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Second Wave patents

      

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new patent 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


new patent 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

Microwave heating device

In a microwave heating device of the present disclosure, inverter unit drives first and second microwave generators. Cooling unit cools first and second microwave generators and inverter unit.
Panasonic Intellectual Property Management Co., Ltd.

Control a depth camera

A control method of a depth camera includes controlling first and second image sensors to detect light in a first wavelength range, generating a first depth map based on first and second images, subjecting one of the first and second images to edge-detection processing, controlling a light source to emit light in a second wavelength range when a number of edge pixels is determined to be smaller than a preset pixel number, controlling the second image sensor to detect light in the second wavelength range, generating a second depth map based on a third image, subjecting the first and the second depth maps to image fusion processing, and registering a fused depth map with one of the first and second images to generate 3d point cloud data.. .
Lite-on Technology Corp.

Modular kit of the spectrally flexible device for bidirectional transmissions of optical signals sensitive to timing in the internet and other networks

Modular kit of the spectrally flexible device for bidirectional transmissions of optical signals sensitive to timing in the internet and other networks in the basic embodiment contains the source of the optical holding signal, which is electrically bi-directionally interconnected with the control electronics module. This source of the optical holding signal is optically interconnected is optically interconnected by its one output via the first isolator and the first wave-sensitive coupler with one optical input/output of the semiconductor optical amplifier and/or the second output of the source of the optical holding signal is interconnected via the second isolator and the second wave-sensitive coupler with the second optical input/output of the semiconductor optical amplifier.
Cesnet, Zajmove Sdruzeni Pravnickych Osob

Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser

A method of controlling a wavelength tunable laser to control an oscillation wavelength based on a difference between a detection result of a wavelength by a wavelength detecting unit and a target value, the method includes: acquiring a first drive condition of the wavelength tunable laser to make the wavelength tunable laser oscillate at a first wavelength from a memory; calculating a second drive condition to drive the wavelength tunable laser at a second wavelength by referring to the first drive condition and a wavelength difference between the first wavelength and the second wavelength, the second wavelength differing from the first wavelength; and driving the wavelength tunable laser based on the second drive condition calculated at the calculating of the second drive condition.. .
Sumitomo Electric Device Innovations, Inc.

Double layer release temporary bond and debond processes and systems

A bonded structure contains a substrate containing at least one feature, the substrate having a top surface; a first release layer overlying the top surface of the substrate, the first release layer being absorptive of light having a first wavelength for being decomposed by the light; an adhesive layer overlying the first release layer, and a second release layer overlying the adhesive layer. The second release layer is absorptive of light having a second wavelength for being decomposed by the light having the second wavelength.
International Business Machines Corporation

Recording method

A recording method acquires, from a first musical instrument which outputs playing data which represents playing information, playing data of playing by the first musical instrument; generates a first waveform signal according to the played sounds of the first musical instrument which correspond to the playing data; generates a second waveform signal according to a sound including a sound emitted from the first musical instrument and other sounds; generates a third waveform signal wherein the first waveform signal is subtracted from the second waveform signal; generates audio data from the third waveform signal; and records the audio data.. .
Yamaha Corporation

Method and electronic device for fingerprint recognition

A fingerprint recognition method and electronic device are provided. The fingerprint recognition method includes the steps of obtaining first input data; generating a first waveform diagram corresponding to a first minutia of the first input data; obtaining second input data; generating a second waveform diagram corresponding to a second minutia of the second input data; and comparing the first waveform diagram with the second waveform diagram..
Egis Technology Inc.

Optical coupling scheme

The present invention provides a waveguide structure for optical coupling. The waveguide structure includes a first waveguide embedded in a cladding of lower refractive index than the first waveguide, and a second waveguide of higher refractive index than the cladding and distanced from the first waveguide.
Huawei Technologies Co., Ltd.

