| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 09/01/2009 | US7583431 Wavelength conversion optical device, laser light source, and image display optical device |
| 08/27/2009 | WO2009104758A1 Optical ofdm receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method |
| 08/27/2009 | WO2009104396A1 Optical code division multiplexing access system |
| 08/20/2009 | US20090208224 Optical field receiver, optical multilevel signal receiver, and optical transmission system |
| 08/19/2009 | EP2090927A1 High-speed multiplied signal generating method and device |
| 08/19/2009 | CN101510039A Light source apparatus, image display apparatus, and monitor apparatus |
| 08/18/2009 | US7577370 Method and apparatus for extracting optical clock signal |
| 08/18/2009 | US7577355 Optical path cross-connect and optical wavelength multiplexing diversity communication system using the same |
| 08/18/2009 | US7576908 Fiber device, wavelength converter and image forming apparatus |
| 08/12/2009 | CN101504506A Laser source device, lighting device, image displaying device and monitoring device |
| 08/12/2009 | CN101504504A Optical modulator and optical signal generation apparatus |
| 08/06/2009 | US20090196610 Optical reception apparatus compatible with DQPSK polarization multiplexing format |
| 07/16/2009 | WO2009088089A1 Optical delay interference circuit |
| 07/14/2009 | US7561807 Use of beacons in a WDM communication system |
| 07/09/2009 | US20090174929 Light source device, lighting device, and image display apparatus |
| 07/07/2009 | US7557985 Light emitting device |
| 07/02/2009 | WO2009081014A2 Device for a building, comprising a light conversion material, e.g. for converting ultraviolet light into visible light |
| 06/24/2009 | EP2073282A2 A Photoconductive Device |
| 06/23/2009 | US7551342 Optical frequency comb generator and optical modulator |
| 05/28/2009 | US20090135473 Modified michelson delay line interferometer |
| 05/27/2009 | EP1411387B1 Optical frequency comb- generator |
| 05/27/2009 | CN101442364A Light coherent receiver, frequency difference estimation apparatus and method for light coherent receiver |
| 05/26/2009 | US7539422 Quantum optical transmission device |
| 05/26/2009 | US7538936 Pulse laser beam generating device |
| 05/26/2009 | US7538935 All-optical, continuously tunable, pulse delay generator using wavelength conversion and dispersion |
| 05/21/2009 | US20090129787 Optical coherent receiver, frequency offset estimating apparatus and method for optical coherent receiver |
| 05/20/2009 | CN201242451Y Equipment for demodulating optical fiber grating sensing array |
| 05/20/2009 | CN201242428Y Apparatus for measuring optical fiber length rapidly |
| 05/20/2009 | CN201242427Y Apparatus for measuring optical fiber length with high precision and large range |
| 05/20/2009 | CN101438517A Photoelectric field receiver, light multivalued signal receiver and light conveying system |
| 05/20/2009 | CN101435970A Imaging with nondegenerate frequency-entangled photons |
| 05/13/2009 | CN100487526C Optical transmission system, process and equipment of mixed modulated code |
| 05/05/2009 | US7529490 Optical receiver and optical reception method compatible with differential quadrature phase shift keying |
| 04/23/2009 | WO2007070382A3 Simultaneous observation of darkfield images and fluorescence using filter and diaphragm |
| 04/23/2009 | US20090103163 Reciprocating optical modulation system |
| 04/23/2009 | DE102007049029A1 Conversion layer e.g. fluorescence layer, for use in UV-color camera, has directional plates provided in layer and aligned to each other, where directional plates are formed from metal glass, black glass or graded index of refraction fiber |
| 04/21/2009 | US7522844 Multiple-wavelength optical modulation apparatus |
| 04/21/2009 | US7522798 Nonlinear optical signal-treating apparatus |
| 04/16/2009 | US20090097101 Delay-line demodulator |
| 04/15/2009 | CN201222153Y Demodulating equipment for optical fiber grating sensing network |
| 04/14/2009 | US7518786 Power stabilization of semiconductor laser harmonic frequency conversion modules |
| 04/14/2009 | US7518784 Apparatus and method of producing quantum-entangled, up-converted light beams |
| 04/09/2009 | WO2006014643A3 Enhanced raman amplification and lasing in silicon-based photonic crystals |
| 04/09/2009 | WO2005010120A3 Rare earth compounds having photo-luminescent properties and applications thereof |
| 04/09/2009 | DE102007050876A1 Optoelektronisches Bauteil The optoelectronic device |
| 04/07/2009 | US7515330 Metamaterial structures for light processing and method of processing light |
| 04/02/2009 | DE102007046611A1 Lichtquelle mit Konversionselement und Lichtwellenleiter, Verfahren zur Herstellung der Lichtquelle und deren Verwendung Light source with a conversion element and optical fiber, methods of making the light source and the use thereof |
