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Patent Searching and Data


Matches 1 - 50 out of 16,471

Document Document Title
WO/2018/130362A1
A method in a transceiver apparatus for monitoring an optical link over which one or more data signals are to be transmitted comprises time interleaving a test signal with an auxiliary management and control channel, AMCC, signal to form...  
WO/2018/131155A1
The present invention is provided with: a cross-connect setting unit (121A) for adjusting the intensity level per wavelength of an optical signal; an optical output level detection element (122A) for detecting the intensity level per wav...  
WO/2018/129565A1
Systems and methods are provided for an optical network unit (ONU) to automatically set its output power level for messages to be transmitted on a passive optical network. The ONU can autonomously determine the appropriate power level ba...  
WO/2018/123921A1
Provided is an optical signal processing device having a wavelength demultiplexing means that is designed individually with respect to each wavelength band, and equipped with a spatial light modulator and the like used in common for each...  
WO/2018/123718A1
[Problem] To obtain a reception device with which it is possible to perform optimum high-density wavelength multiplexing that conforms to a transmission condition and improve the efficiency of frequency utilization. [Solution] A receptio...  
WO/2018/120194A1
Embodiments of the present application relate to the field of communications. Provided are a method and apparatus for generating a wavelength routing network topology, which can resolve the problem of a difference existing between a phys...  
WO/2018/122146A1
A wavelength selective switching device comprises a plurality of input paths for receiving optical signals, a plurality of output paths for emitting the optical signals, and a switching unit for selectively directing the optical signals ...  
WO/2018/121919A1
The proposed invention is in the area of managing resources in optical transport networks, for example in the area of in-operation media channel format and spectrum management. For this purpose, the type of Media Channel Format is determ...  
WO/2018/123717A1
[Problem] To obtain a reception device with which it is possible to stably perform communication in which subcarriers are multiplexed at intervals less than or equal to a baud rate. [Solution] A reception device 20 is configured as being...  
WO/2018/120549A1
Disclosed is a method for processing a time stamp in an EPON, the method comprising: detecting a delay in an MPCP packet passing through a PCS and a delay in same passing through an MAC coding layer; acquiring a first time stamp carried ...  
WO/2018/123122A1
This optical transmitter is provided with multiple light emitting units which transmit optical signals having mutually different wavelengths and are configured to have a modifiable optical signal wavelength. At least one of the light emi...  
WO/2018/118177A1
A remote node (170) includes a first node input (531), a second node input (532), and an optical switch (600). The optical switch includes a first switch input (610) optically coupled to the first node input, a second switch input (612) ...  
WO/2018/118175A1
A carrier office includes an optical line terminal (OLT) (120), a first transmit- erbium-doped fiber amplifier (EDFA) (430a), and a second transmit-EDFA (430b). The OLT is configured to transmit first and second optical signals (102a, 10...  
WO/2018/114176A1
Disclosed herein is a method of transmitting a data stream from a first location to a second location through an optical network, as well as a corresponding performance monitoring unit, a transmitting arrangement and a receiving arrangem...  
WO/2018/107367A1
An optical transmitter including first, second, third and fourth signal generators configured to transmit first, second, third and fourth optical signals, a first filter configured to combine the first optical signal with the second opti...  
WO/2018/109800A1
A relay device (4) is provided with: a data signal switch unit (106) which can change the sub-channels to which data signals of a multi-channel signal are allocated, said multi-channel signal including a plurality of data signals that ar...  
WO/2018/108235A1
A method (100) for dual polarisation optical transmission is disclosed. The method comprises splitting a continuous wave light source into first and second sub-channels (110), optically modulating each sub-channel with a data signal (120...  
WO/2018/102991A1
Provided by the embodiments of the present application is an apparatus and method for generating an optical signal, the apparatus comprising: a micro-ring modulator, configured for modulating a data signal into a first optical signal; a ...  
WO/2018/103095A1
Provided are a method for data transmission, a terminal device and a network side device. The method comprises: a terminal device selecting a first code word from at least one code word; the terminal device encoding a first identifier us...  
WO/2018/105506A1
(Problem) To address the problem of an increase in the complexity of the structure of a ROADM device using a WSS device when WSS is multiplexed or made redundant. (Solution) An optical transmission device provided with an optical add-dro...  
