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Second Wave patents

      

This page is updated frequently with new Second Wave-related patent applications.




 Light source system and projection system patent thumbnailnew patent Light source system and projection system
A light source system and projection system, the light source system comprising: a first light source (1) producing first wide spectrum light, a second light source (103) producing second wavelength light, a light splitting and light combining device (2) used to split and combine light, a first spatial light modulator (106), a second spatial light modulator (107), and a control device (108) controlling the first light source (1) and the second light source (103) and modulating the first spatial light modulator (106) and the second spatial light modulator (107). The projection system comprises the light source system.
Appotronics China Corporation


 Method and  quantum cryptography patent thumbnailnew patent Method and quantum cryptography
Methods and apparatus for use in quantum cryptographic applications are disclosed. An optical signal having a first wavelength is encoded for quantum cryptography at a stage where the optical signal is on at least two signal paths.
Nokia Technologies Oy


 Spot-size converter for optical mode conversion and coupling between two waveguides patent thumbnailnew patent Spot-size converter for optical mode conversion and coupling between two waveguides
A spot-size converter for coupling light between a first waveguide and a second waveguide extends along a longitudinal waveguiding axis and includes a transition region. The transition region includes a first part of waveguiding structure, which is coupled to the first waveguide, and a second part of waveguiding structure, which is coupled to the second waveguide.
Ciena Corporation


 Planar optical waveguide device, dp-qpsk modulator, coherent receiver, and polarization diversity patent thumbnailnew patent Planar optical waveguide device, dp-qpsk modulator, coherent receiver, and polarization diversity
A planar optical waveguide device includes: a substrate; a core that forms a first waveguide and a second waveguide that are arranged in parallel on the substrate; and a cladding that covers the core and has a refractive index smaller than that of the core. The core includes a first rib portion that forms the first waveguide, a second rib portion that forms the second waveguide, and a slab portion that is provided only on one side of the first rib portion and the second rib portion in a width direction to have a thickness smaller than the thicknesses of the first rib portion and the second rib portion and is shared between the first rib portion and the second rib portion..
Fujikura Ltd.


 System and  measuring optical resolution with an optical resolution target assembly patent thumbnailnew patent System and measuring optical resolution with an optical resolution target assembly
A system for testing optical resolution of an optical device includes an optical resolution target assembly including a target that is heated. The target emits a first light beam at a first wavelength in response to being heated.
The Boeing Company


 Laser device and photoacoustic measurement device comprising the same patent thumbnailLaser device and photoacoustic measurement device comprising the same
In a laser device and a photoacoustic measurement device including the laser device, the intensity of light at each wavelength made independently controllable. The laser device includes a laser medium which has oscillation wavelengths at a first wavelength and a second wavelength with higher light emission efficiency than at the first wavelength, an excitation section, a first resonator, a second resonator, a q-value change unit, and a control section.
Fujifilm Corporation


 Vented acoustic enclosures and related systems patent thumbnailVented acoustic enclosures and related systems
An enclosure for a speaker transducer can have a front housing member and a rear housing member. Some enclosures position the speaker transducer between the front housing member and the rear housing member, and spaced apart from the rear housing member to define a rear chamber positioned between the speaker transducer and the rear housing member.
Apple Inc.


 Adiabatic coupler patent thumbnailAdiabatic coupler
A system for selectively adiabatically coupling electromagnetic waves from one waveguide to another waveguide is described. It comprises a first waveguide portion and a second waveguide portion having substantially different surface normal cross-sections.
Imec Vzw


 Integrated on-chip polarizer patent thumbnailIntegrated on-chip polarizer
A low loss high extinction ratio on-chip polarizer is disclosed. The polarizer is formed of a mode convertor followed by a mode squeezer and a dump waveguide, and may be configured to pass a desired waveguide mode and reject undesired modes.
Coriant Advanced Technology Llc


