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WO/2019/044604A1 |
[Problem] To provide an optical transmission device capable of controlling the spectrum shape of a wavelength multiplexed signal and improving the transmission quality. [Solution] A light transmission device is configured to include a wa...
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WO/2019/045696A1 |
Example implementations described herein are directed to the management of data received from an edge side when an update is issued to edge nodes from a core apparatus. When the edge nodes receive the update, the receipt of the update ma...
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WO/2019/046810A1 |
An optical system includes an optical transmitter having optical transmission channels and an optical receiver having optical reception channels. The optical transmission channels are successively tuned to resonant wavelengths at which l...
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WO/2019/043748A1 |
Provided is an adaptive equalization filter wherein each of a first filter (11) to a fourth filter (14) is a FIR filter having one tap, and each of a fifth filter (15) and a sixth filter (16) is a FIR filter having less than 46 taps. As ...
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WO/2019/043747A1 |
A transmitter (100) generates a burst signal having, in the header thereof, a pilot sequence in which the signals of a first polarized wave and a second polarized wave orthogonal to each other are multiplexed, the first polarized wave an...
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WO/2019/046827A1 |
Metasurface elements, integrated systems incorporating such metasurface elements with light sources and/or detectors, and methods of the manufacture and operation of such optical arrangements and integrated systems are provided. Systems ...
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WO/2019/034016A1 |
An all-optical network comprises: a first network; a second network; and a PWXC coupling the first network to the second network and comprising passive optical components. A method comprises: receiving a first optical signal from a first...
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WO/2019/029805A1 |
Methods and apparatus are provided for switching an optical signal. In one aspect, an optical switching apparatus comprises a first beam splitting apparatus configured to split a first optical input signal into first and second optical s...
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WO/2019/032153A1 |
Techniques for high speed optoelectronic coupling by redirection of optical path are disclosed. In one particular embodiment, the techniques may be realized as an optoelectronic receiver comprising an optical signal demultiplexer that ma...
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WO/2019/031656A1 |
Disclosed are a method for detecting a disconnection and a disconnection location in an optical communication network system having a ring network structure, and an optical communication network system using the same. According to an emb...
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WO/2019/021972A1 |
The purpose of the present invention is to provide a light wavelength separation device and a light wavelength separation method that can be flexibly adapted for various channel intervals of a wavelength-division multiplexed (WDM) signal...
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WO/2019/019073A1 |
Disclosed are a data processing method, an optical line terminal, an optical network unit and a system. The method involves: an optical line terminal generating downlink data, the downlink data comprising first indication information and...
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WO/2019/020170A1 |
The disclosure provides methods, apparatus and computer-readable media for synchronization over an optical network. A method comprises: receiving, from a client, a request to initiate a synchronization service for a client node coupled t...
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WO/2019/014877A1 |
The present invention relates to the technical field of optical communications, and in particular to a wavelength selection technique. In one possible wavelength selection method, a destination node device receives, from an upstream netw...
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WO/2019/015484A1 |
An optical module, a network device, an optical system and a communication system, used to solve the problem of a relatively higher processing bandwidth occupancy in existing optical modules. The optical module is disposed in a first net...
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WO/2019/014345A1 |
A photonic parallel network can be used to sample combinatorially hard distributions of Ising problems. The photonic parallel network, also called a photonic processor, finds the ground state of a general Ising problem and can probe crit...
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WO/2019/014200A1 |
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...
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WO/2019/014204A1 |
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...
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WO/2019/014202A1 |
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...
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WO/2019/014203A1 |
Certain aspects of the present disclosure generally relate to wireless communication. More particularly, aspects of the present disclosure provide multiplexing schemes which may be suited for the single carrier waveform. For example, som...
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WO/2019/009987A1 |
A wavelength locker includes first and second waveguides to guide light. The wavelength locker also includes a multimode interference (MMI) coupler having a number of inputs and outputs. First and second inputs of the MMI coupler are cou...
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WO/2019/004040A1 |
In an optical transmission system according to the present invention, optical transmitters (20a-20n) each modulate, by use of 0/1 bit string data, two optical carrier waves in which peak components of frequencies across the center positi...
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WO/2019/005474A1 |
An apparatus for measuring optical power includes a first component configured to at least one of multiplex or demultiplex between a first composite optical waveguide and at least a first intermediate optical waveguide and a second inter...
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WO/2019/001857A1 |
Disclosed herein is a method of transmitting data in an optical network (10, 100) from a first location to a second location, as well as a corresponding receiver unit and transceiver. The method comprises the following steps: modulating ...
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WO/2019/001444A1 |
The present invention provides a filter block 300, 800, 1000 for an optical N-channels multiplexing/demultiplexing device 600 for receiving or emitting light, wherein the filter block 300, 800 comprises: a plurality of reflecting surface...
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WO/2018/236132A1 |
The present invention relates to an optical wavelength analyzer for analyzing an optical signal wavelength including a plurality of wavelengths transmitted by an optical transmitter in a wavelength division multiplexing optical network. ...