System for detection and imaging by spectral analysis in several wavelength bands

The invention relates to a system for detection and infrared imaging by spectral analysis in several wavelength bands comprising: —an imaging sensor comprising a plurality of elementary sensors together forming a matrix sensitive surface; —an imaging optic adapted for forming on the sensitive surface of the imaging sensor, a first image of the scene to be analysed in a first wavelength band, and at least one second image of the scene to be analysed in a second wavelength band, characterized in that said detection and imaging system furthermore comprises an optical device consisting of a fixed optical plate adapted for shifting the first image with respect to the second image in the plane of the sensitive surface, the shift between the images being along a direction defined by a row, a column or a diagonal of elementary sensors, the shift distance being equal to the spacing of the elementary sensors of the matrix sensitive surface along this direction or to a multiple of this spacing.. .
Sagem Defense Securite

Hydroxyl generation system and method

Apparatuses and methods associated with generating hydroxyl are disclosed. In embodiments, an apparatus may include one or more ultraviolet light sources to first shine ultraviolet light of a first wavelength on an air stream, and then subsequently second shine ultraviolet light of a second wavelength on the air stream exposed to ultraviolet light of the first wavelength, after the air stream has been humidified, to generate an output air stream with hydroxyl.
Esl Air, Inc.

Signal modulation for secure communication

Aspects of the present disclosure are directed to circuits, apparatuses and methods for generating communication signals resistant to early-detect-late-commit attacks. An example embodiment, a plurality of data symbols is generated that includes first and second data symbols.
Nxp B.v.

Receiving and transmitting radio frequency signals

Disclosed are apparatus and a method for receiving and transmitting radio frequency signals by a vehicle (8). The method comprises: providing a transceiver module (28), the transceiver module (28) being located on board the vehicle (8) and comprising a plurality of transceivers (40-56), each transceiver (40-56) being configured to operate within a different respective radio frequency band; receiving, by a first transceiver, a first radio frequency signal having a first frequency and a first waveform; determining, using the first frequency and first waveform, by a communications management module (36) located on board the vehicle (8), a second frequency and a second waveform, the second frequency being in a different frequency band than the first radio frequency signal, the second waveform being different to the first waveform; and transmitting, by a second transceiver, a second radio frequency signal having the second frequency and the second waveform..
Bae Systems Plc

Apparatus and producing short radiation pulses

The invention relates to an apparatus (1) for producing short synchronous radiation pulses at different wavelengths, particularly to an optically parametric oscillator, comprising at least one pump radiation source (2), preferably a pump laser, for outputting radiation at a pump wavelength, and a resonator (3) having a wavelength-dependent effective resonator length, wherein the resonator (3) has a non-linear wavelength converter (4) for producing radiation at a first and a second wavelength; a dispersive element (5) having a strong wavelength-dependent delay characteristic; and a coupling-out element (6) for at least partially coupling-out the radiation from the resonator (3). In addition, the invention relates to a method for producing short radiation pulses by means of an apparatus (1), particularly an optically parametric oscillator..
Friedrich-schiller-universitat Jena

Multi-color scanning microscope

The invention relates to a multi-color scanning microscope comprising at least one first light source for emitting a first excitation beam comprising first excitation light having a first wavelength and a second light source for emitting a second excitation beam comprising second excitation light having a second wavelength, which differs from the first wavelength, comprising coupling-in means for coupling the first excitation beam and/or the second excitation beam into an excitation beam path, comprising optical means for guiding the first excitation beam and the second excitation beam to a sample and for guiding detection light emitted by the sample in a detection beam path to a detection unit, wherein the optical means comprise at least the following components: at least one first main color splitter for separating the first excitation light and/or the second excitation light, on the one hand, from the detection light emitted by the sample, on the other hand, a scanner for scanning the sample with at least the first excitation light and the second excitation light, a microscope objective for focusing the first excitation light and the second excitation light onto or into the sample and for guiding the detection light emitted by the sample in the direction of the detection unit, and comprising the detector unit for detecting the detection light emitted by the sample. The microscope is characterized in that the coupling-in means and at least parts of the optical means are designed and arranged in such a way that the first excitation beam having the first wavelength is guided onto a first sample location and the second excitation beam having the second wavelength is guided onto a second sample location, which differs from the first sample location, and in that the detector unit comprises a first detector for detecting the light emitted by the first sample location and a second detector for detecting the light emitted by the second sample location..
Carl Zeiss Microscopy Gmbh

