| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 04/15/1998 | EP0836112A2 Optical switch |
| 04/15/1998 | EP0835542A1 Wavelength converter |
| 04/08/1998 | EP0723676B1 Optical switching device |
| 04/07/1998 | US5737116 Frequency shifter and optical displacement measuring apparatus using the same |
| 04/01/1998 | EP0833189A2 Wavelength converter for high bit rate |
| 04/01/1998 | EP0833188A2 Optical threshold switch |
| 03/28/1998 | CA2215145A1 Wavelength converter suitable for high bit rates |
| 03/25/1998 | EP0831604A1 Method and system for controlling the position of two lightwaves in heterodyne coherent reception |
| 03/25/1998 | EP0830721A1 Optical amplifier |
| 03/18/1998 | EP0563068B1 Intensity dividing device |
| 03/11/1998 | EP0828174A2 Optical wavelength converter device and optical pulse phase detecting circuit |
| 03/04/1998 | EP0826254A1 Optical frequency generator |
| 02/24/1998 | US5721637 Wavelength converter apparatus |
| 02/18/1998 | EP0563073B1 Optical mixing device |
| 01/14/1998 | EP0817980A2 Compact optical-optical switches and wavelength converters by means of multimode interference mode converters |
| 01/14/1998 | EP0659284B1 Non-linear semiconductor optical device |
| 01/13/1998 | US5707890 Method of shifting a wavelength in a semiconductor structure having quantum wells |
| 12/30/1997 | US5703706 Spectral modification through phase modulation with spatial extent |
| 12/17/1997 | EP0813097A1 Digital optical signal shaping device and its use for modifying digital optical signals |
| 12/14/1997 | CA2208876A1 Device for optical regeneration of binary signals and its use to modify the signal |
| 11/04/1997 | US5684621 Method and system for three-dimensional display of information based on two-photon upconversion |
| 10/15/1997 | EP0801123A2 Optically pumped up converting light source |
| 10/07/1997 | US5675428 Optical communication apparatus |
| 09/30/1997 | US5673140 Non-linear semiconductor optical device |
| 09/17/1997 | EP0795778A1 Nonlinear optical signal processing device |
| 08/21/1997 | WO1997030372A1 Optical control method and optical controller |
| 08/20/1997 | EP0790679A2 Monolithically integrated optical semiconductor assembly and method for making the same |
| 08/20/1997 | EP0646254B1 A method and a device for correlating two or more optical pulse signals |
| 08/19/1997 | US5659412 Polarization diversity detection of optical signals transmitted through a polarization-mode dispersive medium |
| 08/13/1997 | EP0445293B1 Light receiving system of heterodyne detection and image forming device for light transmission image using said light receiving system |
| 08/06/1997 | EP0788252A2 Method and apparatus for reducing adverse effects of optical beat interference in optical communication systems |
| 07/09/1997 | EP0563067B1 Optical device |
| 07/01/1997 | US5644664 Fiber optic digital transmission system |
| 05/29/1997 | WO1997019527A1 Submillimeter indirect heterodyne receiver and mixer element |
| 05/29/1997 | WO1997019504A1 Frequency synthesizer |
| 05/29/1997 | CA2237661A1 Submillimeter indirect heterodyne receiver and mixer element |
| 05/28/1997 | EP0659283B1 Integrated opto-acoustic component |
| 05/21/1997 | EP0774844A1 Method and device for optically recovering the synchronism of an optical digital signal |
| 05/20/1997 | US5631768 Technical field of optoelectronics |
| 04/29/1997 | CA2073087C Frequency modulation coherent optical communications system with continuous polarization scrambling |
| 04/22/1997 | US5623360 Time delay beam formation |
| 04/09/1997 | EP0767395A2 Device and method for modifying the spectral characteristics of optical signals |
| 04/02/1997 | EP0766124A1 Durable infrared target having fast response time |
| 03/27/1997 | DE19535772A1 Optical conversion of carrier wavelength of optical transmission data signals esp. for regeneration |
| 03/19/1997 | CN1145669A Optical device |
| 03/12/1997 | EP0762565A2 Solid state device for generating electromagnetic wave in terahertz-band |
| 01/23/1997 | WO1997002634A1 Wavelength converter |
| 01/23/1997 | CA2225865A1 Wavelength converter |
| 01/21/1997 | US5596441 Optical polarization controller |
| 01/15/1997 | CN1140492A Infrared image converter |
| 01/14/1997 | US5594583 Apparatus for re-shaping a train of light pulses, and apparatus for recovering a periodic signal synchronized on a train of modulated light pulses |
