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7605973 |
Optical wavelength conversion light source
An allowable temperature range satisfying phase matching conditions of a wavelength conversion device is widened. A wavelength conversion light source includes a semiconductor laser diode device (...
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7602544 |
Wavelength conversion device and wavelength conversion method
A wavelength conversion device that obtains, from an input light, a wavelength-converted light with a wavelength shift by a wavelength shift amount of Δλ is disclosed. The device comprises first...
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7599627 |
Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
An optical homodyne communication system and method in which a side carrier is transmitted along with data bands in an optical data signal, and upon reception, the side carrier is boosted, shifted...
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7586670 |
Nonlinear optical devices based on metamaterials
An apparatus includes one or more optical couplers, an optical medium, and an optical pump source. The optical medium behaves as a negative refractive index material over a frequency range. The one...
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7583431 |
Wavelength conversion optical device, laser light source, and image display optical device
A wavelength conversion optical device is provided with a fundamental wave light source ( 301 ) which outputs a fundamental wave (L 11 ) including a P polarized light and an S polarized light that...
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7577365 |
Optical pulse regeneration device, installation comprising one such device and use of same
This device for optically regenerating pulses includes a synchronous intensity modulator to provide time synchronization for pulses passing through it and to stabilize intensity fluctuations in the...
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7576908 |
Fiber device, wavelength converter and image forming apparatus
The present invention concerns a fiber device capable of shifting an oscillation wavelength of a fundamental wave of a laser emitted therefrom, and is provided with a laser cavity including a fiber...
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7570419 |
Quantum entanglement photon-pair producing device and quantum entanglement photon pair producing method
In one embodiment of the present invention, a quantum entangled photon-pair producing device is disclosed which includes a superposed state generating device for generating a superposed state of...
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7565045 |
Tunable light source apparatus, and adjustment method and control program of the same
The present invention aims to provide a tuning light source apparatus including a multiple-optical resonator, where the resonance frequencies of the respective optical resonators in a...
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7561807 |
Use of beacons in a WDM communication system
A WDM communication system having two optical-frequency comb sources (OFCSs) that are substantially phase-locked to one another, with one of these OFCSs used at a transmitter to produce a WDM...
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7557985 |
Light emitting device
A light emitting device includes a first unit having a first excitation light source including a laser element emitting blue wavelength band excitation light, and a first wavelength converting...
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7542491 |
Wavelength converter and two-dimensional image display device
The present invention aims to provide a wavelength converter capable of stably obtaining a W-class high-output green laser beam and a 2D image display device using this wavelength converter. By...
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7541600 |
Lithographic and measurement techniques using the optical properties of biaxial crystals
A method and apparatus for accurately retrieving the position of an optical feature. The method uses the optical properties of biaxial crystals to conically refract the optical feature and...
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7538936 |
Pulse laser beam generating device
To induce a targeted non-linear optical effect by a high-peak-power light by using a light pulse from a semiconductor laser without using a light pulse from a large, high-average-power solid laser...
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7538935 |
All-optical, continuously tunable, pulse delay generator using wavelength conversion and dispersion
A technique for generating variable pulse delays uses one or more nonlinear-optical processes such as cross-phase modulation, cross-gain modulation, self-phase modulation, four-wave mixing or...
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7535935 |
Spectroscopic catheter system with widely tunable source and method of operation
A laser system for a spectroscopic catheter system uses multiple semiconductor gain media having gain peaks at different wavelengths. The output from the gain media is preferably coupled into...
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7535627 |
Optical antenna array for harmonic generation, mixing and signal amplification
An optical antenna collects, modifies and emits energy at light wavelengths. Linear conductors sized to correspond to the light wavelengths are used. Nonlinear junctions of small dimension are used...
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7525724 |
Laser system for photonic excitation investigation
A laser system ( 10 ) for use in photonic excitation investigation of a target object, in which the target object interacts with incident photons and emits a corresponding photon which is detected...
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7522791 |
Method for fabricating polarization reversal structure and reversal structure
When a domain inversion part is produced by means of electric field polling process, damage in the vicinity of the forward end of a comb electrode and deviation of width of each domain inversion...
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7522786 |
Transmitting light with photon energy information
In detection and sensing, light is transmitted through layers or structures that vary laterally, such as with a constant gradient or a step-like gradient. After transmission, a position of a...
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7518786 |
Power stabilization of semiconductor laser harmonic frequency conversion modules
The invention relates to a fiber laser and harmonic frequency conversion module incorporating a 90 degree Polarization Maintaining (PM) fiber fusion splice therebetween for providing temperature...
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7518784 |
Apparatus and method of producing quantum-entangled, up-converted light beams
A single cavity may be used to produce up-converted, quantum-entangled beams relying on the common field of the pumping energy stimulating to up-converting material to produce the quantum...
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7515330 |
Metamaterial structures for light processing and method of processing light
A metamaterial structure for light processing includes a light guide and a composite resonant electromagnetic (EM) structure having a resonant frequency. The composite resonant EM structure is...
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7511880 |
Semiconductor light source module
The present invention provides a semiconductor light source module including: a semiconductor light source for emitting a light flux with a predefined wavelength; a SHG element for converting an...
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7511879 |
Light source device and projector
A light source device includes a light source having a plurality of light emitting sections, a plurality of wavelength conversion elements each having a periodic polarization inversion structure,...