Multi-wavelength phototherapy the treatment of damaged or diseased tissue

Provided are multi-wavelength phototherapy systems and methods for the treatment of a disorder or disease, including multi-wavelength low level light therapy (“lllt”), in particular to multi-wavelength lllt and other phototherapy systems and methods for improving functionality in and/or restoring functionality to a cell and/or tissue through the coordinated and targeted delivery to the cell or tissue of two or more doses of light having distinct wavelengths, wherein the two or more doses of light, when delivered in a coordinated fashion, can stimulate the activity of two or more light sensitive factors that, when activated, provide and/or enhance a desired target cell functionality. Also provided are multi-wavelength phototherapy systems and methods for treatment of disorders and diseases that are associated with a diminished functionality in a cell of a patient afflicted with the disorder or disease, which can be adapted for therapeutic use by the coordinated and targeted delivery of two or more distinct wavelengths of light to a cell or tissue in a patient afflicted with a disorder and/or disease to restore or enhance, respectively, a diminished functionality to a cell and/or tissue that is associated with the disorder and/or disease healing the disorder or reversing and/or slowing the progression of one or more aspect of the disorder and/or disease.
Lumithera, Inc.

System and providing selective channel sensitivity in an optoacoustic imaging system

A method for controlling an optoacoustic imaging system includes the steps of analyzing sinogram data values to identify variations, storing information concerning the variations, generating first and second sinograms, and processing the sinograms to mitigate the effect of the variations. In the analyzing step, sinogram data values are analyzed to identify one or more variations that are related to performance of one or more of the discrete components of the optoacoustic imaging system.
Seno Medical Instruments, Inc.

Imaging apparatus

An imaging apparatus includes: an imaging element; a filter array including a unit including visible light filters with different transmission spectrum maximum values, and invisible light filters having a transmission spectrum maximum value in an invisible light range of wavelengths longer than those of the visible light band; an optical filter disposed on a light-receiving surface of the filter array, the optical filter transmitting light included in either a first wavelength band that includes the respective transmission spectrum maximum values of the visible light filters or a second wavelength band that includes the transmission spectrum maximum value of the invisible light filters; and a first light source that emits, toward the subject, light having a wavelength within the second wavelength band, light of a first wavelength having a half-value width less than or equal to half of the second wavelength band.. .
Epas

Optical transmitter and transmission method, and optical receiver and receiption method

The present invention discloses: when a first laser in n lasers is switched to a second idle laser in m lasers, a wavelength of a wavelength-selective optical element to which the first laser is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the n wavelengths. Similarly, when a first optical receiver in n optical receivers is switched to a second idle optical receiver in m optical receivers, a wavelength of a wavelength-selective optical element to which the first optical receiver is coupled is adjusted from a first wavelength to a second wavelength, and the second wavelength is different from the n wavelengths..
Huawei Technologies Co., Ltd.

Light emitting device comprising releasable wavelength converter

A lighting device (100) which comprises a support structure (102; 104) comprising a locking mechanism (114, 302, 304), a light source (106) arranged in contact with the support structure (102; 104), a wavelength converter (110) configured to convert light from a first wavelength range to a second wavelength range, the wavelength converter having a light entrance surface configured to receive light and a light exit surface configured to emit light. The wavelength converter (110) is releasably connected to the support structure (102; 104) in a locked position via said locking mechanism, and the light entrance surface is arranged in optical contact with the light source (106)..
Philips Lighting Holding B.v.

Light source device and projection-type display device

A light source device is equipped with a light source main unit, an optical element, a phosphor unit, and a condensing element. The optical axis of the light source main unit is shifted from the optical axis of the condensing element.
Nec Display Solutions, Ltd.

