| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 11/20/2008 | US20080285976 Optical signal demultiplexing device and optical signal demultiplexing method |
| 11/20/2008 | US20080285115 Apparatus and method of producing quantum-entangled, up-converted light beams |
| 11/19/2008 | CN101308990A Method for generating laser pulse with adjustable pulse width |
| 11/19/2008 | CN101308313A Orthogonal polarization modulated opto-opto 2-4 level coding conversion method and system based on semiconductor optical amplifier |
| 11/04/2008 | US7446931 Compact multicolor light beam source |
| 11/04/2008 | US7446930 Method of inverting polarization by controlling defect density or degree of order of lattice points |
| 10/30/2008 | WO2008129492A2 Method and device for determining a phase relation between optical fields and radiofrequency or microwave fields |
| 10/29/2008 | EP1986354A1 DPSK Optical Receiver |
| 10/23/2008 | US20080259977 Waveguide Structure for Upconversion of Ir Wavelength Laser Radiation |
| 10/22/2008 | CN100427907C Optical sampling system of simultaneous monitoring intensity modulation and frequency modulation |
| 10/16/2008 | DE102005015497B4 Stabilisierung kaskadierter optischer Resonatoren Stabilization of cascaded optical resonators |
| 10/14/2008 | US7437083 Wavelength converter |
| 10/14/2008 | US7436580 Optical buffer employing four-wave mixing |
| 10/09/2008 | US20080247033 Device and Method for the Demodulation of Modulated Electric Signals |
| 10/07/2008 | US7433564 Optical device for optical communication |
| 10/07/2008 | US7433115 Light emitting device |
| 10/02/2008 | US20080239466 Device and Method for the Demodulation Electromagnetic Wave Fields |
| 10/02/2008 | US20080239465 Delay-line demodulator and method of adjusting a phase shift in the demodulator |
| 10/01/2008 | EP1975676A2 Interferometer, demodulator, and splitting element |
| 10/01/2008 | CN101276127A Controlled time delay signal constrain transfer conveying systems |
| 10/01/2008 | CN100422793C Projector system utilizing spatial light modulator pixel |
| 09/25/2008 | US20080232823 Coherent optical communication apparatus and method |
| 09/25/2008 | US20080231941 Optical receiver having FSR phase compensation |
| 09/25/2008 | DE102007013606A1 Verfahren und System zum Lokalisieren einer Dämpfungsänderungsstelle bei einem Lichtwellenleiter A method and system for locating a point of change in damping an optical fiber |
| 09/24/2008 | CN101271242A Method and equipment for optical fibre optical grating sensing network demodulation |
| 09/24/2008 | CN101271241A Method and equipment for multiplexing and demodulating long period optical fiber optical grating array |
| 09/24/2008 | CN101271240A Optical fiber optical grating multiplexing demodulation method and apparatus based on Fourier domain mode-locking laser |
| 09/23/2008 | US7428096 Optical pulse compressor, optical function generator, optical pulse compression method, and optical function generation method |
| 09/18/2008 | US20080225381 Delay line interferometer having a stepped delay element |
| 09/18/2008 | US20080225380 Delay line interferometer having a movable mirror |
| 09/16/2008 | US7426075 Wave generation by wave propagation phase-shift compensation in an non-linear optical medium |
| 09/10/2008 | CN101261419A All-solid-state continuous wave tunable yellow and orange coherent optical source |
| 09/10/2008 | CN101261418A Optical wavelength converter |
| 09/09/2008 | US7423564 Optical signal processing device for A/D converter including optical encoders with nonlinear loop mirrors |
| 09/04/2008 | US20080212962 Chirp measurement method, chirp measurement apparatus and their application |
| 09/04/2008 | US20080212166 Four-wave mixing source of squeezed light for image processing and interferometry |
| 09/03/2008 | CN101258441A Laser beam focusing arrangement and method |
| 08/27/2008 | CN101251700A Signal subsection time domain compression processing system based on controlled time delay signal transfer transmission |
| 08/27/2008 | CN100414423C Optical fiber wavelength converter |
| 08/19/2008 | US7413430 Crystal base plate and pressing device |
| 08/14/2008 | WO2008096580A1 Microdevice and method for manufacturing the same |
| 08/14/2008 | US20080193124 Optical protection switch and method for optical protection switching |
| 08/12/2008 | US7411726 Multi-channel differentially encoded phase shift keyed receivers |
| 08/12/2008 | US7411725 Optical signal demodulator |
| 08/07/2008 | WO2008093448A1 Wavelength scanning light source and optical coherence tomography device |
| 08/05/2008 | US7408701 Multi-frequency light source |
| 07/30/2008 | EP1570313B1 Generator of a multiple frequency component electric signal |