 Apparatus for treating a substance with wave energy from an electrical arc and a second source patent thumbnailApparatus for treating a substance with wave energy from an electrical arc and a second source
A substance is treated using a device having: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the opening of the throat along the central axis, and a second electrode extending into the parabolic reflector and spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is directed to the inlet of the volute or cyclone head and irradiated with one or more wave energies produced by the first and second wave energy sources as the substance passes through the device..
Foret Plasma Labs, Llc


Method and system for removing a pilot tone from an optical signal

The present applies to digital wavelength converters that convert, independently of the format in which optical data may be encoded, an input waveform at a first wavelength to an output waveform at a second wavelength. When operating in an environment where an input waveform has a pilot tone associated thereto, the method and system of the present disclosure allows for the removal of the pilot tone from the input waveform, and also allows for the addition of another pilot to the output waveform..
Huawei Technologies Co., Ltd.

Wavelength conversion element, light source device, and projector

A wavelength conversion element includes: a substrate; an intermediate layer that is provided on the substrate and has a refractive index less than a refractive index of the substrate; a dichroic layer that is provided on the intermediate layer; and a fluorescent layer that is provided on the dichroic layer and that is excited by light with a first wavelength band and thereby emits light with a second wavelength band different from the first wavelength band.. .
Seiko Epson Corporation

System and optical input/output arrays

System and method embodiments are provided for optical i/o arrays for wafer scale testing. A wafer includes a plurality of dies of pic chips.
Huawei Technologies Co., Ltd.

Optical system for precision control of an electric field within the focus of a laser beam

Disclosed are various implementations for controlling an electric field within a focused beam of electromagnetic radiation. In one example, among others, a system includes a first birefringent element encodes a first phase shift on a vertical component of a polarization of an input beam.
Florida A&m University

Particle detectors

A beam detector including a light source, a receiver, and a target, acting in cooperation to detect particles in a monitored area. The target reflects incident light, resulting in reflected light being returned to receiver.
Xtralis Technologies Ltd

Gas measuring apparatus, gas measuring method and gas cell

A gas measuring apparatus of an embodiment includes a light source, a gas cell and a detection portion. The light source emits infrared light.
Kabushiki Kaisha Toshiba

System and providing color light sources in proximity to predetermined wavelength conversion structures

An optical device includes a light source with at least two radiation sources, and at least two layers of wavelength-modifying materials excited by the radiation sources that emit radiation in at least two predetermined wavelengths. Embodiments include a first plurality of n radiation sources configured to emit radiation at a first wavelength.
Soraa, Inc.

Cascaded waveform modulation with an embedded control signal for high-performance mobile fronthaul

A method implemented in a communication device, comprising generating, via a processor of the communication device, a first waveform modulation signal based on a first approximation of an input signal, generating, via the processor, a second waveform modulation signal based on a first difference between the input signal s and the first waveform modulation signal, generating, via the processor, a control signal having a sequence of control symbols with a pre-determined modulation format, performing, via the processor, time-domain multiplexing (tdm) on the first waveform modulation signal, the second waveform modulation signal, and the control signal to form a cascaded waveform modulation signal with embedded control signal (cwm-cs), modulating, via a frontend of the communication device, the cwm-cs onto a carrier, and transmitting, via the frontend, the cwm-cs over a communication link to a corresponding communication device in a network.. .
Futurewei Technologies, Inc.

Manufacturable rgb laser diode source

A multi-wavelength light emitting device is manufactured by forming first and second epitaxial materials overlying first and second surface regions. The first and second epitaxial materials are patterned to form a plurality of first and second epitaxial dice.
Soraa Laser Diode, Inc.