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WO/2018/236419A1 |
A method (700) for biasing a tunable laser (310) during burst-on and burst-off states through a common-cathode laser driving circuit (400) includes delivering a bias current (IBIAS) to an anode of a gain-section diode (402) having a shar...
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WO/2018/227624A1 |
Disclosed in the present invention are a data packet processing method, device and system. The method comprises: an OLT determining, according to the downlink bandwidth capacity of an optical network unit (ONU), a broadcast logical link ...
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WO/2018/227877A1 |
The present invention relates to the technical field of data and IP transmission equipment, and disclosed thereby are a WSON damage model-based shortest path calculating method and a system thereof. The method comprises the following ste...
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WO/2018/227983A1 |
Disclosed is a method for calculating an optical channel OSNR in real time based on a WSON network control plane, relating to the field of optical channel designs. The method comprises the following steps: S1. calculating an OSNR of an o...
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WO/2018/227556A1 |
An optical add-drop multiplexer, which relates to the technical field of photoelectricity and can reduce the processing difficulty by using a large-size Bragg grating. The optical add-drop multiplexer comprises a lower wave signal separa...
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WO/2018/228025A1 |
The present application relates to the technical field of communications. Provided are a method, device, apparatus, and system for frequency band sorting. The method comprises: a transmitting end acquires a target data stream, uses on a ...
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WO/2018/227005A1 |
An integrated wavelength division multiplexing (WDM) optical transceiver comprises the following elements: (1) a light source; (2) an array of photodiodes responsive to a plurality of optical signals and forming a plurality of electrical...
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WO/2018/219421A1 |
The present invention provides a WDM, device (100) for demultiplexing an optical signal (101) including a plurality of N wavelength channels. The device (100) comprises at least one demultiplexer block (102) configured to split the optic...
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WO/2018/219577A1 |
A system (1) for evaluating the reliability of an optical path (100) in an optical network (10), including: a measurement-based vulnerability evaluation unit (2), a component vulnerability evaluation unit (3), a topology reliability eval...
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WO/2018/222740A1 |
Switching technology may be incorporated into various systems, components, and/or architectures in a fiber optic network to promote network reconfigurability and design flexibility. A signal access unit comprises an input, an output, an ...
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WO/2018/219633A1 |
A method for monitoring a passive optical network, the passive optical network comprising a plurality of network components, comprises receiving an alert message (200) from a fault detection system associated with the passive optical net...
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WO/2018/214004A1 |
Disclosed are a data transmission method and apparatus, which belong to the technical field of fibre-optic communications. The method comprises: acquiring at least two paths of service data, and determining sub-frequency bands of the at ...
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WO/2018/214901A1 |
A wavelength-division multiplexed (WDM) polarization-independent transmissive modulator (PITM) that receives a multi-wavelength continuous wave (CW) light of indeterminate polarization, splits the multi-wavelength CW light into two trans...
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WO/2018/212148A1 |
Provided is a device that enables transmission frequency control in a short time and at high accuracy with a subcarrier multiplexing method. This optical transmission device that allocates transmission information to a plurality of subca...
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WO/2018/210470A1 |
A bidirectional optical repeater having two unidirectional optical amplifiers and a supervisory optical circuit connected to optically couple the optical ports thereof. In an example embodiment, the supervisory optical circuit provides o...
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WO/2018/213155A1 |
The present disclosure is directed to an optical device (100) including at least one temperature-dependent tunable element (106) for controlling a wavelength of an optical signal, a first temperature control circuit (122) for controlling...
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WO/2018/207835A1 |
Provided are an optical relay, an optical relay control method, and an optical transmission system with which a gain tilt or a gain deviation of an optical fiber amplification unit can be corrected. The optical relay is a C+L-band relay ...
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WO/2018/205876A1 |
A CO comprises a plurality of IM lasers and a Butler matrix system coupled to the plurality of IM lasers. The Butler matrix system comprises a plurality of optical input ports corresponding to the plurality of IM lasers, Butler matrix co...
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WO/2018/198326A1 |
An optical transmission system (100) is characterized by comprising: a multi-core optical fiber (2001) having a first core (2100) and a second core (2200); and a plurality of optical transmission devices (1000), (1100) that output differ...
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WO/2018/196780A1 |
An ONU comprises: a receiver configured to receive a discovery gate message from an OLT, the discovery gate message comprises a channel assignment field, and a discovery information field, the channel assignment field indicates transmiss...
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WO/2018/200754A1 |
Aspects of the present disclosure describe wavelength division multiplexed LiDAR systems, methods, and structures that advantageously provide a wide field of view without employing lasers having a large tuning range
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WO/2018/198478A1 |
[Problem] To provide a transmission device, etc., designed to expand transmission capacity while reducing component costs. [Solution] This transmission device transmits wavelength multiplexed light to a transmission line. The transmissio...
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WO/2018/196605A1 |
An embodiment of the present invention relates to the technical field of communications and provides a reconfigurable optical add-drop multiplexer, which may solve the problem wherein existing reconfigurable optical add-drop multiplexers...
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WO/2018/196056A1 |
The present invention relates to a method for constructing a mode division multiplexing optical fibre communication system, the method comprising the following content: converting, at a transmitting end, a multi-path input optical signal...
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