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WO/2021/126674A1 |
An amplified hollow-core fiber (HCF) optical transmission system for low latency communications. The optical transmission system comprises a low-latency amplified HCF cable. The low-latency amplified HCF cable comprises multiple HCF segm...
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WO/2021/113793A1 |
The Bi-Di coherent transmission system is configured with at least one pair of modules coupled to one another via a single fiber. The modules each are configured with a pair of laser outputting two reference signals at respective differe...
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WO/2021/111691A1 |
The objective of the present invention is to perform remote sensing by enabling installation of an interrogator at a remote location having no communication or power supply infrastructure. In this optical fiber sensing system, obtained b...
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WO/2021/105672A1 |
A method of generating multiple channels of optical pulses comprises: providing a continuous wave optical input having an optical power; dividing the optical power of the optical input into equal consecutive slices in the time domain; an...
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WO/2021/102349A1 |
Photonic processors are described. The photonic processors described herein are configured to perform matrix-matrix (e.g., matrix-vector) multiplication. Some embodiments relate to photonic processors arranged according to a dual-rail ar...
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WO/2021/096647A1 |
A multi-channel photonic demultiplexer includes an input region to receive a multi-channel optical signal including four distinct wavelength channels, four output regions, each adapted to receive a corresponding one of the four distinct ...
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WO/2021/090205A1 |
An optical system (100) is described including: a reconfigurable optical device (103) with multiplexing wavelength division, comprising a plurality of actuators (A1-AN) and having associated a number of optical channels (M) and a number ...
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WO/2020/163002A9 |
Systems and methods for allocating optical circuits on optical mesh networks are disclosed herein. For example, the disclosed methods include identifying a new circuit to be added to a mesh optical network and identifying a set of potent...
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WO/2021/082445A1 |
Disclosed is a system capable of achieving multi-wavelength laser beam combining and splitting. The system comprises a mechanical lens barrel (1), wherein an input end collimator (2), a coated lens (4), and an output end collimator (3) a...
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WO/2021/081931A1 |
The embodiments of the present application provide a method for determining an optical signal power change and a power calculation device. The method of the embodiments of the present application comprise the following steps: obtaining a...
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WO/2021/073735A1 |
A method (200) of controlling compensation of chromatic dispersion in an optical transport network. The method comprises determining (202) whether a residual dispersion, RD, of a first path (3) within the network is within a defined RD r...
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WO/2021/075146A1 |
An optical fiber transmission system 1C comprises: a plurality of light supply devices 150 that output signal lights; a plurality of light reception devices 360 that receive the signal lights; and an optical fiber cable 200C that transmi...
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WO/2021/072290A1 |
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications n...
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WO/2021/070565A1 |
Provided are an optical transmission device and an optical communication system capable of coping with, at the optical fiber transmission path unit level, various transponder installation forms. An optical transmission device (100) is in...
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WO/2021/072409A1 |
Optical subcarriers may be employed to transmit data in a point-to-multi-point network whereby a hub node including a network switch receives such data from a client and transmits information indicative of such data to multiple leaf or n...
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WO/2021/070790A1 |
An optical signal processing circuit (1) is provided with: an FDE-MIMO equalizer (2) which, on the basis of consecutive sub-carrier signals including a target sub-carrier signal in an optical multi-carrier signal being received, generate...
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WO/2021/064847A1 |
A transmission/reception device (100) comprises: a photoelectric conversion unit (120) that converts an optical signal based on a plurality of first optical signals mutually differing in frequency band into an electric signal and outputt...
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WO/2021/056273A1 |
A tunable optical filter device. The device comprises a first substrate (101) provided with a first reflection structure (106) and a thin film (103) provided with a second reflection structure (107), the outer peripheries of the surfaces...
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WO/2021/056825A1 |
An optical module, an optical communication device and an optical transmission system. The optical module comprises: a housing (101), a mainboard (102), a first optical circulator (103) and a first optical fiber adapter (104), wherein a ...
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WO/2021/057363A1 |
The present application discloses a state control method, applied to an ONU or ONT of a passive optical network (PON). Said method comprises: receiving a first downlink data frame, the first downlink data frame comprising data of N diffe...
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WO/2021/055844A1 |
A system (e.g., an optical amplifier) comprising gain fibers (e.g., Bismuth-doped optical fiber) for amplifying optical signals. The optical signals have an operating center wavelength (λ0) that is centered between approximately 1260 na...
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WO/2021/052579A1 |
The present invention relates to the technical field of processing, particularly equalizing a digital signal representing samples of an optical signal, wherein the equalizing is supported by 2x2 MIMO channel estimation and State of Polar...
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WO/2021/053709A1 |
The purpose of the present invention is to provide an optical transmission system which is capable of controlling a transmission capacity and a signal processing load of a MIMO equalizer without being restricted by the number of propagat...
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WO/2021/047260A1 |
Disclosed are a method for determining a logical connection, and a network controller and a system. The method comprises: determining a set of candidate single boards that may have a logical connection with a target single board; respect...
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WO/2021/044632A1 |
An optical signal processing device according to an embodiment separates and detects an optical signal transmitted by a mode-division multiplexing optical communication scheme, by signal processing based on a Multi-Input Multi-Output (MI...