Waveguide slot antenna and warning system using same

Provided is a waveguide tube slot antenna (a), including: a waveguide tube (10) having a transverse section having a rectangular shape in each part of a waveguide (2) in an extending direction thereof; and a plurality of radiating slots (3) arranged in the waveguide tube (10) at predetermined intervals, in which: the waveguide tube (10) includes a first waveguide tube forming member (11) and a second waveguide tube forming member (12) each having the transverse section having a shape with an end, the first waveguide tube forming member (11) and the second waveguide tube forming member (12) being configured to define the waveguide (2) by being coupled to each other; and the first waveguide tube forming member (11) is formed to have a flat shape and includes the plurality of radiating slots (3).. .
Ntn Corporation

Semiconductor light-emitting device

A semiconductor light-emitting device includes a light-emitting stack including a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, and an active layer disposed between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, a wavelength conversion layer disposed on the light-emitting stack and configured to convert at least some of light having a first wavelength, emitted from the active layer, into light having a second wavelength, and a light control layer disposed between the light-emitting stack and the wavelength conversion layer, and including a first insulating layer and a second insulating layer, the first insulating layer having a refractive index lower than a refractive index of the light-emitting stack, and the second insulating layer having a refractive index higher than a refractive index of the first insulating layer by 0.5 or more.. .
Samsung Electronics Co., Ltd.

Liquid crystal display

A liquid crystal display (lcd) includes: a first pixel configured to emit first light having a first wavelength; a second pixel configured to emit second light having a second wavelength longer than the first wavelength; a third pixel configured to emit third light having a third wavelength longer than the second wavelength; and a liquid crystal (lc) panel in which driving voltages for maximum transmittances for the first light, the second light, and the third light are different from each other. The lcd is configured to apply different voltages to pixel electrodes of the first pixel, the second pixel, and the third pixel, respectively, such that the first light, the second light, and the third light respectively emitted by the first pixel, the second pixel, and the third pixel are transmitted at the respective maximum transmittances..
Samsung Display Co., Ltd.

Sealant curing device and packaging method

The present disclosure provides a sealant curing device and a packaging method. The sealant curing device includes a bearing platform on which a display panel is placed, and a light conversion layer arranged on the bearing platform and configured to convert a light beam at a first wavelength into a light beam at a second wavelength.
Hefei Xinsheng Optoelectronics Technology, Ltd.

Optoelectronic device

The invention relates to an optoelectronic device (101), comprising: a semiconductor layer sequence (103) comprising an emitter layer (105) for emitting electromagnetic radiation, a converter (113) for converting electromagnetic radiation with a first wavelength into an electromagnetic radiation with a second wavelength which differs from the first wavelength, a scattering body (109) for scattering at least a part of the electromagnetic radiation emitted by the emitter layer (105) in the direction of the converter (113) in order to convert at least a part of the emitted electromagnetic radiation, wherein the scattering body (109) comprises a positive, temperature-dependent scattering cross-section and so, as the temperature increases, scattering of the electromagnetic radiation in the scattering body (109) in the direction of the converter can be increased. The invention also relates to a scattering body (109)..
Osram Opto Semiconductors Gmbh

Filament for lighting device

The present invention relates to a filament (100) comprising a light transmissive tubular member (110), a light emitting assembly (106) arranged within the tubular member (110), a wavelength converter (112) arranged at a surface of the tubular member (110) and configured to convert light from a first wavelength range to a second wavelength range. The light emitting assembly (106) comprises a plurality of solid state light sources (102) and interconnecting elements (104) being arranged in an alternating manner to form a string (106) of connected solid state light sources (102) and interconnecting elements (104).
Koninklijke Philips N.v.

Method and authentication and identity management of communicating devices

Aspects of the subject disclosure may include, for example, receiving, from a second waveguide system, electromagnetic waves at a physical interface of a transmission medium that propagate without utilizing an electrical return path where the electromagnetic waves are guided by the transmission medium and where the electromagnetic waves have a non-optical frequency range, and authenticating the second waveguide system according to an authentication protocol based on authentication information contained in the electromagnetic waves. Other embodiments are disclosed..
At&t Intellectual Property I, Lp

Electro-optical modulator devices

An electro-optical modulator device is provided. The electro-optical modulator device comprises at least one electro-optical modulator having a first and a second optical waveguide and an electrode arrangement for applying a voltage across the optical waveguide, wherein the electrode arrangement comprises a plurality of first waveguide electrodes and a plurality of second waveguide electrodes arranged on top of the first and the second optical waveguide, respectively, wherein the first and second waveguide electrodes are capacitively coupled to one another; and at least one driver unit for supplying a voltage to the electrode arrangement; and an electrical connection between the driver unit and the electrode arrangement.
Fraunhofer-gesellschaft Zur FÖrderung Der Angewandten Forschung E.v.

