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Patent Searching and Data


Matches 1 - 50 out of 3,271

Document Document Title
WO/2021/079710A1
An arbitrary waveform generation device (100) generates, from an arbitrary waveform of a first electrical signal (10), an arbitrary waveform of a second electrical signal (14) having a higher frequency than that of the first electrical s...  
WO/2021/030172A3
Devices, systems and methods for encoding information using optical components are described. Information associated with a first optical signal (e.g., an optical pump) is encoded onto the phase of a second optical signal (e.g., an optic...  
WO/2021/054208A1
This reception device is provided with: a means for performing coherent detection of a light signal including modulated light and pilot light on the basis of local light, and outputting an electric signal including a modulation signal co...  
WO/2021/038765A1
When an output pulse from a degenerate optical parametric oscillator is measured, there is a risk that calculation accuracy changes at each calculation due to a relative phase shift generated between the output pulse and local light that...  
WO/2021/002919A3
One embodiment provides a semiconducting device for at least one of detecting, producing or manipulating electromagnetic radiation having a frequency of at least 100 gigahertz (GHz). The semiconducting device includes a heterodimensional...  
WO/2021/002402A1
This optical module is provided with: a first optical branching element which branches signal light including a first polarization component and a second polarization component that have polarization directions orthogonal to each other i...  
WO/2020/240003A1
LIDAR system (10) comprising at least one laser source (1) and an optical detection system (6) for detecting a radiation beam emitted by the laser source and reflected by a scene to be observed, characterised in that: - the laser source ...  
WO/2020/215132A1
The present invention relates to a compact photonic converter for radio frequency (RF) signals comprising fewer components than in the prior art. The fields of the invention are electronics, oscillating circuits, radio frequency circuits...  
WO/2020/213696A1
The objective of the present invention is to provide an optical 90-degree hybrid employing a silicon waveguide, with which electrical mounting and optical mounting are facilitated, while optical losses and phase errors are suppressed. Th...  
WO/2020/196216A1
Provided is a polarization multiplexed light transmission/reception circuit with which it is possible to compensate for PDL on the transmission side having mitigated a decrease in transmission power, and to make variable the branching ra...  
WO/2020/176556A1
Amplitude-modulated (AM) signals spanning a spatial wide area can be efficiently detected using a slowly scanning optical system. The system decouples the AM carrier from the AM signal bandwidth (or carrier uncertainty), enabling Nyquist...  
WO/2020/096448A1
The present invention is in the field of a quantum wavelength converter between a microwave signal and an optical signal and vice versa. In the converter a nanoscale cavity optomechanical circuit is used in which optomechanical cavities ...  
WO/2020/054393A1
The digital coherent receiver is provided with: an adaptive equalizer for executing adaptive equalization of a digital signal corresponding to a signal by using a first tap coefficient; a first coefficient update unit for updating the fi...  
WO/2020/019068A1
This disclosure is directed at a method and device capable of producing polarization entangled photon pairs and accomplishing polarization insensitive wavelength conversion. The device includes a double displacement interferometer, the i...  
WO/2020/015110A1
The present invention relates to a phase-locked-free system and method for receiving a multi-formulation format compatible high-speed laser signal, which can significantly improve the compatibility of the communication format at a relay ...  
WO/2019/220976A1
A receiving device according to the present invention is provided with: a dispersion compensation unit that obtains an electrical signal generated by converting an optical signal and that performs dispersion compensation on the electrica...  
WO/2019/210522A1
Provided by the present invention are an orbital angular momentum (OAM) demultiplexing apparatus and method based on interference isolation technology. The apparatus is divided into two parts, the first part being an OAM interference iso...  
WO/2019/191647A1
Example methods, devices, and systems for optical emission are disclosed. An example device can comprise one or more optical filters. The one or more optical filters can be configured to be coupled to an optical amplifier. The device can...  
WO/2019/167759A1
In order to provide an optical signal processing device capable of RC in a complex space using light intensity and phase information, either or both a photofield intensity value and a phase value are modulated at a modulation cycle T1, b...  
WO/2019/099124A1
Optical signal receivers and methods are provided that include an optical resonator that allows optical signal energy of multiple wavelengths to enter and accumulate inside the optical resonator. A portion of optical signal energy of eac...  
WO/2019/089889A1
In an embodiment an illumination system includes an illumination source that emits a primary electromagnetic radiation having a spectrum of wavelengths and an energy conversion layer that converts at least a portion of the primary electr...  
WO/2019/068740A1
The present invention relates to a radiofrequency oscillator (10) comprising an optical resonator (18) that is a ring waveguide allowing a first wave to propagate in a first direction and a second wave to propagate in a second direction,...  
WO/2019/029193A1
A cavity length measurement device for a microwave resonant cavity, and a sensor. The cavity length measurement device comprises: a microwave resonant cavity, and a demodulating equipment. The microwave resonant cavity includes a hollow ...  
WO/2019/021917A1
An optical receiver provided with: a means for multiplexing local light of a first polarized wave and signal light of a second polarized wave orthogonal to the first polarized wave, and outputting a first multiplexed light; a means for c...  
WO/2019/010444A1
Aspects of the present disclosure describe systems, methods, and structures including integrated laser systems that employ external chirping structures that may advantageously include phase shifters and/or one or more filters. Further as...  