WO/2018/104725A1
We describe a space-division multiplexed (SDM) fibre, reconfigurable, wavelength- selective switch (WSS). The switch comprises a space-division multiplexed (SDM) optical input port to receive a space-division multiplexed (SDM) optical in...  
WO/2018/098858A1
An optical multiplexer/demultiplexer optical interface device for a high-speed optical module comprises a packaging housing (102), an external-connection optical interface unit (100), two internal-connection optical interface units (118,...  
WO/2018/099270A1
The invention discloses a passive optical network (PON) system and an implementation method thereof. A first transmission channel and a second transmission channel are provided between an optical line terminal (OLT) and an optical networ...  
WO/2018/100573A1
A method for use in encryption of optical signal is presented. The method comprising: providing an input optical signal; providing a pump optical signal having a predetermined wavelength and amplitude profile, and interacting said pump o...  
WO/2018/096866A1
[Problem] To provide an optical transmission method and an optical transmission device with which it is possible to perform high speed transmission by means of an OTDM scheme in which a high-speed optical signal is generated with the min...  
WO/2018/096286A1
The present invention concerns a method for determining at least one regenerative relay node from among the relay nodes included in an optical transmission line between a transmitter node and a receiver note, the transmission line compri...  
WO/2018/090906A1
An apparatus comprising a polarization beam splitter optically coupled to a first light path and a second light path and configured to receive a CW light having a plurality of wavelengths, forward a first light beam of the CW light along...  
WO/2018/090085A1
Described herein is a system for directing light over two dimensions. The system includes a dispersive element arranged to direct light over an initial dimension based on wavelength. The system also includes an array of steering elements...  
WO/2018/090296A1
Provided are a passive optical network communication method, device and system. The method comprises: receiving an Ethernet packet, wherein the Ethernet packet carries an optical network unit identifier; searching for a correlation betwe...  
WO/2018/090566A1
An optical transceiver is provided with an optical front end for receiving signal light comprising an optical sub-channel, and for providing an electrical signal based on the signal light; a light source optically coupled to the optical ...  
WO/2018/093461A1
A method (500) of establishing communication between an optical line terminal (120) and an optical network unit (140) within an optical access network (105) includes receiving a signal indication (128) from an optical transceiver (122) o...  
WO/2018/083886A1
Provided is a node structure with which it is possible to share a wavelength converter simultaneously and flexibly in a plurality of optical paths and wavelengths in an optical communication network that performs optical wavelength-divis...  
WO/2018/082461A1
Disclosed in the embodiments of the present invention are a method and device for sending and receiving data, said method for sending data comprising: according to received wavelength channel information regarding an optical network unit...  
WO/2018/076195A1
Provided are an optical signal transmission method and device, and a wavelength selective switch. The method comprises: performing diffraction processing on an input optical signal to obtain signal light and cross-talk light, wherein the...  
WO/2018/079445A1
[Problem] To provide an optical branching/coupling device having high reliability. [Solution] An optical branching/coupling device is provided with: a first optical branching means configured to be able to branch first light including an...  
WO/2018/079086A1
Provided is a network system featuring low power consumption, high speed, a compact size, and low cost. According to this embodiment, a network system is provided with a plurality of nodes and a plurality of optical amplifiers. A first n...  
WO/2018/074705A1
The present invention relates to a wavelength multiplexing optical receiver module, and more particularly, to a wavelength multiplexing optical receiver module that can be manufactured into a compact size by forming the optical receive m...  
WO/2018/074301A1
An optical transmission device that comprises a light source, a directional coupler, and a light transmission path that has a transmission path core that is optically coupled to the directional coupler. The light source has: a first ligh...  
WO/2018/074412A1
Provided is an encoding device that comprises an encoding unit, DA converters, light sources, intensity modulators, and wavelength multiplexers. The encoding unit adds (NM/2) to an encoding signal a minimum value of which is negative in ...  
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/2018/071359A3
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/2018/071359A2
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...  

Matches 1 - 50 out of 16,471