Raman microscopic imaging device

A raman microscopy imaging device (100) is described, having: a first laser light source (12) for emitting a first laser beam (16) having a first wavelength along a first light path (20); a second laser light source (44) for emitting a second laser beam (18) having a second wavelength, different from the first wavelength, along a second light path (22) physically separated from the first light path (20); a beam combining element (32) for collinearly combining the two laser beams (16, 18) in one shared light path (34) directed onto a sample; a detector (38) for sensing a measured signal on the basis of the two laser beams (16, 18) interacting with the sample; and an evaluation unit (40) for evaluating the measured signal sensed by the detector (38). According to the present invention the first laser light source (12) is embodied as a pulsed source, and the second laser light source (44) as a continuous source..
Leica Microsystems Cms Gmbh

Illumination device

Embodiments of the invention include a semiconductor light emitting device for emitting a first light at a first wavelength and a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength. The wavelength conversion medium is disposed between a periodic antenna array and the semiconductor light emitting device.
Koninklijke Philips N.v.

Waveform discrimination device, waveform discrimination method, and waveform discrimination program

A waveform discrimination device includes: a waveform detector receiving waveforms of pulses to be measured and converting the waveforms to electrical signals; an analog amplifier expanding transient waveforms of the electrical signals along a time-domain axis; an ad converter converting the electrical signals to digital data in rise and fall times of the electrical signals; and a signal processing circuit calculating a characteristic-amount of the rise time as a point on a first coordinate axis by using the digital data, and calculating a characteristic-amount of the fall time as a point on a second coordinate axis, so as to define a set of the points on the first and second coordinate axes as a coordinate point, and plot the coordinate point on a discrimination plane, wherein, by plotted positions of the coordinate point, whether the pulses has a first waveform or a second waveform is discriminated.. .
National University Corporation Shizuoka University

Optical measuring device

An optical measuring device for measuring a measurement region, the optical device comprising a photonic chip with an interferometer defined on said chip, said interferometer comprising first and second waveguides on said photonic chip and an interference region, wherein the first and second waveguides carry signals from the interference region to the sample region and back to the interference region, the device further comprising a phase adjusting unit configured to vary a phase difference between the signals in the first and second waveguides reflected by the measurement region.. .
Kabushiki Kaisha Toshiba

Scanning laser-based three dimensional (3d) display systems for viewers wearing 3d glasses

A display system for creating three dimensional (3d) imagery for a viewer wearing 3d glasses such as wavelength multiplex visualization (wmv) technology glasses with a first lens passing colored light in a first range of wavelengths and with a second lens passing colored light in a second range of wavelengths. The system includes a first wmv light source outputting a first light stream onto a display surface, with the first light stream having a wavelength in the first wavelength range.
Disney Enterprises, Inc.

Optical network controller and optical network control method

It is difficult to improve the wavelength-band utilization rate of an optical network as a whole while operating the optical network stably; and therefore, an optical network controller according to an exemplary aspect of the present invention includes optical wavelength region setting means for setting a wavelength region in an optical transmission line between a plurality of optical nodes composing an optical network using wavelength division multiplexing system dividing the wavelength region into consecutive regions of a first wavelength region and a second wavelength region; optical path setting means for setting a first optical path in the first wavelength region and a second optical path in the second wavelength region, the second optical path differing from the first optical path in a route; and control unit for instructing the plurality of optical nodes on a central wavelength and a usable band of signal light for the optical node to transmit based on a setting by the optical path setting means.. .
Nec Corporation

Partial dielectric loaded septum polarizer

In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section.
Viasat, Inc.