WO/2018/197683A1
An optical parametric oscillator, OPO, for generating an optical frequency comb is described. The OPO is configured to control cavity dispersion such that the OPO is able to generate extended signal and/or idler spectra in response to a ...  
WO/2018/181213A1
An optical frequency comb generator 11 generates an optical frequency comb A which is a pulse laser beam represented by an aggregate of multiple line spectra having a given repetition frequency frep. An offset frequency fceo detection un...  
WO/2018/153437A1
The present invention relates to a sterilization system (1) where the article (20) which is to be sterilized is coated with a Pr3+comprising material (10), which emits UV-C light upon stimulation with a blue LED (30).  
WO/2018/148837A1
A luminescent solar concentrator (LSC) comprising a metal-free emitter. The emitter may for example be carbon-based. In particular, the emitter may comprise colloidal carbon quantum dots, also called C-dots or C-QDs or C-dots. In embodim...  
WO/2018/108645A3
The invention provides an anti-fouling device (10) comprising a window (100), a radiation concentrator optical element (200) and an upconversion element (300), wherein: said window (100) comprises an anti-fouling surface (110) for transm...  
WO/2018/117149A1
The purpose of the present invention is to measure the properties of variable wavelength light according to changes in wavelength. A first local oscillation light source 100a outputs a first local oscillation light 2000. A second local o...  
WO/2018/108645A2
The invention provides an anti-fouling device (10) comprising a window (100), a radiation concentrator optical element (200) and an upconversion element (300), wherein: said window (100) comprises an anti-fouling surface (110) for transm...  
WO/2018/106765A1
An optical quantum state converter comprises an optical fiber input port configured to receive an optical signal comprising an optical quantum state at a first wavelength from an optical source. An optical combiner having a first input i...  
WO/2018/076101A1
The infrared scene projector has a support structure having an airtight chamber; an image projector secured to the support structure; a conversion chip having a substrate secured to the support structure, and an array of conversion units...  
WO/2018/061747A1
[Problem] To provide an optical comb generation device and an optical comb signal generation method capable of stably generating an optical comb signal having an optical frequency interval exceeding the drive electric signal band of a mo...  
WO/2018/062010A1
This polarization tracking device that uses Stokes vectors to track variations in the polarization of light transmitted through an optical fiber is provided with: a rotation angle updating means that expresses the variation in the Stokes...  
WO/2017/118482A1
An opto-electronic oscillator (10) comprising: an optical source (12) to generate an optical carrier signal having a carrier wavelength; an optical phase modulator (14) to apply a sinusoidal phase modulation to the optical carrier signal...  
WO/2017/086816A1
The invention relates to a source of white light constructed of a vacuum glass chamber, containing an optically active element, a generator of an IR electromagnetic radiation beam equipped with a laser IR diode, a battery, a focusing len...  
WO/2017/031575A1
An optoelectronic oscillator (OEO) is disclosed comprising an electronically tunable filter for transposing narrow pass band characteristics of a surface acoustic wave (SAW) filter to a microwave frequency to provide mode selection in th...  
WO/2017/030137A1
In mode-space multidimensional modulation, synchronism of received signals is maintained, and the digital signal processing load required to process delay differences between received signals resulting from group velocity differences bet...  
WO/2017/023172A1
A photoconductive antenna has an array of antenna electrodes on or in a photoconductive substrate. The photoconductive substrate is irradiated with light from a pulsed laser via micro-lenses above respective gaps between antenna electrod...  
WO/2017/023384A2
An optical receiver includes a cascade of optical filtering elements, each of which selects spectral components from incoming optical signals at a wavelengths aligned to filter passbands. The selected spectral components may be optically...  
WO/2017/017965A1
An optical module that implements an MMI device including an optical hybrid primarily made of semiconductor material is disclosed. The MMI device, which has a rectangular plane shape and includes multi-mode couplers, is mounted on a carr...  
WO/2017/009939A1
A laser radar device (1) is provided with the following: a variable wavelength light source (2) that has a laser beam generator, and that can generate laser beams of various wavelengths; an optical antenna (8) that emits the laser beams ...  
WO/2017/006515A1
The purpose of the present invention is to implement a compact pluggable optical module used for digital coherent communication. A pluggable electric connector (11) is configured to be insertable into and removable from an optical transm...  
WO/2017/005604A1
The present invention relates to a light emitting apparatus. The apparatus comprises a high intensity light source (102) configured to emit light of a first wavelength (10); a beam shaping optical element (104) configured to redistribute...  
WO/2016/203683A1
The present invention makes it possible to store optical fibers, which connect components without exceeding a bending limit, inside the housing of a pluggable optical module. A pluggable electrical connector (11) is configured so as to b...  
WO/2016/205198A1
An optical link transmits light between a transmitter and a receiver. The transmitter includes a laser cavity that outputs a laser light signal. The laser cavity is configured such that the mode of the laser light signal hops during oper...  
WO/2016/203684A1
A pluggable optical module, wherein an optical fiber for connecting optical components is compactly stored inside a housing to which a plurality of optical components are mounted. A pluggable optical module (100) has a plurality of optic...  
WO/2016/198728A1
According to an example aspect, there is provided an apparatus comprising a fibre interface coupled, via a first waveguide, with at least one encoder, a controller configured to cause the at least one encoder to encode light received in ...  

Matches 1 - 50 out of 3,271