| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 02/26/2008 | US7336413 Nonlinear fiber, wavelength conversion method and wavelength conversion device |
| 02/21/2008 | US20080046043 Manufacturing method for QPM wavelength converter elements, QPM wavelength converter element, and medical laser apparatus using it |
| 02/14/2008 | US20080037096 Method for Generating Broadband Light Sideband and Apparatus for Generating Broadband Light Sideband |
| 02/13/2008 | EP1886423A1 Optical signal processing device |
| 02/13/2008 | CN201021968Y Laser effect optical platform |
| 02/06/2008 | CN100367104C Semiconductor full optical wavelength converter |
| 02/05/2008 | US7327512 Optical waveform monitor apparatus and oscilloscope |
| 01/31/2008 | DE19836943B9 Photolumineszenzschicht im optischen und angrenzenden Spektralbereichen Photoluminescent layer in the optical and adjacent spectral ranges |
| 01/29/2008 | US7324754 Optical code division multiplex transmission method and optical code division multiplex transmission device |
| 01/29/2008 | US7324267 Four-wave-mixing based optical wavelength converter device |
| 01/17/2008 | WO2008007615A1 Synchronized optical signal generation device and synchronized optical signal generation method |
| 01/17/2008 | DE102006032463A1 Spektrumanalyse externer optischer Modulatoren Spectrum analysis of external optical modulators |
| 01/16/2008 | CN100362421C Light emitting apparatus generating white light by mixing of light of a plurality of oscillation wavelengths |
| 01/16/2008 | CN100362418C Manufacturing method of wavelength regulatable broadband full optical wave length converter |
| 01/09/2008 | CN101103307A Wavelength converter/inverter |
| 01/08/2008 | US7318096 Methods, devices and computer-readable storage media for passive optical network address association recovery |
| 01/08/2008 | US7317569 Optical frequency converter |
| 12/27/2007 | WO2007148413A1 Super high speed optical frequenct sweeping technology |
| 12/20/2007 | US20070292069 Optical Resonator, Optical Modulator, Optical Frequency Comb Generator, Optical Oscillator and Method of Preparing Optical Oscillator |
| 12/20/2007 | CA2590124A1 Optical module and method of packaging the same |
| 12/18/2007 | US7310183 Diffractive outcoupler for second harmonic generation |
| 12/12/2007 | CN200989791Y Multichannel optical fiber grating demodulator |
| 12/12/2007 | CN100355159C Light adjustable oscillator |
| 11/29/2007 | US20070274732 Optical Modulation Converter and Method for Converting the Modulation Format of an Optical Signal |
| 11/29/2007 | US20070273957 Optical System and Method for Use in Projection Systems |
| 11/29/2007 | US20070273945 Wafer Inspection Using Short-Pulsed Continuous Broadband Illumination |
| 11/29/2007 | US20070273770 Solid state image wavelength converter |
| 11/29/2007 | DE20122791U1 Scanmikroskop Scanning microscope |
| 11/28/2007 | EP1859593A1 All-fiber phase controlled delay interferometer and method of making the same |
| 11/22/2007 | WO2007132503A1 Optical electric field receiver, optical multilevel signal receiver, and optical transmission system |
| 11/20/2007 | US7298545 High repetition rate visible optical parametric oscillator |
| 11/15/2007 | WO2007129993A1 Wdm-based sensor system and sensor interrogation system |
| 11/15/2007 | US20070263278 Nonlinear optical devices based on metamaterials |
| 11/15/2007 | DE20122783U1 Anordnung zum Untersuchen mikroskopischer Präparate mit einem Scanmikroskop und Beleuchtungseinrichtung für ein Scanmikroskop Arrangement for examining microscopic preparations with a scanning microscope and illumination device for a scanning microscope |
| 11/15/2007 | DE20122782U1 Beleuchtungseinrichtung Lighting device |
| 11/14/2007 | EP1855156A1 Method for generating terahertz electromagnetic wave by coherent phonon |
| 11/14/2007 | CN100349060C Optical signal-electric signal converter |
| 11/06/2007 | US7292387 Methods and systems to enhance multiple wave mixing process |
| 11/01/2007 | WO2007121580A1 Reduction of surface heating effects in nonlinear crystals for high power frequency conversion of laser light |
| 10/30/2007 | US7289429 System and method to perform non-service effecting bandwidth reservation using a reservation signaling protocol |
| 10/25/2007 | WO2007119449A1 Optical frequency comb generator |
| 10/25/2007 | DE20122785U1 Vorrichtung zur Beleuchtung eines Objekts A device for illuminating an object |
| 10/24/2007 | EP1846801A2 Long time aperture optical tapped delay line |
| 10/16/2007 | US7283573 Optical microwave source |
| 10/11/2007 | US20070236779 Laser display radiation source and method |
| 10/04/2007 | US20070229938 White light-emitting device using fluorescent fiber |
| 10/04/2007 | US20070229937 Inexpensive terahertz wave generator |
| 10/03/2007 | CN101046558A Optical transmission system, process and equipment of mixed modulated code |
| 10/02/2007 | US7277618 White light-emitting device using fluorescent fiber |
