| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 09/23/2004 | US20040184807 Wavelength converter and wavelength division multiplexing transmission method using same |
| 09/21/2004 | US6795233 Cross-gain modulation type optical wavelength converter having high extinction ratio and wide input dynamic range |
| 09/21/2004 | US6794265 Methods of forming quantum dots of Group IV semiconductor materials |
| 09/16/2004 | US20040179842 Method of and apparatus for providing multi-wavelength light source |
| 09/15/2004 | EP1458127A2 Method of and apparatus for providing multi-wavelenght light source |
| 09/14/2004 | CA2364452C Radiation concentrator for a photovoltaic device |
| 09/10/2004 | WO2004077143A1 Method and apparatus for modulating an optical beam in an optical device |
| 08/31/2004 | US6785040 Spectral modulation in an optical wavelength converter |
| 08/26/2004 | US20040165860 All optical display with storage and IR-quenchable phosphors |
| 08/26/2004 | US20040165807 Method and apparatus for modulating an optical beam in an optical device |
| 08/25/2004 | EP1449285A2 Optical microwave source |
| 08/19/2004 | WO2004070896A2 Poled optical whispering gallery mode resonators |
| 08/19/2004 | US20040160661 Optical fiber quadrature demodulator |
| 08/17/2004 | US6778317 Optical fiber quadrature demodulator |
| 08/12/2004 | WO2004068178A2 Method for switching and controlling solitons in tunnel-coupled optical waveguides by the weak signal of a different carrier frequency |
| 08/10/2004 | US6775482 Light receiver |
| 08/10/2004 | US6775481 3R optical signal regeneration |
| 07/29/2004 | US20040146243 Systems and methods for wavelength conversion using photonic bandgap shifting |
| 07/15/2004 | US20040136050 Optical wavelength converter |
| 07/13/2004 | US6762876 Optical converter with a designated output wavelength |
| 07/06/2004 | US6760515 All optical display with storage and IR-quenchable phosphors |
| 07/01/2004 | US20040126072 Optical devices with engineered nonlinear nanocomposite materials |
| 06/29/2004 | CA2210348C Method and device for controlling the alignment of two lightwaves in the course of a coherent superimposed reception |
| 06/24/2004 | WO2004053587A1 Method of and device for optical wavelength conversion |
| 06/23/2004 | CN1155173C Optical transmission system with receiver using full optical clock recovery |
| 06/22/2004 | US6753996 Light-controlled light modulator |
| 06/22/2004 | US6753993 Passive optical wavelength converter |
| 06/17/2004 | US20040114941 Two-optical signal generator for generating two optical signals having adjustable optical frequency difference |
| 06/16/2004 | EP1429179A1 Method of and device for optical wavelength conversion |
| 06/16/2004 | CN1505302A A broad band online fineness compensation arrangement |
| 06/10/2004 | US20040109690 Optical control method and device |
| 06/03/2004 | US20040105615 Wavelength converter |
| 05/27/2004 | US20040101301 Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method |
| 05/27/2004 | DE10253874A1 Method for forming optical functional component for adjusting micro lithographic projection illumination installations, using charge coupled device (CCD) camera |
| 05/25/2004 | US6741810 Signal demultiplexing device and signal routing device in high speed transmission system |
| 05/21/2004 | WO2004042468A1 Generator of a multiple frequency component electric signal |
| 05/20/2004 | US20040095633 Non-linear optical carrier frequency converter |
| 05/19/2004 | CN1497247A Optical sampling system of simultaneous monitoring intensity modulation and frequency modulation |
| 05/13/2004 | US20040090665 Separating apparatus for time division multiplexed signal light, and optical receiving apparatus and optical transmission system using the same |
| 05/13/2004 | US20040090662 Cross-gain modulation type optical wavelength converter having high extinction ratio and wide input dynamic range |
| 05/11/2004 | US6735013 System and method for wavelength conversion using traveling-wave polymers for WDM applications |
| 05/06/2004 | WO2004038979A2 Passive optical network address association recovery |
| 05/06/2004 | WO2004038492A1 Optical signal amplifying three-terminal device, optical signal transfer method using same, optical signal relay device, and optical signal storage device |
| 05/06/2004 | US20040085620 Low-noise optical frequency converter |
| 05/06/2004 | US20040085616 Projection system utilizing SLM pixels that include SLM pixel regions satisfying acceptable defective SLM pixel policy and SLM regions failing policy |
| 05/06/2004 | EP1416462A1 Projection system utilising SLM pixels that include SLM pixel regions satisfying acceptable defective SLM pixel policy and SLM pixel regions failing policy |
