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WO/2016/025398A1 |
A network element includes first and second multiplexers, first and second interfaces, and first and second selecting units. The multiplexers are communicatively coupled. The first interface is communicatively coupled to the first multip...
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WO/2016/020525A2 |
Systems and methods for controlling a guide with the aid of optical coherence tomography (OCT) data are described. A guide wire includes at least one optical fiber, a flexible substrate, and one or more optical elements. The at least one...
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WO/2016/019798A1 |
In one embodiment, a photonic switching fabric includes a first stage including a plurality of first switches and a second stage including a plurality of second switches, where the second stage is optically coupled to the first stage. Th...
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WO/2016/020602A2 |
The invention relates to a system for emitting data in an optical network comprising source nodes (1-1, 1-2, 1-3, 1-4, 1-5), which are able to each generate, in a spectral band associated therewith, a multi-carrier optical data signal ob...
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WO/2016/017181A1 |
In order to provide an optical communication technology that achieves flexibility in a ROADM system, this optical communication device inserts and branches wavelength division multiplexing optical signals that travel along a main path co...
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WO/2016/018966A1 |
Methods of decoding N superimposed coherent optical transmission modes transmitted along a multimode optical fiber are provided where the optical signal detector comprises coherent detection hardware and a digital signal processor. The o...
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WO/2016/016783A2 |
Aspects of embodiments relate to an optical transceiver device, comprising: a detection region for detecting light at a first wavelength for down-conversion; and a modulation region for modulating light at a second wavelength longer than...
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WO/2016/008111A1 |
Disclosed are a communication method, apparatus and system for a passive optical network. The method comprises: receiving, by an optical network unit, a first message sent by an optical line terminal, wherein the first message carries ba...
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WO/2015/179449A9 |
Method and apparatus of an optical routing system ("ORS") capable of automatically discovering intra-nodal fiber connections using a test channel transceiver ("TCT") are disclosed. ORS, in one embodiment, includes a set of reconfigurable...
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WO/2016/007971A1 |
Configuring an optical point to multipoint communication network includes assigning a channel number C i by modulo-N arithmetic to each of a plurality of N access points, each of the plurality of N access points i) including a laser and ...
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WO/2016/005008A1 |
A transport network (10) is configured to connect a plurality of remote radio units (3) with a plurality of digital units (5) in a radio access network. The transport network comprises an electronic cross-connect (31) common to the plura...
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WO/2016/002922A1 |
Provided is a space-OAM conversion and OAM combining/branching device capable of increasing multicore fiber transmission channels. A space-OAM conversion and OAM combining/branching device (10) is a space-OAM conversion and OAM combining...
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WO/2016/002736A1 |
Provided is an optical path cross-connect device that has a path switching function for optical nodes within an optical network, and that has very small-scale hardware. With respect to any of a plurality of optical cross-connect units th...
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WO/2016/001078A1 |
The invention concerns a system and method of optical fibre transmission (130) with switching of modes or cores. The system comprises a space-time encoder (110) and a plurality of modulators (1251,...,125n) respectively associated with s...
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WO/2015/196437A1 |
Embodiments provide a system, device and method for memory access. The system comprises a data sending device (21), an optical transmission medium (22) and a data receiving device (23); the data sending device (21) comprises a signal gen...
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WO/2015/196682A1 |
A device for extracting an ODUflex overhead, a device for inserting an ODUflex overhead, a method for extracting an ODUflex overhead and a method for inserting an ODUflex overhead. The device for extracting an ODUflex overhead comprises:...
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WO/2015/200420A1 |
An optical transceiver generally includes an injection locked (IL) laser configured to generate a transmit (Tx) optical signal for transmission over an optical network and a laser driver circuit configured to modulate the IL laser based ...
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WO/2015/198571A1 |
Multicarrier light transceivers each have a restricted flexibility in allocating light transport frames to light subcarriers and hence have a drawback that it is hard to configure a multicarrier light transport system having a high effic...
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WO/2015/198383A1 |
A Stokes vector acquisition unit (252) acquires a standardized Stokes vector in a dual polarization multilevel intensity modulation (DP-M-IM) signal receiver (200). The Stokes vector acquisition unit (252) further acquires the power of a...
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WO/2015/192735A1 |
An apparatus comprises a receiver configured to receive first messages, a processor coupled to the receiver and configured to process the first messages, determine transmission powers associated with the first messages, and generate a tr...
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WO/2015/190328A1 |
A method for transmitting data over an optical super-channel partitions the data unequally into a set of data streams for transmission over the set of sub-channels of the super-channel, such that a size of a first data stream for transmi...
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WO/2015/188606A1 |
A multi-channel integrated optical wavelength division multiplexing/demultiplexing assembly structure, comprising a light transmitting assembly (10) and a light receiving assembly (20); the light transmitting assembly (10) comprises a la...
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WO/2015/188372A1 |
An optical buffer and an optical buffering method. The optical buffer comprises: an input waveguide (201), an output waveguide (202), and at least one waveguide ring (203) disposed between the input waveguide (201) and the output wavegui...
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WO/2015/184604A1 |
A wavelength switching method, device and system, the wavelength switching method comprising: an OLT (110) transmits a wavelength switching command to an ONU (120), the wavelength switching command being used to indicate that the ONU (11...
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WO/2015/187922A2 |
The temperature at different locations along a multiplexed laser array may be monitored by sensing temperature at two locations within a transmitter optical subassembly (TOSA) package housing the laser array. The temperature at the two l...
