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Matches 1 - 50 out of 16,384

Document Document Title
WO/2018/068507A1
Disclosed are a control method and device for a micro-ring resonator. The method comprises: receiving an instruction, wherein the instruction is used for configuring an operation wavelength of the micro-ring resonator; determining whethe...  
WO/2018/071359A2
Various embodiments relate to bi-directional optical communication. An optical system may include a first transceiver module including at least one transmitter and at least one receiver, wherein each transmitter of the at least one trans...  
WO/2018/065393A1
The invention relates to a QKD System Active combiner (200) adapted to be installed in a QKD apparatus, said QKD apparatus comprising an emitter (100), a receiver (110) and QKD systems (102/112), wherein the emitter (100) is adapted to s...  
WO/2018/065031A1
A data center network node (28) comprises one or more switch (18,19,22,23) configured to link an optical transceiver (16,17) to an optical connection comprising a multi-core optical fiber (30) having a plurality of cores (31 ). For each ...  
WO/2018/065327A1
The present invention relates to a system (100, 200, 300, 400) for noise loading, an associated WDM terminal (1100, 1200, 1300, 1400) and a process for sequential lighting of fibers in an undersea communications system. The noise loading...  
WO/2018/062281A1
An optical transmission system according to a mode of embodiment of the present invention is an optical transmission system which combines a plurality of wireless communication systems, and is provided with a wavelength allocating unit w...  
WO/2018/060887A1
A method for managing a telecommunication network comprising the steps of identification, by the central controller, of an updated condition of availability of resources of the network, and association of a plurality of updated sequences...  
WO/2018/055042A1
Disclosed herein is a method of assigning a wavelength to a given light path in a wavelength switched optical network, as well as a corresponding routing engine and computer program. The method comprises the following step. For each of a...  
WO/2018/056285A1
In optical communication networks using wavelength-division multiplexing, efficient use of an optical communication network becomes difficult if use of optical frequency slots is focused in a specific optical fiber, causing a drop in opt...  
WO/2018/054491A1
A method (100) for facilitating Optical Supervisory Channel (OSC) communications between a main site and a plurality of remote sites in an optical network is disclosed. The main and remote sites are comprised within a Radio Access Networ...  
WO/2018/052345A1
An optical transceiver (70) comprising: an optical waveguide (12); a first and second add-drop ports (72, 74); an optical transmitter (80) coupled to a reconfigurable optical channel-add apparatus (84) comprising a first add path (86), a...  
WO/2018/051935A1
The present invention provides a monitoring system and a monitoring method with which it is possible to successfully monitor a transmission line that transmits an optical wavelength division multiplexed signal. A monitoring system for a ...  
WO/2018/050093A1
The disclosure relates to technology for constructing an optical network. A central node is selected among a plurality of nodes in the optical network, and each of the nodes is connected to the central node via a set of superchannels, wh...  
WO/2018/051028A1
The invention relates to a device for controlling the load (10) of an optical transmission line (L), the input of which is coupled to an emission device (20), capable of modulating with data and multiplexing a plurality of so-called "use...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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; ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 1 - 50 out of 16,384