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WO/2018/049613A1 |
Disclosed are communication method, apparatus and system for a passive optical network. The method comprises: an ONU sending a registration request message, the registration request message comprising a first port identification (Port 1)...
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WO/2018/053179A1 |
A fiber port management system that can be connected between network devices and network appliances is provided. The fiber port management system includes a housing, one or more hydra cables within the housing, one or more indicators and...
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WO/2018/047029A1 |
In optical amplifier assembly [308-1..308-n] for a spatial division multiplexing (SDM) optical communication system [300], each optical amplifier assembly [308-1..308-n] includes a single pump assembly [318-1..318N] configured for causin...
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WO/2018/046989A1 |
A system and method are presented for coupling OAM optical beams to optical fibers. The system may include, for instance, an OAM beam generator, for receiving one or more of a plurality of input signals, and generating a different OAM mo...
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WO/2018/040282A1 |
Aspects of the disclosure provide systems and methods which avoid the negative effects of Spectral Hole Burning when spectral changes are made for an optical communication system (OCS). Embodiments of the disclosure are directed to metho...
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WO/2018/044775A1 |
The present subject matter relates to methods, circuitry and equipment providing a multi-functional, cost effective, media independent, open platform for communication services using differential signaling interfaces. The methods, circui...
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WO/2018/045088A1 |
A system or a network may include an optoelectronic module that includes an optical transmitter optically coupled with an optical fiber, and a controller communicatively coupled to the optical transmitter. The controller may be configure...
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WO/2018/039716A1 |
Disclosed herein is an optical signal transmission system (10). The optical signal transmission system (10) comprises a multimode optical fibre link (12). The multimode optical fibre link (12) is for transmission of a plurality of optica...
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WO/2018/044998A1 |
Techniques are disclosed for providing relatively short distances between multi-channel transmitter optical subassemblies (TOSAs) and associated transmit connecting circuit in order to reduce losses due to signal propagation delays, also...
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WO/2018/044750A1 |
A distribution point unit to exchange communication data between a service provider and subscribers. The distribution point unit may include a first port to couple the distribution point unit to an optical data network to exchange commun...
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WO/2018/040384A1 |
Disclosed are an optical multiplexing and demultiplexing module having an automatic discovery function, comprising a signal transmission part and a signal reception part. The signal transmission part transmits, by modulating a laser tran...
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WO/2018/035767A1 |
Provided is a segmented cascaded micro-ring resonator device, comprising a micro-ring resonator cascading device having L segments, wherein each segment of the cascaded micro-ring resonator device comprises a filter module and a micro-ri...
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WO/2018/039206A1 |
An O-band optical communication system includes a transmitter, a receiver, and an optical fiber system coupled between the transmitter and the receiver. The optical fiber system includes at least a first fiber segment, with a positive di...
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WO/2018/038187A1 |
A process for detecting a detuning which currently exists at a wavelength splitter within an optical fibre transmission network, comprises assessing expected values relating to at least two light sub-carriers, and determining actual valu...
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WO/2018/037362A1 |
It is disclosed a mode division demultiplexing optical communication system (1). The system comprises a multimode optical fiber (4), an optical device (2) for demultiplexing modes with a different orbital angular momentum and a diffracti...
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WO/2018/035954A1 |
An n-bit electro-optic modulator (EOM) (300) for converting an electrical signal into an optical signal is provided. The EOM (300) includes a plurality of n optical modulators (313 1 ……n), pairs of the plurality of n optical modulato...
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WO/2018/035437A1 |
The present disclosure is directed to a keyed optical component assembly that ensures that the same has a proper orientation when press-fit into or otherwise coupled to a complimentary opening of an optical subassembly housing. In an emb...
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WO/2018/029752A1 |
The present invention relates to an optical relay device (20) in an optical transmission system comprising an optical transmission network formed by a plurality of optical relay devices, and a network management device managing the optic...
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WO/2018/024323A1 |
A method (10) of bi-directional optical communication, the method comprising: generating (12) a first optical communication signal for transmission in one direction through an optical fibre, generating the first optical communication sig...
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WO/2018/024330A1 |
A wavelength selective optical switching arrangement (23) comprises a set of input ports (61), a set of output ports (65); a switching matrix; and a plurality of de-multiplexers each comprising an aggregate port (62) and a plurality of t...
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WO/2018/021403A1 |
An optical transmitter of an optical data transmission system for transmitting data via an optical fiber transmission line is provided with a main signal generation unit for converting first transmission data into a prescribed signal for...
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WO/2018/014328A1 |
Provided in the embodiments of the present invention is an optical add/drop multiplexer, comprising: a plurality of tunable optical add/drop multiplexers (T-OADMs), each T-OADM comprising a second wavelength control unit and two grating ...
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WO/2018/014565A1 |
The embodiments of the present disclosure relate to a method and device for sending and receiving data. The method for sending data comprises: encoding, at an optical line terminal, data to be sent on a plurality of wavelength channels; ...
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WO/2018/016759A1 |
The present invention relates to a device for measuring an optical wavelength and, more particularly, to a device for measuring an optical wavelength transmitted through an optical line of an optical communication network in which a plur...
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WO/2018/012863A1 |
The present invention relates to a next generation in-building relay system and method for providing a 5G service using a wideband in superhigh frequencies of 30-300 GHz in a building by sharing an optical cable already wired in the buil...