| 05/05/2004 | CN1494237A Ultra high speed optical fiber grating sensor demodulating system and its realizing method |
| 04/29/2004 | US20040081464 Optical gate device, manufacturing method for the device, and system including the device |
| 04/29/2004 | US20040080753 Heterodyne based optical spectrum analysis with controlled optical attenuation |
| 04/22/2004 | WO2003043178A3 Frequency agile spread waveform generator and method and pre-processor apparatus and method |
| 04/22/2004 | US20040078798 Computing device with an emedded microprocessor or micro-controller |
| 04/22/2004 | US20040075890 Optical signal processing element using saturable absorber and optical amplifier |
| 04/21/2004 | EP1411387A1 Optical frequency com generator |
| 04/15/2004 | US20040071472 Optical sampling system for simultaneously monitoring intensity modulation and frequency modulation |
| 04/14/2004 | EP1408629A2 Optical sampling system for simultaneously monitoring intensity modulation and frequency modulation |
| 04/13/2004 | US6721086 Optical fiber emulator |
| 04/06/2004 | US6717718 Hybrid optical device |
| 03/23/2004 | US6710911 Optical wavelength converter |
| 03/23/2004 | US6710366 Nanocomposite materials with engineered properties |
| 03/18/2004 | US20040051936 Frequency synthesiser |
| 03/17/2004 | CN1482481A 全光波长转换器 All-optical wavelength converter |
| 03/16/2004 | US6707586 Optical frequency converter using reciprocating modulation |
| 03/16/2004 | US6707021 Transparent medium processing device |
| 03/11/2004 | WO2003049242A3 Optical microwave source |
| 03/03/2004 | EP1394599A1 Wavelength converter |
| 03/03/2004 | EP1393484A1 Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (wdm) signals |
| 03/03/2004 | CN1479968A Process and device for detecting and processing signal waves |
| 03/03/2004 | CN1479476A Production method f twittering pulse |
| 02/26/2004 | US20040036130 Methods of forming quantum dots of group iv semiconductor materials |
| 02/25/2004 | EP1392016A2 Separating apparatus for optical time division multiplexed signal |
| 02/11/2004 | CN1474521A Light transmission device and method of optimum light return-to-zero code receiving pulse width |
| 02/05/2004 | US20040021830 Optical modulator, optical device and projector |
| 01/28/2004 | CN1471700A Display device |
| 01/28/2004 | CN1136465C Fiber grating |
| 01/27/2004 | CA2222669C Optical timing detection |
| 01/22/2004 | US20040012834 Method and device for the recording and processing signal waves |
| 01/21/2004 | EP1381914A2 Computing device with an embedded microprocessor or micro-controller |
| 01/21/2004 | CN1469159A Optical modulator, optical apparatus anjd projector |
| 01/21/2004 | CN1135750C Single sideband modulators |
| 01/15/2004 | US20040010537 Method and apparatus for synthesizing and utilizing waveforms |
| 01/15/2004 | US20040008403 Optical frequency conversion systems and methods |
| 01/14/2004 | EP1380881A1 Optical function element and optical function device |
| 01/08/2004 | WO2004003653A1 Four-wave-mixing based optical wavelength converter device |
| 01/08/2004 | US20040004780 Optical and gate and waveform shaping device |
| 01/07/2004 | EP1379018A1 Optical gate and waveform shaping device |
| 01/06/2004 | US6674969 Two-optical signal generator for generating two opticle signals having adjustable optical frequency difference |
| 01/01/2004 | US20040001247 Wavelength converter and optical cross connect system |
| 12/30/2003 | US6671056 Method and system for optical spectrum analysis with a depolarized local oscillator signal |
| 12/16/2003 | US6665480 Optical gate device, manufacturing method for the device, and system including the device |
| 12/16/2003 | US6665113 Wavelength converter and wavelength division multiplexing transmission method using same |
| 12/10/2003 | EP1369742A1 Standard radio frequency signal generating method and device |
| 12/10/2003 | EP1368802A2 Display device |
| 12/10/2003 | CN1461518A Method and device for detecting and processing signal waves |
| 12/04/2003 | US20030223757 Standard radio frequency signal generating method and standard radio frequency signal generating device |
| 12/03/2003 | EP1367432A1 Optical control method and device |
| 12/02/2003 | US6657773 Wavelength selector and converter and a photonic switching matrix incorporating it |
| 11/20/2003 | WO2003043177A3 Agile spread waveform generator and photonic oscillator |
| 11/18/2003 | CA2310957C Optical device |
| 11/12/2003 | EP1361683A1 Optical to radio frequency detector |
| 11/11/2003 | US6646784 Optical wavelength converter |