| 01/14/1997 | US5594578 Optical communications system including doped optical fiber filter |
| 01/02/1997 | DE19627333A1 Wavelength converter for laser light for conveying information by light signals |
| 12/27/1996 | EP0749591A1 Optical device |
| 12/19/1996 | WO1996041405A1 Optical amplifier |
| 12/03/1996 | US5581389 Light frequency control apparatus |
| 11/27/1996 | EP0744043A1 Infrared image converter |
| 10/24/1996 | WO1996033535A1 Optical frequency generator |
| 10/24/1996 | DE19514386A1 Optischer Frequenzgenerator Optical frequency generator |
| 10/16/1996 | CN1133652A Optical pulse sequence generator |
| 10/09/1996 | CN1133095A Optical switching device |
| 10/02/1996 | EP0735710A2 Device for demultiplexing of an optical digital signal |
| 10/01/1996 | CA2171173A1 Apparatus for demultiplexing an optical digital signal |
| 10/01/1996 | CA2047220C Apparatus for generating a comb of optical teeth of different wavelengths |
| 09/03/1996 | US5552919 Tunable-filter control method, tunable-filter control apparatus and optical communication system using the same |
| 08/21/1996 | EP0546148B1 Laser radar device |
| 08/20/1996 | US5548402 Optical sweep signal generator |
| 08/07/1996 | EP0725287A1 Integrated optical control element and a method for fabricating the same and optical integrated circuit element and optical integrated circuit device using the same |
| 07/31/1996 | EP0723716A1 Optical pulse sequence generator |
| 07/31/1996 | EP0723676A1 Optical switching device |
| 07/30/1996 | US5542009 Integrated acousto-optical componen for frequency-shifting optical frequencies |
| 07/25/1996 | WO1996022562A1 Optical switch |
| 07/23/1996 | US5539760 Process for the transposition of an optical modulation of one wavelength to another adjustable wavelength |
| 07/16/1996 | US5537634 Subcarrier-multiplexed optical transmission systems using optical channel selection |
| 07/02/1996 | US5532868 Apparatus and method for compensating chromatic dispersion produced in optical phase conjugation or other types of optical signal conversion |
| 06/19/1996 | EP0717482A1 Semiconductor interferometric optical wavelength conversion device |
| 06/12/1996 | EP0716516A1 Polarization diversity detection of optical signals transmitted through a polarization-mode dispersive medium |
| 06/12/1996 | EP0716486A1 Wavelength convertor |
| 06/11/1996 | US5526162 Synchronous polarization and phase modulation for improved performance of optical transmission systems |
| 06/04/1996 | US5524014 Optical frequency translator |
| 05/21/1996 | US5519529 Infrared image converter |
| 05/14/1996 | US5517346 Optical wavelength shifting apparatus |
| 04/30/1996 | US5513284 Method and a device for correlating two or more optical pulse signals |
| 04/23/1996 | US5510922 Optical frequency stabilizer and optical frequency selector |
| 04/23/1996 | US5510627 For converting a first light radiation into a second light radiations |
| 04/03/1996 | EP0704996A1 Synchronous polarization and phase modulation for improved performance of optical transmission systems |
| 03/27/1996 | EP0703680A2 Apparatus and method for compensating chromatic dispersion produced in optical phase conjugation or other types of optical signal conversion |
| 03/27/1996 | EP0703473A1 Optoelectronic device with integrated improved multiwavelength receiver |
| 03/27/1996 | EP0702804A1 Optical beam amplitude modulation rate amplification device |
| 03/26/1996 | US5502706 Optical storage medium utilizing electron trapping film layers sandwiched with electrodes |
| 03/21/1996 | WO1996008887A1 Spectral modification through phase modulation with spatial extent |
| 03/21/1996 | CA2176113A1 Spectral modification through phase modulation with spatial extent |
| 03/19/1996 | US5500762 Light frequency control apparatus |
| 03/12/1996 | US5498923 Fluoresence imaging |
| 03/05/1996 | US5497385 Optical microwave generator |
| 02/20/1996 | US5493110 Light frequency synthesizer |
| 02/20/1996 | US5492776 Upconversion waveguide which is capable of converting ir radiation and visible light into visible rgb-uv radiation |
| 01/16/1996 | US5485272 Radiation-source unit for generating a beam having two directions of polarisation and two frequencies |
| 12/20/1995 | EP0688069A1 Interferometric semiconductor laser with low loss outcoupler and assembly comprising such a laser |
| 12/20/1995 | EP0687939A2 Wavelength converter |