosed. In one particular embodiment, the techniques may be realized as an optoelectronic receiver comprising an optical signal demultiplexer that ma...  
WO/2019/031656A1
Disclosed are a method for detecting a disconnection and a disconnection location in an optical communication network system having a ring network structure, and an optical communication network system using the same. According to an emb...  
WO/2019/021972A1
The purpose of the present invention is to provide a light wavelength separation device and a light wavelength separation method that can be flexibly adapted for various channel intervals of a wavelength-division multiplexed (WDM) signal...  
WO/2019/019073A1
Disclosed are a data processing method, an optical line terminal, an optical network unit and a system. The method involves: an optical line terminal generating downlink data, the downlink data comprising first indication information and...  
WO/2019/020170A1
The disclosure provides methods, apparatus and computer-readable media for synchronization over an optical network. A method comprises: receiving, from a client, a request to initiate a synchronization service for a client node coupled t...  
WO/2019/014877A1
The present invention relates to the technical field of optical communications, and in particular to a wavelength selection technique. In one possible wavelength selection method, a destination node device receives, from an upstream netw...  
WO/2019/015484A1
An optical module, a network device, an optical system and a communication system, used to solve the problem of a relatively higher processing bandwidth occupancy in existing optical modules. The optical module is disposed in a first net...  
WO/2019/014345A1
A photonic parallel network can be used to sample combinatorially hard distributions of Ising problems. The photonic parallel network, also called a photonic processor, finds the ground state of a general Ising problem and can probe crit...  
WO/2019/014200A1
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...  
WO/2019/014204A1
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...  
WO/2019/014202A1
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...  
WO/2019/014203A1
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...  
WO/2019/009987A1
A wavelength locker includes first and second waveguides to guide light. The wavelength locker also includes a multimode interference (MMI) coupler having a number of inputs and outputs. First and second inputs of the MMI coupler are cou...  
WO/2019/004040A1
In an optical transmission system according to the present invention, optical transmitters (20a-20n) each modulate, by use of 0/1 bit string data, two optical carrier waves in which peak components of frequencies across the center positi...  
WO/2019/005474A1
An apparatus for measuring optical power includes a first component configured to at least one of multiplex or demultiplex between a first composite optical waveguide and at least a first intermediate optical waveguide and a second inter...  
WO/2019/001857A1
Disclosed herein is a method of transmitting data in an optical network (10, 100) from a first location to a second location, as well as a corresponding receiver unit and transceiver. The method comprises the following steps: modulating ...  
WO/2019/001444A1
The present invention provides a filter block 300, 800, 1000 for an optical N-channels multiplexing/demultiplexing device 600 for receiving or emitting light, wherein the filter block 300, 800 comprises: a plurality of reflecting surface...  

Matches 1 - 50 out of 16,782