| 07/30/2008 | CN101231443A Red laser side-erasing type controlled delay time signal bondage transfer conveying system |
| 07/29/2008 | US7405868 Cavity-enhanced optical parametric amplification |
| 07/24/2008 | US20080175602 Optical Reception Device |
| 07/24/2008 | CA2730835A1 Thermally switched optical downconverting filter |
| 07/22/2008 | US7403326 Doped fiber scene projection system and method |
| 07/22/2008 | US7402832 Quantum dots of group IV semiconductor materials |
| 07/16/2008 | CN100403153C System of frequency modulation of semiconductor laser through injecting current without mechanical flying spot scanning interference |
| 07/08/2008 | US7397598 Light source unit and light irradiation unit |
| 07/03/2008 | US20080158656 Optical buffer employing four-wave mixing |
| 07/02/2008 | CN101211089A Optical fiber grating sensing enquiry debugging method implemented by filter and optically active crystal |
| 07/02/2008 | CN100399083C Tunable double parallel matched optical fiber raster demodulating system |
| 07/01/2008 | US7394990 All optical wavelength converter |
| 06/25/2008 | CN101206375A Device for conversion of all optical non-return-to-zero amplitude modulation code to bi-phase shift keying code |
| 06/24/2008 | US7391024 Steady-state non-equilibrium distribution of free carriers and photon energy up-conversion using same |
| 06/05/2008 | US20080129564 Optical Signal Processing Device For A/D Converter Including Optical Encoders With Nonlinear Loop Mirrors |
| 06/03/2008 | US7382983 Optical control type phased array antenna |
| 06/03/2008 | US7382524 Photo-electronic frequency multiplier |
| 05/27/2008 | US7379677 Method of wavelength conversion and wavelength converter |
| 05/27/2008 | US7378636 Method of evaluating non-linear optical crystal and device therefor and wavelength conversion method and device therefor |
| 05/22/2008 | US20080117500 High-power white LEDs and manufacturing method thereof |
| 05/14/2008 | CN100388115C Optical fibre Bragg grating sensing demodulating equipment and demodulating method thereof |
| 05/13/2008 | US7373088 Agile spread waveform generator |
| 05/13/2008 | US7373086 Standard radio frequency signal generating method and standard radio frequency signal generating device |
| 05/13/2008 | US7372621 Wavelength converting devices |
| 05/07/2008 | CN100386981C A broad band online fineness compensation arrangement |
| 05/06/2008 | US7369863 Positional data recording |
| 05/01/2008 | US20080101793 Network address association recovery |
| 04/24/2008 | WO2008046147A1 Up and down conversion using quantum dot arrays |
| 04/23/2008 | EP1914585A1 Reciprocating multiplying/modulating system |
| 04/15/2008 | US7359111 Optical steering device and method |
| 04/15/2008 | US7358525 Quantum dots of group IV semiconductor materials |
| 04/09/2008 | CN101158797A Tonal modification system laser radio frequency modulation generator |
| 04/08/2008 | US7355780 System and method of illuminating interferometric modulators using backlighting |
| 04/02/2008 | EP1906231A1 Luminescent display device |
| 04/01/2008 | US7352505 Device and method for converting an optical frequency |
| 04/01/2008 | US7352504 Optical fourier transform device and method |
| 03/26/2008 | CN101149265A Micro optical peg-top modulation/demodulation and feedback control device |
| 03/26/2008 | CN101149264A Resonance type optical fiber peg-top signal detection method and device based on coordinate rotation digital computer algorithm |
| 03/19/2008 | EP1820060A4 Wavelength converter/inverter |
| 03/13/2008 | WO2008029455A1 High-speed multiplied signal generating method and device |
| 03/12/2008 | EP1898259A1 Luminescent display device |
| 03/11/2008 | US7343065 Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same |
| 03/06/2008 | WO2008027151A2 Design of quasi-phasematched optical frequency converters |
| 03/05/2008 | EP1895358A2 Luminescent display device |
| 03/04/2008 | US7339722 Hybrid nonlinear optical conversion and optical parametric oscillation |
| 03/04/2008 | US7339721 Optical fiber light source based on third-harmonic generation |
| 03/04/2008 | US7339720 Frequency multiplied optical electronic oscillator |
| 03/04/2008 | US7339718 Generation of terahertz radiation in orientation-patterned semiconductors |
| 03/04/2008 | US7339717 Method and system for use in optical code division multiple access |
| 02/28/2008 | WO2008024458A2 Dynamic wavelength converter |
| 02/28/2008 | US20080049301 Generation Of Radiation With Stabilized Frequency |
| 02/26/2008 | US7336880 Wavelength converting element and method of manufacturing thereof |
| 02/26/2008 | US7336871 Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same |