| 09/30/2007 | CA2579274A1 Variable light controlling device and variable light controlling method |
| 09/27/2007 | WO2007108148A1 Super flat optical frequency com signal generator |
| 09/27/2007 | US20070223082 Third-Order Optical Autocorrelator for Time-Domain Operation at the Telecommunication Wavelengths |
| 09/27/2007 | US20070223081 Wavelength converting devices |
| 09/25/2007 | US7274841 Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same |
| 09/20/2007 | US20070216989 Device For Generating Polychromatic Light With A Continuous Spectrum |
| 09/20/2007 | US20070216988 Multi-channel differentially encoded phase shift keyed receivers |
| 09/19/2007 | EP1835640A2 Optical receiver and optical reception method compatible with differential quadrature phase shift keying |
| 09/12/2007 | EP1833179A1 Optical reception device |
| 09/12/2007 | EP1192688A4 Apparatus for generating linearly-orthogonally polarized light beams |
| 09/11/2007 | US7269351 Multi-channel optical loading channel transmitter |
| 09/06/2007 | US20070206957 Method for Changing Frequency and Base Station in Radio Optical Fusion Communication System |
| 09/04/2007 | US7266266 Optical functional device based on Mach-Zehnder interferometer |
| 09/04/2007 | US7265849 Systems and methods for determining the spectral content of an optical signal |
| 08/30/2007 | US20070201125 Optical Frequency Converter For Non-Polarized Light |
| 08/29/2007 | EP1262036B1 Controllable low photon source |
| 08/22/2007 | EP1820060A1 Wavelength converter/inverter |
| 08/22/2007 | CN2938148Y Supernarrow-band fibre-optical raster demodulator device |
| 08/16/2007 | US20070189662 All-optical switch |
| 08/16/2007 | US20070188668 Liquid-crystal-absed retardation-free terahertz phase shifter |
| 08/14/2007 | US7256929 Semiconductor waveguide based high speed all optical wavelength converter |
| 08/14/2007 | CA2339046C Method for the fabrication of patterned poled dielectric structures and devices |
| 08/09/2007 | US20070183713 Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same |
| 08/09/2007 | US20070183712 Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same |
| 08/09/2007 | US20070183014 Multiple Frequency Source System and Method of Operation |
| 08/08/2007 | CN1330995C Photonic crystals and devices having tunability and switchability |
| 08/07/2007 | US7253943 Phase optimization apparatus and method for obtaining maximum extinction ratio in mach-zehnder interferometer wavelength converter using cross phase modulation of semiconductor optical amplifier |
| 08/01/2007 | CN1329773C Wavelength changing element and use thereof |
| 07/26/2007 | US20070171514 Semiconductor waveguide based high speed all optical wavelength converter |
| 07/25/2007 | CN101004346A Quasi-common path type feedback interferometer of laser in microchip |
| 07/17/2007 | US7245836 Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method |
| 07/17/2007 | US7245787 Bias adjustment method for optical SSB modulator or optical FSK modulator |
| 07/11/2007 | EP1806617A1 Lock detector and optical phase locked-loop system |
| 07/03/2007 | US7239442 Optical frequency comb generator |
| 07/03/2007 | US7239440 Wavelength conversion apparatus |
| 06/27/2007 | CN1988299A Method for integrating modulator in feedback laser module |
| 06/26/2007 | US7236661 Tunable dispersion compensation apparatus |
| 06/26/2007 | US7236293 Frequency converter using optical excitation surface plasma and its method |
| 06/21/2007 | US20070138391 Steady-state non-equilibrium distribution of free carriers and photon energy up-conversion using same |
| 06/21/2007 | DE102005055439B3 Four-level difference phase modulated data signal wavelength transformation arrangement for use in e.g. wavelength division multiplexing network, has addition unit to add partial signals to four-level amplitude modulated signal |
| 06/20/2007 | EP1332390A4 Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams |
| 06/19/2007 | US7233430 Multi-channel DPSK receiver |
| 06/14/2007 | US20070133082 Amplitude modulation for quasi-phasematched nonlinear optical frequency converters |
| 06/12/2007 | US7230753 Method for forming domain-inverted structure and optical element with domain-inverted structure |
| 06/06/2007 | CN1977475A Optical modulation converter and method for converting the modulation format of an optical signal |
| 06/06/2007 | CN1975477A White light-emitting device using fluorescent fiber |
| 06/06/2007 | CN1320401C Decimal programmable light time delay device |
| 05/31/2007 | WO2006104718A3 Laser beam focusing arrangement and method |
| 05/31/2007 | US20070122103 White light-emitting device using fluorescent fiber |
| 05/31/2007 | DE102006033018A1 White light emitting device has fluorescent fiber with phosphor core and cladding transmitting multiplex of blue light from light emitter and wavelengths changed by phosphor |
| 05/16/2007 | CN2901367Y Chopper |