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Patent Searching and Data


Matches 1 - 50 out of 2,357

Document Document Title
WO/2024/075843A1
Provided is a frequency reference optical transmission device that can transmit a frequency reference light in a transmission system for a transmission technology with high precision of frequency that has the configuration of a system th...  
WO/2024/038267A1
An optical comb generator receives light from at least two continuous wave laser sources, produces a different frequency comb from each laser source, and produces an output that it the simultaneous combination of the different frequency ...  
WO/2024/003068A1
The invention relates to a system (5) for compressing light pulses emitted by a light source (2), comprising a dispersive optical system (10) configured to receive an incident light pulse (100) having a right incident wavefront of positi...  
WO/2023/248218A1
An optical processing unit is presented to be used as a basic block of an optical processor system. The optical processing unit is configured to implement a predetermined processing task on an input light signal, and comprises: an input ...  
WO/2023/215626A1
A system for eye tracking is disclosed. The system may detect illumination including a first wavelength emitted from one or more illumination sources. The illumination may propagate along a waveguide(s) to a termination node(s) associate...  
WO/2023/215169A1
A tunable fluorescent quantum dot may be utilized for illumination of artificial reality displays or waveguides. The tunable quantum dot may include a core fluorescence quantum dot and multiple coatings that may activate based on differe...  
WO/2023/187848A1
An optical beam transmission device (2) is configured so as to comprise: an optical distribution unit (11) which distributes laser light outputted from a laser light source (1) among a plurality of transmission lines (10-1) to (10-N); an...  
WO/2023/119859A1
This light detection device comprises: a laser light source that emits coherent light; two or more light detection units, each of which has a light-receiving element, each of the light-receiving elements being disposed set apart from one...  
WO/2023/273194A1
A two-photon microscopic imaging system having low light damage. An excitation light emitted by a femtosecond pulse laser (1) is modulated by a photoelectric modulator (2), and can then realize, by means of a first movable reflection mir...  
WO/2022/221950A1
The present invention discloses methods to integrate color conversion particle layers in different configurations in a microdevice. The microdevice has many device layers, and additionally comprises color conversion particles on a surfac...  
WO/2022/223527A1
The invention regards a spintronic terahertz emitter (1) that comprises: at least one first, magnetic layer (F), at least one second layer (N), and means for producing a magnetization (M) in the first layer (F), wherein the first layer (...  
WO/2022/174072A1
A device, comprising at least one monochromatic light source configured to generate a first optical trap; an ensemble of particles disposed in the first optical trap, each particle of the ensemble of particles being excitable to a first ...  
WO/2022/118647A1
An optical frequency comb device (10A) is provided with the following: an optical waveguide (13w); a mirror (13m1) disposed at a first position on the optical waveguide (13w); a mirror (13m2) disposed on the waveguide (13w) at a second p...  
WO/2022/024352A1
The present invention realizes a planar optical waveguide device in which optical loss resistance is enhanced, and whereby overall stability of a balanced homodyne detection system is enhanced. An embodiment of the present invention is a...  
WO/2022/006682A1
A radiant energy spectrum converter apparatus comprising: a first ellipsoid and a second ellipsoid overlapping the first ellipsoid to form an internal cavity, the first ellipsoid comprising a first upper half and a first lower half and t...  
WO/2022/004798A1
The present invention provides an optical signal processing device and an optical signal processing method which make it possible to acquire real parts and imaginary parts of complex amplitudes of two orthogonal polarized waves of signal...  
WO/2021/261240A1
This dual optical frequency comb generation device (201) comprises a semiconductor substrate (14), a first optical frequency comb laser light source (20) including a first resonator, a second optical frequency comb laser light source (21...  
WO/2021/255344A1
A method for providing an electric waveform (V(t), EPAT1) at a cryogenic temperatures comprises:- providing an optical signal (CLB1), which comprises an optical waveform(OPAT1),- guiding the optical signal (CLB1) into a cryogenic chamber...  
WO/2021/227890A1
Disclosed are a computing system (10), a server (20), and a signal transmission method, which are used to improve the speed and data volume of data transmission between chips. The computing system (10) comprises a first chip (100), a fir...  
WO/2021/226529A1
A device includes chalcogenide nanoparticles and a light-sensitive material configured to absorb upconverted light generated by the chalcogenide nanoparticles. A method includes receiving, at chalcogenide nanoparticles, input light havin...  
WO/2021/175810A1
A balanced detector for broadband noise-suppressing detection of electromagnetic waves (50) in an interval of frequencies from a range of between 50 GHz and 10 THz comprises: A first antenna (110) and a second antenna (120) configured to...  
WO/2021/170798A1
The invention relates to a method for the coherent detection of an optical signal, comprising the steps of: providing a vertically illuminable photodiode (10); producing an optical reference signal (LO); radiating the optical signal (OS)...  
WO/2021/133764A1
Acoustically mediated spintronic THz emitters in which sound waves, rather than direct laser pulses, give rise to a spin current in a magnetic material via magnetoelastic coupling are provided. The THz emitters include a metal layer that...  
WO/2021/124340A1
A system for providing information based on a spectral content of an optical signal, comprises: an optical modulator for applying a time-dependent modulation to the optical signal according to at least one sub -optical modulation frequen...  
WO/2021/106147A1
This optical transmission system comprises: a sending unit that co-propagates, via an optical transmission medium, signal light having modulated data and idler light having a complex amplitude which is phase conjugate to the signal light...  
WO/2021/103335A1
Disclosed in the present invention is a photonic crystal-based tunable band stop filter. The filter is mainly formed by periodically arranging medium layers and phase change layers, which are made of two materials having different refrac...  
WO/2021/100101A1
An optical frequency controller (1) is provided with: a detector circuit (16) that modulates first light oscillated by a first light source (11) with a local oscillation signal oscillated by a local oscillation signal source (15) and det...  
WO/2021/100765A1
An optical frequency control device (1) is configured to be provided with: a detection circuit (16) to which first light including a first frequency is given from a first light source (11) and second light including a second frequency is...  
WO/2021/095084A1
In the present disclosure, compared to conventional circuits based on spatial optical systems, optical interference between local oscillator light and squeezed light is stably realized with a downscaled configuration. An optical circuit ...  
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/2021/054208A1
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/2021/002402A1
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 ...  

Matches 1 - 50 out of 2,357