| 04/01/2009 | CN101401032A Super flat optical frequency com signal generator |
| 03/31/2009 | US7511880 Semiconductor light source module |
| 03/31/2009 | US7511879 Light source device and projector |
| 03/31/2009 | US7511878 Wavelength conversion element with quasi-phase matching structure |
| 03/26/2009 | US20090080882 Method And Apparatus For In-Band OSNR Monitoring |
| 03/25/2009 | EP2040117A1 Synchronized optical signal generation device and synchronized optical signal generation method |
| 03/17/2009 | US7505655 White light-emitting device using fluorescent fiber |
| 03/05/2009 | US20090059351 Demodulator system and method using multilevel differential phase shift keying |
| 03/04/2009 | CN201204380Y Fibre-optical grating multiplexing demodulating equipment base on Fourier domain mode-locked laser |
| 03/03/2009 | US7499653 Multiple wavelength photonic oscillator |
| 02/26/2009 | US20090052905 Optical transmitting and receiving system |
| 02/24/2009 | US7495824 Infrared waveguide optical parametric oscillator |
| 02/24/2009 | US7495815 Electro-optical modulator |
| 02/19/2009 | WO2009022361A1 Electrically driven optical frequency shifter |
| 02/17/2009 | US7492903 Secret key distribution method and secret key distribution system |
| 02/17/2009 | US7492901 Single-photon generator and single-photon generating method |
| 02/12/2009 | WO2008129492A3 Method and device for determining a phase relation between optical fields and radiofrequency or microwave fields |
| 02/12/2009 | US20090041470 Multi-wavelength signal generation device and multi -wavelength light generation method |
| 02/11/2009 | EP2021844A1 Wdm-based sensor system and sensor interrogation system |
| 02/11/2009 | EP1820060B1 Wavelength converter/inverter |
| 02/11/2009 | CN101364025A Digital type high speed wave lengh demodulator |
| 02/11/2009 | CN101364023A Modulation and demodulation method of fiber grating and device thereof |
| 02/11/2009 | CN100461660C Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals |
| 02/10/2009 | US7489437 Fiber laser red-green-blue (RGB) light source |
| 02/03/2009 | US7486435 Multi-port optical parametric oscillator |
| 01/29/2009 | US20090027683 Interferometer, demodulator, and splitting element |
| 01/21/2009 | EP2017980A1 Optical electric field receiver, optical multilevel signal receiver, and optical transmission system |
| 01/20/2009 | US7480091 Delay-line demodulator and method of adjusting a phase shift in the demodulator |
| 01/14/2009 | CN100451536C Quasi-common path type feedback interferometer of laser in microchip |
| 01/08/2009 | WO2009006634A1 Compositions having multiple responses to excitation radiation and methods for making same |
| 01/08/2009 | WO2009004682A1 Optical reception circuit |
| 01/07/2009 | EP2011202A1 Reduction of surface heating effects in nonlinear crystals for high power frequency conversion of laser light |
| 01/06/2009 | US7474850 Reroutable protection schemes of an optical network |
| 01/06/2009 | US7474458 Method for preparing a poled structure with inhibition blocks |
| 01/06/2009 | US7474457 Generation of radiation with stabilized frequency |
| 12/24/2008 | CN101329490A High power frequency changer of small core radial bundling type high non-linear photon crystal optical fiber |
| 12/24/2008 | CN100446410C Method and device for detecting and processing signal waves |
| 12/23/2008 | US7469081 Reducing thermal load on optical head |
| 12/17/2008 | CN101324447A Bragg grating sensing demodulation system based on CCD and long-period optical fiber grating |
| 12/17/2008 | CN101324442A FPGA-based distributed double M-Z optical fiber micro-destabilization sensor and PGC demodulation method thereof |
| 12/17/2008 | CN100444016C Photon crystal frequency conversion apparatus |
| 12/10/2008 | CN101319921A Method and equipment for optical fibre optical grating sensing network demodulation |
| 12/10/2008 | CN101319920A Method and equipment for optical fibre optical grating sensing array demodulation |
| 12/10/2008 | CN101319919A Method and device for frequency domain optical fiber optical grating sensing network demodulation |
| 12/10/2008 | CN101319879A Method and device for fasting measuring size of optical fiber |
| 12/10/2008 | CN101319878A Method and device for high-precision large-range measuring size of optical fiber |
| 12/09/2008 | US7463410 Optical frequency converter for non-polarized light |
| 12/09/2008 | CA2425263C Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams |
| 12/04/2008 | US20080296481 Chirp measurement method, chirp measurement apparatus and their application |
| 12/04/2008 | DE102007025092A1 Lumineszenzdiodenchip Luminescence |
| 11/26/2008 | EP1995633A1 Super flat optical frequency com signal generator |
| 11/25/2008 | US7457537 Optical telecommunication system with automatic channel switching |
| 11/25/2008 | US7457030 Wavelength conversion device |