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WO/2021/046468A1 |
An example node includes a receiver, a switch circuit, and a transmitter. The receiver is configured to receive a first modulated optical signal including a first plurality of optical subcarriers, and supply a plurality of data streams b...
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WO/2021/043424A1 |
An optical node (100) for multiplexing optical signals is disclosed. The optical node (100) comprises an add port (102), a common port (104), an auxiliary port (106), an optical transfer module (110), and a reflecting element (108) coupl...
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WO/2021/038661A1 |
An objective of the present invention is to provide an optical transport system which, even though having a MIMO equalizer, can easily control the transport capacity and optical signal quality. An optical transport system according to th...
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WO/2021/036933A1 |
The present application provides an optical channel identification method and apparatus and optical communication monitoring device and storage medium, said method comprising: performing convolution processing on a convolution pre-proces...
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WO/2021/033248A1 |
The purpose of the present invention is to provide an optical communication system and an optical communication method that can also reduce delay generated in processing for obtaining a transfer function for performing distortion correct...
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WO/2021/031832A1 |
Embodiments of the present invention provide a wavelength division multiplexing system, a local apparatus, and a remote apparatus. The wavelength division multiplexing system comprises: a plurality of optical modules, and a pair of combi...
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WO/2021/029013A1 |
A local wavelength defragmentation device that performs wavelength defragmentation on one or more wavelength paths that pass through a target link in an optical transmission network, wherein the local wavelength defragmentation device co...
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WO/2021/019568A1 |
The present disclosure provides a method for providing a white box transponder (132). The method includes a step of receiving the plurality of user inputs (104) from an orchestrator (102) at a programmable photonic switch mode system (10...
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WO/2021/016719A1 |
An optical fiber comprises a core having an elliptical cross section and a cladding having a circular cross section. The core has an ellipticity between 2 and 40. The core and the cladding have a common central axis with the core being e...
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WO/2021/016966A1 |
Disclosed are a multi-wavelength light source and an optical chip, wherein same are used for improving the performance of a wavelength division multiplexing communication system. The multi-wavelength light source comprises a laser, an op...
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WO/2021/020684A1 |
Disclosed are an optical time division multiplexing-type optical transmission method and apparatus using an optical pulse having intensity modulated with a sine wave as an input signal. An optical time division multiplexing-type optical ...
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WO/2021/008540A1 |
The disclosed systems, apparatuses and methods are directed to controlling a difference between a first center frequency of a first optical subcarrier and a second center frequency of a second optical subcarrier of an optical super-chann...
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WO/2021/011856A1 |
A data and power communication cable that provides galvanic isolation between data- signal related circuitry and power- signal related circuitry present at both ends of the cable. The cable includes a first connector configured to mate w...
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WO/2021/008503A1 |
Disclosed in embodiments of the present disclosure are a management control method and device for a new fronthaul network. The method comprises: a first wavelength division multiplexing (WDM) device acquiring port configuration informati...
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WO/2021/009814A1 |
A monitoring control unit (22) of an OXC (20d) stores a management table (22a) in which respective pieces of information concerning the optical signal modulation method, FEC, and frame mode are stored in association with each other and, ...
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WO/2021/008224A1 |
Disclosed are a method for reducing the uplink time delay of a passive optical network, and a related device. An optical line terminal (OLT) comprises: a basic wavelength channel unit and a corresponding extension wavelength channel unit...
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WO/2021/009869A1 |
An optical demultiplexing device (40) is provided with: a plurality of optical gate switches (41a to 41n) that allow passage of a multiplexed optical signal when turned ON and block the multiplexed optical signal when turned OFF, the mul...
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WO/2021/008821A1 |
The embodiments of the invention provide an optical transmitter (11) for transmitting a vector of information symbols over an optical fiber transmission channel (13) made of a multi-core fiber, optical signals carrying said vector of inf...
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WO/2021/004471A1 |
Disclosed are a WDM-PON system and a management and control method therefor, relating to the technical field of WDM-PON access. The WDM-PON system is applied to a 5G fronthaul service. The system comprises an OLT, an ODN, a wavelength-tu...
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WO/2021/007036A1 |
Systems and methods include, responsive to provisioning a media channel (52) on a degree, wherein the media channel (52) is a contiguous portion of optical spectrum supporting N channels, N is greater than 1, causing allocation of optica...
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WO/2021/000616A1 |
Disclosed in an embodiment of the present invention is a wavelength selective switch, comprising: an input optical fiber collimation array comprising multiple input ports; a relay lens positioned between a first switching engine and a se...
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WO/2020/259843A1 |
There is provided a security system for use at an enclosure containing one or more passive components of an optical communication link. The security system comprises a sensor configured to detect a physical breach of the enclosure, and a...
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WO/2020/261924A1 |
Provided are a junction device and an undersea cable system capable of saving a branch line when a problem involving ground fault occurs in a power feed line on a branch station side. This junction device is inserted into a power feed li...
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WO/2020/257149A1 |
Aspects described herein include an optical apparatus comprising at least a first Bragg grating of a first stage. The first Bragg grating is configured to transmit a first two wavelengths and to reflect a second two wavelengths of a rece...
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WO/2020/257772A1 |
Entanglement among qubits can be generated using "rasterized" and interleaving techniques. A circuit can include a resource state generator that generates one resource state per clock cycle, with each resource state having a number of en...
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