Polarization control device and polarization control method

A polarization control device and a polarization control method, wherein the polarization control device includes a polarization beam splitting apparatus, a first phase shifter, a beam combiner, a first waveguide, a second waveguide, and a third waveguide, where the polarization beam splitting apparatus is configured to split input light into two beams of transverse electric (te) mode light or two beams of transverse magnetic (tm) mode light, where the first phase shifter is configured to adjust a phase of light that is input to the first phase shifter, and the beam combiner is configured to adjust a split ratio of the beam combiner, and combine the two beams of te mode light or the two beams of tm mode light that is input from a first input port and a second input port of the beam combiner, into one beam of te mode light or one beam of tm mode light.. .
Huawei Technologies Co., Ltd.

System and mitigating the effects of tissue blood volume changes to aid in diagnosing infiltration or extravasation in animalia tissue

A system including a sensor and a device coupled to the sensor. The sensor is configured to detect in animalia tissue (i) a first electromagnetic radiation extinction dominated by absorption of a first wavelength and (ii) a second electromagnetic radiation extinction dominated by scattering of a second wavelength.
Ivwatch, Llc

Color separating and combining prism and projector using same

Provided are a color separating and combining prism and an optical system using the same for a projector. A color separating and combining prism (dp) includes dichroic films (b, r) that reflect the light of the wavelength range of either a first or third range from among the first wavelength range of a blue region, a second wavelength range of a green region, and a third wavelength range of a red region, and pass the light of the remaining two adjacent wavelength ranges, and at a specific angle of incidence, the average reflectance in the two wavelength ranges which the films pass is lower than the wavelength average reflectance of the wavelength region sandwiched by the two wavelength ranges..
Konica Minolta, Inc.

Terahertz quantum cascade laser implementing a cerenkov difference-frequency generation scheme

A terahertz source implementing a {hacek over (c)}erenkov difference-frequency generation scheme in a quantum cascade laser. The laser includes an undoped or semi-insulating inp substrate with an exit facet that is polished at an angle between 10° to 40°.
Board Of Regents, The University Of Texas System

Laser die backside film removal for integrated circuit (ic) packaging

Embodiments of the present disclosure are directed to die adhesive films for integrated circuit (ic) packaging, as well as methods for forming and removing die adhesive films and package assemblies and systems incorporating such die adhesive films. A die adhesive film may be transparent to a first wavelength of light and photoreactive to a second wavelength of light.
Intel Corporation

Vertical electro-optically coupled switch

An electro-optically coupled switch includes first and second waveguides which are aligned in parallel to each other, with a thin, flat layer of cross-coupling material sandwiched therebetween. A voltage source is provided to establish a strong uniform electric field that is oriented perpendicular across the entire layer of cross-coupling material between the waveguides.

Optical communication system having tunable sources

An optical communication system with tunable sources may include a first optical source configured to supply a first optical signal having a first wavelength and a second optical source configured to supply a second optical signal having a second wavelength. An arrayed waveguide grating may include input waveguides having associated first and second passbands, the first passband being spectrally spaced from the second passband, the first passband including the first wavelength and the second passband including the second wavelength.
Infinera Corporation

Physiological data collection

In some implementations, a device includes light emitter(s) to emit first light having a first wavelength and second light having a second wavelength. The device also includes light detector(s) to generate a first electrical signal while the light emitter emits the first light, a second electrical signal while the light emitter emits the second light, and a third electrical signal while the light emitter is not emitting light.
Fitbit, Inc.

System, method, and device for enhanced imaging device

A system for enhanced detection of luminescent materials in an environment occupied by an amount of light having a portable electronic device having a display screen. The system also includes an image sensor disposed about the portable electronic device coupled to a processor and a computer readable storage medium having a library of wavelength information corresponding to a first wavelength of light at which a substance luminesces when subject to a second wavelength of light.
Rememdia Lc



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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