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WO/2019/141168A1 |
A computer implemented method of configuring an optical path includes selecting with one or more processors a wavelength for the optical path, generating with one or more processors, a first request for a first type of node in the optica...
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WO/2019/140999A1 |
Disclosed in the present application are a wavelength division multiplexing optical transmission apparatus and system, and an implementation method, the wavelength division multiplexing optical transmission apparatus comprising a transmi...
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WO/2019/138246A1 |
There is presented an apparatus for use with a Wavelength Division Multiplexed Passive Optical Network (WDM-PON). The apparatus comprises an electronic controller, optical transmitters and a wavelength multiplexer. The electronic control...
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WO/2019/137734A1 |
An optical data transmission system and method for, at an optical transmitter: converting to a second wavelength, an optical data signal at a first wavelength; transmitting at the second wavelength, the optical data signal to an optical ...
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WO/2019/108547A9 |
Improved optical network configurations are described incorporating ROADM component structures that are compatible with simplified user transceivers. The ROADM component structures generally include a reconfigurable optical add/drop mult...
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WO/2019/136293A1 |
A system for analyzing an optical transport network is provided. The system can generate a linear OSNR and an output power profile for each optical link element of an optical link based on an input power profile, amplifier characteristic...
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WO/2019/129518A1 |
The invention relates to a device for manipulating a light radiation by reflecting said light radiation multiple times on at least two reflecting surfaces of a monolithic block made of homogenous transparent material. The device comprise...
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WO/2019/128934A1 |
The present application provides a service transmitting and receiving method and device in an optical transport network (OTN). The service transmitting method in the OTN comprises: mapping an optical data unit (ODU) service into a cell o...
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WO/2019/133417A1 |
A coherent optical receiver capable of receiving data encoded in optical bursts whose optical power can vary significantly from burst to burst. In an example embodiment, the coherent optical receiver comprises a variable optical attenuat...
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WO/2019/131804A1 |
An optical module that provides a semiconductor modulator, an input lens system and first and second output lens systems, and two monitor photodiodes is disclosed. The semiconductor modulator provides an input port, first and second outp...
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WO/2019/129158A1 |
Embodiments of the present application relate to the technical field of communications, and provide an optical receiving component, a combined transceiver component, a combined optical module, an optical line terminal, and a passive opti...
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WO/2019/125670A1 |
Disclosed herein is wavelength-division multiplexer with an internal optical signal tuned by a mounted signal pitch router. In particular, disclosed is a wavelength-division multiplexing (WDM) optical assembly including an optical signal...
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WO/2019/120270A1 |
Narrow linewidth multi-wavelength (MW) light sources (102) and related methods are disclosed. Such a light source (102) includes gain chips (104_1,104_2,...,104_N) coupled to a wavelength combiner and reflection chip (106) that includes ...
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WO/2019/126772A1 |
A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photon...
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WO/2019/116776A1 |
The purpose of the invention is to achieve a setting change in a control unit provided in a submarine optical transmission device that has been laid. An optical component (13) processes a main signal SM inputted from an optical transmiss...
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WO/2019/118911A1 |
An optical IQ demodulator that does not require a power-consuming DSP is disclosed. A DC offset is added to one of the I and Q optical signal components at an IQ transmitter. After mixing with an LO signal and differential detection at t...
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WO/2019/114646A1 |
The inclusion of a pilot tone as a modulation of an optical data signal reduces the optical signal to noise ratio (OSNR). Methods and apparatus for receiving an optical signal are provided that compensate for at least a portion of the pi...
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WO/2019/114942A1 |
Device (200,300) and method (500) for processing an optical signal. The device (200,300) comprises a photonic device (202,302) arranged between a first input/output (204,304) and a second input/output (206,306) and optically communicatin...
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WO/2019/114961A1 |
An optical link (100) for a communication network, the optical link comprising: an optical fibre link (102); a downstream transmitter (112), a downstream receiver (114), an upstream transmitter (122) and an upstream receiver (124), where...
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WO/2019/116019A1 |
A de-multiplexer (1) for separating two co-propagating modes of electromagnetic radiation includes a volume (2) having a path therethrough for receiving electromagnetic radiation, an input (8) for directing two co-propagating modes of el...
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WO/2019/112735A1 |
One embodiment of the present invention provides an optical transceiver. The transceiver can include a transmitter and a receiver. Each of the transmitter and receiver can include a plurality of space-division multiplexing (SDM) channels...
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WO/2019/107471A1 |
In a configuration in which a coarse-granularity switching device is introduced to connect a terrestrial optical communication system and an undersea optical communication system, the rate of optical path allocation failure increases. To...
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WO/2019/100706A1 |
Disclosed in the present invention are a protection group superposition switching method, a control device and optical communication equipment, which implement multiple protection state machines by means of a field-programmable gate arra...
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WO/2019/103940A1 |
Parallel optical transponders with an optical comb source, and methods of using the same, are provided. The optical comb source can provide multiple optical carriers from a single source. The multiple optical carriers can be phase-aligne...
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WO/2019/098475A1 |
The present invention provides a wavelength division multiplexing passive optical network, which is more simplified than that of a conventional method, and a method for tuning the wavelength of an optical signal in an optical communicati...
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WO/2019/095621A1 |
Disclosed in the embodiments of the present application are an upload and download filter and an optical add-drop multiplexer, capable of implementing closed-loop control of the upload and download filter. Provided in the embodiments of ...
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WO/2019/096371A1 |
Methods and apparatus are provided for receiving an optical signal. In one aspect, a method comprises receiving a first optical signal comprising time division multiplexed transmissions from a plurality of optical transmitters, and deter...
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WO/2019/095490A1 |
A radio-over-fiber communication beamforming device and method using an arrayed waveguide optical grating. A radio frequency signal is modulated onto multiple wavelength carriers and is processed in an optical domain by a programmable op...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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