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7511878 |
Wavelength conversion element with quasi-phase matching structure
A wavelength conversion element with a Quasi-Phase Matching structure which can suppress the ripples of fluctuation pulse waveforms of a change efficiency in a frequency band of the waveform...
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7508574 |
Apparatus for providing optical radiation
Apparatus for providing optical radiation ( 10 ) comprising a pump array ( 8 ) for providing pump radiation ( 7 ), a first pump combiner ( 1 ), and a waveguide ( 3 ), wherein the pump radiation ( 7...
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7502163 |
Method for preparing a poled structure by using leakage and tunnel effects
A method for preparing a poled structure forms a ferroelectric substrate with a first polarization direction, wherein the ferroelectric substrate has a first surface and a second surface. An...
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7495824 |
Infrared waveguide optical parametric oscillator
An integrated broad spectral band waveguide optical parametric oscillator (OPO) is disclosed. In accordance with a preferred embodiment of the present invention, a single pump laser is used to...
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7495823 |
Optical method and system for analyzing or inspecting patterned materials
A method to determine at least one characteristic of a material having a spatially modulated nonlinear susceptibility includes measuring scattered light in response to an incident beam provided to...
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7495822 |
Frequency shifter in an optical path containing a continuous laser source
The present invention relates to a frequency shifter in an optical path containing a continuous laser source, and it comprises at least two frequency shift modules placed in parallel and each...
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7492506 |
Wavelength converting element, light source device, lighting device, monitoring device, and projector
The disclosure refers to a wavelength converting element, light source device, lighting device, monitoring device, and projector. In one example, a wavelength converting element comprises a...
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7489437 |
Fiber laser red-green-blue (RGB) light source
An RGB light source that uses an optical fiber laser to generate a near-infrared (NIR) output light beam, and a wavelength conversion system that receives the output NIR light beam and forms...
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7489436 |
Hybrid integrated source of polarization-entangled photons
Various embodiments of the present invention are directed to systems configured to generate polarization-entangled photons. In one embodiment of the present invention, a polarization-entangled...
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7486435 |
Multi-port optical parametric oscillator
An optical parametric oscillator includes a source of coherent energetic pump optical signals and an optical resonator cavity which includes a set of optical parametric amplifying (OPA) crystals...
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7486433 |
High-luminance quantum correlation photon beam generator
A high-luminance quantum correlation photon beam generator in which a laser light source ( 1 ) emits a laser pumped light and a parametric crystal ( 2 ) generates a pair of two photons of a signal...
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7486432 |
Method for preparing a periodically poled structure
A method for preparing a periodically poled structure according to this aspect of the present invention comprises the steps of providing a ferroelectric substrate and performing a poling process by...
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7485471 |
Detection of enhanced multiplex signals by surface enhanced Raman spectroscopy
Various methods of using Raman-active or SERS-active probe constructs to detect analytes in biological samples, such as the nucleic acid and/or protein-containing analytes in a body fluid are...
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7483609 |
Image wavelength conversion device, method of manufacturing the device, and image conversion system using the device
An image wavelength conversion device for converting an infrared light image into a visible light, a method of manufacturing the device, and an image conversion system using the device are...
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7476345 |
Layer by layer self-assembly of large response molecular electro-optic materials by a desilylation strategy
The preparation of robust, thin film materials with large second-order optical nonlinearities through the covalent self-assembly of chromophoric compositions and innovative use of silyl chemistry.
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7474458 |
Method for preparing a poled structure with inhibition blocks
A method for preparing a poled structure comprises the steps of forming a ferroelectric substrate having a top surface and a bottom surface, performing a doping process to form at least one...
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7474457 |
Generation of radiation with stabilized frequency
Method and device for the generation of a comb of stabilized frequency lines and/or a train of ultrashort laser pulses for stabilization of the position of the carrier wave with respect to the...
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7463410 |
Optical frequency converter for non-polarized light
Optical apparatus including an optical frequency conversion device, pumped by a non-polarized light beam. The apparatus may include a pump incident side, such as an optical fiber emitting...
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7460569 |
Solid state UV laser
An apparatus ( 10 a ) for scanning a light beam ( 16 ) through a crystal arrangement ( 22 ) that has a first frame member ( 28 ), a first support member ( 24 ) to support a first optical element (...
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7460295 |
Periodic poling structure and electrode element and method for preparing the same
A periodic poling structure comprises a ferroelectric substrate including a plurality of tunnels, a plurality of first domains positioned in the ferroelectric substrate between the tunnels and a...
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7457031 |
Optical configurations for wavelength-converted laser sources
An optical package is provided comprising a semiconductor laser, a wavelength conversion device, a lens assembly, and one or more adjustable optical components. The lens assembly and the adjustable...
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7457030 |
Wavelength conversion device
The energy conversion efficiency from light that is to be converted to converted light of a wavelength conversion device is adjusted so as always to be kept stably at a maximum. The wavelength...
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7453626 |
Four-wave mixing source of squeezed light for image processing and interferometry
A four-wave mixing squeezed light source includes: a mixing medium having chi(3) non-linear characteristics including two atomic ground states coupled to each other by transitions through...
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7453625 |
Method of producing domain inversion parts and optical devices
A comb electrode 3 is provided on a first main face 2 a and a uniform electrode 4 is provided on a second main face 2 b of a substrate made of a ferroelectric single crystal of a single...
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7446931 |
Compact multicolor light beam source
A plural wavelength light beam source may include one or more integrated laser diodes and a wavelength-conversion source such as a second harmonic generation laser. According to some embodiments...
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