Light-emitting device and image display apparatus

A light-emitting device includes a light-emitting element configured to emit blue light, a first wavelength conversion member containing a mn4+-activated fluorine complex phosphor, and a second wavelength conversion member containing a quantum-dot phosphor, in which the first wavelength conversion member and the second wavelength conversion member are spatially separated from each other.. .
Sharp Kabushiki Kaisha

Image sensor, manufacturing the same, and image processing device having the image sensor

An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.. .
Samsung Electronics Co., Ltd.

Plasmonic and photonic wavelength separation filters

Plasmonic and photonic wavelength separation structures are provided for guiding plasmonic wave signals and electromagnetic signals, respectively. A separation structure includes an input waveguide configured to guide a first wave signal, an output waveguide configured to guide a second wave signal; and a resonator structure that includes a closed loop pathway and is configured to receive a portion of the first wave signal from the input waveguide by coupling and to provide the second wave signal to the output waveguide based on the portion of the first wave signal by coupling.
Infineon Technologies Austria Ag

Multi-width waveguides

A waveguide. The waveguide may include a first waveguide region that includes a signal trace with a first width.
Ciena Corporation

Audio decoder for interleaving signals

A method for decoding an encoded audio bitstream in an audio processing system is disclosed. The method includes extracting from the encoded audio bitstream a first waveform-coded signal including spectral coefficients corresponding to frequencies up to a first cross-over frequency and performing parametric decoding at a second cross-over frequency to generate a reconstructed signal.
Dolby International Ab

Nonreciprocal coupler isolator

A non-reciprocal coupler isolator is provided including a first waveguide. The first waveguide includes a magnetic cladding cover layer magnetized transversely to a propagation direction of the first waveguide.
Government Of The United States, As Represented By The Secretary Of The Air Force

Display apparatus

The present disclosure provides a display apparatus, in which a shift of a transmission or reflection wavelength characteristic due to an incident angle of light is suppressed, and observation of external light necessary for display and image light necessary for display is possible. The display apparatus of the present disclosure includes an image light generator that generates image light by use of light in each of at least a first wavelength band, a second wavelength band, and a third wavelength band, and a light synthesizing part that transmits external light and reflects the image light.
Panasonic Intellectual Property Management Co., Ltd.

Acoustic device

An acoustic device that has a neck loop that is constructed and arranged to be worn around the neck. The neck loop includes a housing with a first acoustic waveguide having a first sound outlet opening, and a second acoustic waveguide having a second sound outlet opening.
Bose Corporation

Optical receiver and superimposed signal detecting method

An optical receiver includes: a tunable filter configured to partially transmit a wavelength-multiplexed optical-signal including a first optical-signal having a first wavelength, a second optical-signal having a second wavelength, and a third optical-signal having a third wavelength, with a frequency-modulated signal superimposed on each of the first to third optical-signals; a photo detector configured to detect an optical-power of the wavelength-multiplexed optical-signal transmitted through the tunable filter; and a superimposed signal detector configured to detect the frequency-modulated signal superimposed on the first optical-signal, based on an amplitude-modulated signal according to a variation in the optical-power on a first filter setting where both of the first optical-signal and the second optical-signal transmit through the tunable filter, and an amplitude-modulated signal according to a variation in the optical-power on a second filter setting where both of the first optical-signal and the third optical-signal transmit through the tunable filter.. .
Fujitsu Limited

Method for producing a ceramic conversion element and light-emitting device

A method for producing a ceramic conversion element and a light-emitting device are disclosed. In an embodiment the method includes providing at least four functional layers, each being a green body or a ceramic, wherein first functional layer is formed as a first luminous layer comprising an oxide and configured to at least partially convert light of a first wavelength range into light of a second wavelength range, wherein a second functional layer is formed as a second luminous layer comprising a nitride and configured to at least partially convert light of the first wavelength range into light of a third wavelength range, wherein a third functional layer is formed as a first intermediate layer, wherein the first intermediate layer comprises an oxide, wherein a fourth functional layer is formed as a second intermediate layer, and wherein the second intermediate layer comprises a nitride or an oxynitride..
Osram Opto Semiconductors Gmbh

Organic light emitting diode display

An organic light emitting diode display includes: a first organic light emitting element configured to emit light having a first wavelength; and a second organic light emitting element configured to emit light having a second wavelength substantially shorter than the first wavelength. The first organic light emitting element includes a first electrode, and the second organic light emitting element includes a second electrode having substantially higher reflectance for the light having the second wavelength than the first electrode..
Samsung Display Co., Ltd.