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WO/2018/010816A1 |
The present invention relates to a multi-channel IM-DD optical transceiver comprising at least one transmitter and a receiver, and a method for equalizing input samples at an adjusted sampling phase using a quality parameter linearly pro...
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WO/2018/013756A1 |
A system and method for improving for amplifying a multi-frequency radio signal by using high efficiency amplifiers to amplify one radio frequency carrier at a time. The system further improves performance by providing parallel communica...
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WO/2018/008154A1 |
This optical component (50) includes a first filter element (21), a second filter element (22), a reflective element (3), a first reflection structure, and a second reflection structure. The first filter element reflects a first optical ...
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WO/2018/003083A1 |
The communication device (1) comprises: an optical transmitter/receiver (12-1) for transmitting optical signals having a first optical frequency; and an optical transmitter/receiver (12-2) for transmitting optical signals having a second...
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WO/2018/003095A1 |
An ONU (2-1) according to the present invention is equipped with: a management control signal generation unit (211) that generates a control signal for requesting the assignment of a wavelength from an OLT; a modulation frequency selecti...
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WO/2018/006084A1 |
A telecommunications device (102) includes a first transceiver, a second transceiver, and a state monitor (124). The first transceiver communicates over a broadband link. The second transceiver communicates over a radio link (126). The r...
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WO/2018/005754A1 |
A proactive and non-obtrusive channel probing scheme is provided to accurately predict channel power, gain, and optical signal to noise ratio (OSNR) without disrupting the existing connections. In one example, using a probe signal with 5...
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WO/2017/220454A1 |
The present invention relates to an optical link, comprising an optical converter circuit (16) having an optoelectronic device (18) and circuitry (20) connected to the optoelectronic device (18). The optoelectronic device (18) has a plur...
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WO/2017/220040A1 |
An optical line terminal (OLT), comprising N adjustable modules, the adjustable modules including M adjustable transmitters wherein the number of tuning channels is greater than or equal to 2 and less than M×N, N and M being integers gr...
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WO/2017/217254A1 |
An optical signal relay apparatus relays a plurality of optical signals that have a plurality of respective bit rates and that are wavelength multiplexed. The optical signal relay apparatus is provided with: a separation unit that separa...
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WO/2017/217334A1 |
Provided is an optical fiber with a core showing the refractive index profile of a graded-index, the optical fiber capable of transmitting Z or more (Z is an integer of 2 or more) transmission modes. An α parameter is set to a value so ...
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WO/2017/215607A1 |
Provided are a channel management method and apparatus for a passive optical network (PON) port. The method comprises: when registering with an optical network unit, acquiring a configuration mode of the optical network unit; using pre-a...
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WO/2017/215380A1 |
A service adjustment method and apparatus for uplink/downlink of a service site, the method comprising: determining whether a service site is configured as a wavelength-independent site; acquiring used uplinks/downlinks of the service si...
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WO/2017/211413A1 |
The invention relates to an optical communication system and method, the system comprising at least two optical channels for communicating optical data signals; at least one optical filter arrangement (5, 50) for compensating distortions...
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WO/2017/213813A1 |
A communication system (200, 200a-e) includes a first and second trunk terminals (110, 110a-b), a plurality of communication trunks (222, 400), and power feed equipment (212). Each communication trunk couples the first trunk terminal to ...
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WO/2017/206294A1 |
As network traffic grows and more data needs to be transmitted through a network, it is desired to use optical switching systems that allow for switching between a large number of nodes. An optical switching system according to one embod...
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WO/2017/209803A1 |
One embodiment of the present invention provides an optical link coupling two nodes in an optical transport network. The optical link includes a fiber span, which includes a first optical fiber, a second optical fiber, and a splitter. Th...
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WO/2017/206683A1 |
Spatial division multiplexing (SDM) allows multiple optical signals to be multiplexed onto a single optical link. Performance of SDM systems may be improved by monitoring performance metrics indicative of crosstalk between the spatially ...
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WO/2017/210550A1 |
An optical neural network is constructed based on photonic integrated circuits to perform neuromorphic computing. In the optical neural network, matrix multiplication is implemented using one or more optical interference units, which can...
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WO/2017/206306A1 |
The embodiment of the invention provides a data frame transmitting method comprising: receiving, from a first PON channel, a data frame sequence, wherein a data rate in the first PON channel is a sum of data rates in N second PON channel...
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WO/2017/201886A1 |
A communication system for two paths of terahertz waves, comprising: a terahertz wave generation module (10); a terahertz wave transmission channel (20) connected to the output port of the terahertz wave generation module (10); and a ter...
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WO/2017/204872A1 |
A specification of an intent that identifies a desired service and a reference architecture is received. The desired service is rendered to provide instructions for dispatch to a plurality of devices having roles. Rendering the desired s...
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WO/2017/205652A1 |
A high speed satellite-based laser communications system and method for communications between a satellite-based transmitter system and a ground-based receiver over a free space optical link. The satellite-based transmitter system includ...
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WO/2017/201757A1 |
Disclosed in embodiments of the invention are a service transmission method and a first transmission device. The method comprises: mapping n client signals all having a rate t to ms/t sub-load regions of m FlexO frames, wherein a payload...
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WO/2017/202204A1 |
The disclosure is directed to an optical telecommunications system which includes a central node and a plurality of user nodes. The central node provides the light necessary to enable communication between the user nodes. Within the cent...
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