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WO/2015/184587A1 |
Provided are an optical packet sending method and device, a processing method and an optical switching device. The sending device comprises: a processor for obtaining a first optical packet load and/or a third optical label, and obtainin...
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WO/2015/182070A1 |
Because, in a trunk optical network, it is difficult to maximize the efficiency of traffic accommodation as the whole of the optical network, this optical network management device has: a route search unit for accepting a plurality of tr...
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WO/2015/182075A1 |
Because it is difficult to increase the efficiency of using optical network resources in an optical network of shared protection type without incurring a decline in the reliability of the optical network, this optical network management ...
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WO/2015/180469A1 |
An optical switch and a wavelength division multiplexing optical system. The optical switch (100) comprises an input port array (110), an input end collimator array (120), an input end micromirror array (130), an output end micromirror a...
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WO/2015/180605A1 |
Hybrid dilated Benes photonic switching architectures employ an arrangement of two-by-one (2x1) photonic and two-by-two (2x2) photonic elements to enjoy improved cross-talk performance while maintaining moderate cell counts. A jumpsuit s...
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WO/2015/183364A2 |
A system and method of condition based maintenance of a fiber network includes a processor and memory having instructions that when executed cause the system to transmit an optical signal over a plurality of fiber links in the fiber netw...
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WO/2015/180508A1 |
Disclosed are a wavelength division PON system based open network architecture and signal transmission method, which relate to the technical field of optical access of passive optical networks. The network architecture comprises a contro...
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WO/2015/176764A1 |
An optical switch, comprising: a first optical waveguide, a first optical add path, a second optical add path and a micro-ring resonator. The micro-ring resonator is operable to add a first optical signal at a preselected wavelength rece...
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WO/2015/178997A1 |
Systems and methods of optimizing capacity of an optical network include analyzing a plurality of wavelength services in the optical network; determining an optimization of the plurality of wavelength services to increase the capacity of...
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WO/2015/172279A1 |
A wavelength switching method, device and system. The method comprises: encapsulating a logical link identifier (LLID) of an optical network unit (ONU) and a wavelength allocated to the ONU into a first multi-point control protocol (MPCP...
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WO/2015/172230A1 |
A hybrid optical electronic mapper-shuffler-reducer structure is presented to enhance the interconnection of current multi-dimensional direct networks. The physically intrinsic multicast design of the hybrid optical electronic mapper-shu...
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WO/2015/170178A2 |
We disclose a network element having one or more OAM components that enable the network element to send and receive in-band service messages without disrupting the flow of user data on the wavelength channel(s) used for the transmission ...
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WO/2015/168105A1 |
An optical line terminal (OLT) comprises a target OLT channel termination (CT), and a source OLT CT in communication with the target OLT CT, wherein the source OLT CT is configured to exchange tuning messages with the target OLT CT to in...
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WO/2015/165046A1 |
Disclosed are a wireless communications system and a radio frequency apparatus. The wireless communications system comprises a baseband processing unit, an optical multiplexer, M first optical transceivers, and a radio frequency apparatu...
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WO/2015/165488A1 |
A switch (10) configured to connect a plurality of remote radio units (3) with a plurality of main units (5) in a radio access network. The switch comprises a first stage (30) comprising one or more first units (18) configured to receive...
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WO/2015/164043A1 |
Powering an active/splitter and providing information to ONUs to cause adjustments to ONU operating wavelengths. An ONU may identify the port of a splitter to which the ONU is connected in order to make wavelength adjustments. Various te...
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WO/2015/164055A1 |
An active receiver structure that combines a large number of detectors without bandwidth penalty may provide a better signal-to-noise ratio (SNR) than conventional Radio Frequency over Glass (RFoG) networks. A transmission line receiver ...
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WO/2015/162874A1 |
Since it is difficult, due to the occurrence of fragmentation of optical frequency bands, to improve the usage efficiency of optical frequency bands in an optical network that uses a dense wavelength division multiplexing method using a ...
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WO/2015/162875A1 |
Since it is difficult, due to the occurrence of fragmentation of optical frequency bands, to improve the usage efficiency of optical frequency bands in an optical network that uses a dense wavelength division multiplexing method using a ...
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WO/2015/164037A1 |
Systems and methods for detecting laser transmission bursts in a CATV network.
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WO/2015/164799A1 |
Embodiments are provided for scalable photonic packet fabric architectures using photonic integrated circuit switches. The architectures use compact size silicon photonic circuits that can be arranged in a combined centralized and distri...
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WO/2015/160073A1 |
An optical module device is disclosed. That is, an optical module device is formed in which two bidirectional integrated optical elements for transmitting and receiving optical signals by using two wavelength bands are integrated into on...
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WO/2015/157964A1 |
An optical signal to noise ratio (OSNR) monitoring method and device, ensuring accuracy of OSNR monitoring; the method comprises: coupling signals under test with specific noise signals to generate combined signals; the specific noise si...
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WO/2015/157599A1 |
A method of optical label swapping implemented by a switch used in a software defined network system that in one embodiment includes proving a 400-Gbit/s payload having a Nyquist shaped carrier in a 75-Ghz bandwidth spacing using a paylo...
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WO/2015/154269A1 |
Disclosed in an embodiment of the present invention is an array waveguide grating (AWG), comprising: W input waveguides, M array waveguides, a first free propagation region (FPR), a second FPR, one output waveguide, and W monitoring wave...
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