Smoke detector chamber architecture and related methods using two different wavelengths of light

Various arrangements for using multiple wavelengths of electromagnetic radiation to detect smoke by a smoke detector are present. Multiple modes of the smoke detector may be used in which a first wavelength of electromagnetic radiation is emitted into a smoke chamber while a second electromagnetic radiation emitter is disabled, a period of time is waited, and a second wavelength of electromagnetic radiation is emitted into the smoke chamber while the first emitter is disabled.
Google Inc.

Tunable wavelength-flattening element for switch carrying multiple wavelengths per lightpath

A tunable optical filter including a first coupler configured divide an optical signal into a first portion and a second portion, a first waveguide configured to receive the first portion of the optical signal, a second waveguide configured to receive the second portion of the optical signal, an adjustable phase element operatively coupled to the first waveguide for adjusting an optical path length of the first waveguide, a p-i-n junction operatively coupled to one of the first waveguide and the second waveguide for introducing a loss into one of the first portion of the optical signal and the second portion of the optical signal, and a second coupler operatively coupled to the first waveguide and the second waveguide, wherein the second coupler is configured to recombine the first portion of the optical signal with the second portion of the optical signal to generate a spectrally modulated optical signal.. .
Huawei Technologies Co., Ltd.

Optical phase shifter

An optical device includes first and second waveguide phase arms each having optically coupled parallel sections of waveguides, the parallel sections of each one of the waveguide phase arms being dissimilar to reduce crosstalk. The device further includes a tunable element for applying a phase shift to an optical signal traversing the first phase arm.
Huawei Technologies Canada Co., Ltd.

Coupling device for connecting an optical waveguide to an associated optical waveguide connection

A coupling device for an optical waveguide includes an optical waveguide connection for a first optical waveguide. The coupling device includes an optical filter arranged in a beam path between a laser light source and the optical waveguide connection which reflects light of a first wavelength range or a first polarization direction and transmits light of a second wavelength range or a second polarization direction..
Vimecon Gmbh

Two wavelength optical interferometric pressure switch and pressure transducers

Certain implementations of the disclosed technology may include fabry-perot interferometer (fpi)-based sensors systems and methods for measuring a desired stimulus. In accordance with an example implementation of the disclosed technology, a method is provided for receiving, by a fabry-perot interferometer (fpi) sensor, first interrogation light having a first wavelength and second interrogation light having a second wavelength.
Kulite Semiconductor Products, Inc.

Oil pressure control device

An oil pressure control device controls a supply pressure of oil supplied to an oil pressure chamber of a friction element having a first engagement board and a second engagement board engaged with or disengaged from each other between a non-engagement state and a non-sliding engagement state via a sliding engagement state. The oil pressure control device includes: an electromagnetic valve that controls the supply pressure using a spool which reciprocates according to an energizing amount; and a control part that defines a first oscillatory wave part in which the energizing amount is controlled by making a first waveform with a first frequency to superimpose on a second waveform with a second frequency higher than the first frequency during a first period while the sliding engagement state and an instruction value of the supply pressure are kept constant..
Denso Corporation



Second Wave topics:
  • Second Wave
  • Calibration
  • Semiconductor
  • Semiconductor Devices
  • Rc Oscillator
  • Semiconductor Device
  • Calibration Circuit
  • Fluorescence
  • Microscopy
  • Microscope
  • Transducer
  • Signal Processing
  • Control Program
  • Digital Signal Processing
  • Image Acquisition


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