| Patents for G02F 2 - Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (2,713) |
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| 03/03/2015 | US8971699 Optical network failure recovery method |
| 03/03/2015 | US8969903 Optical element and semiconductor light emitting device using the optical element |
| 02/17/2015 | US8958701 Methods and systems of preserving client overhead bytes in optical transport network tunneling applications |
| 02/12/2015 | US20150041683 Luminous Systems |
| 02/12/2015 | US20150040980 Spectrum manipulation device and method |
| 02/10/2015 | US8953937 Arrangement for generating a signal having an adjustable time position or phase position |
| 02/04/2015 | CN104330940A 基于超宽带光频率梳产生奈奎斯特光脉冲的装置 Nyquist comb generated light pulses of light frequency devices based on ultra-wideband |
| 01/28/2015 | CN104317140A 全光实现并行信号向串行信号转换的转换器 Realization of all-optical signal conversion parallel signals to serial converter |
| 01/21/2015 | CN102735270B 一种基于波长扫描的主动式光纤光栅时域解调装置 Based wavelength scanning active FBG demodulation means Time Domain |
| 01/14/2015 | CN204101864U 一种集成平面波导型偏振不敏感全光波长转换的装置 A planar waveguide type polarization insensitive all-optical wavelength conversion device integration |
| 01/14/2015 | CN103091935B 一种光单边带调制方法及装置 An optical single sideband modulation method and apparatus |
| 12/31/2014 | CN104252084A 集成平面波导型偏振不敏感全光波长转换的方法及装置 Planar waveguide type polarization insensitive all-optical wavelength conversion method and device integration |
| 12/30/2014 | US8922374 Dendritic electronic circuits for RFID |
| 12/24/2014 | CN102929072B 无偏振串扰的偏振复用系统全光波长变换简化装置及方法 No polarization crosstalk polarization multiplexing system simplifies all-optical wavelength conversion device and method |
| 12/23/2014 | US8917444 Chip-based frequency comb generator with microwave repetition rate |
| 12/17/2014 | CN102607612B 基于单色频率绝对相位的低相干干涉解调方法 Interference frequency demodulation method is based on the absolute phase of monochromatic low coherence |
| 12/10/2014 | CN102723985B 光谱幅度编/解码系统的光频码片带宽优化设计方法 Optical frequency chip bandwidth spectrum amplitude encoding / decoding system optimization method |
| 12/02/2014 | US8903202 Mach-Zehnder optical modulator having a travelling wave electrode with a distributed ground bridging structure |
| 11/11/2014 | US8885247 Device for controlling optical frequency, method of manufacturing such a device |
| 10/28/2014 | US8873968 Optical field receiver, optical multilevel signal receiver, and optical transmission system |
| 10/28/2014 | US8873898 Polarization independent wavelength converter and polarization independent wavelength conversion method |
| 10/21/2014 | US8867122 Optical parametric oscillator |
| 10/14/2014 | US8861982 Interferometer, demodulator, and optical communication module |
| 10/14/2014 | US8859970 Terahertz wave generating device, camera, imaging device, and measurement device |
| 10/07/2014 | US8855502 Demodulator and optical transceiver |
| 10/02/2014 | WO2014154684A1 Device for the manipulation of electromagnetic radiation, more particularly for frequency conversion |
| 10/02/2014 | WO2014153602A1 An optical device and a method for transferring information from a first light to a second light |
| 09/30/2014 | US8849108 Self-correcting wavelength collision avoidance system |
| 09/30/2014 | US8848752 High spectral-purity carrier wave generation by nonlinear optical mixing |
| 09/23/2014 | US8842982 Communications network |
| 09/02/2014 | US8824899 Terminal device, method of controlling the same, computer-readable storage medium storing program therfor |
| 08/26/2014 | US8818201 Optical communication |
| 08/06/2014 | CN102395866B 平面光波导傅里叶变换光谱仪 Planar waveguide Fourier Transform Spectrometer |
| 08/05/2014 | US8798454 Method and system for automatic lane negotiation in an optical network |
| 07/30/2014 | CN103955101A 一种基于soa的两次四波混频过程的16qam信号生成方法 Soa 16qam signal generation method based on two four-wave mixing process |
| 07/30/2014 | CN102262328B 全光波长/码型转换装置 All-optical wavelength / format conversion device |
| 07/29/2014 | US8792155 Athermal DQPSK and/or DPSK demodulator |
| 07/22/2014 | US8786939 Spectral sensing demodulator |
| 07/22/2014 | US8786938 DP-QPSK demodulator |
| 07/22/2014 | US8786937 Dual-polarization QPSK demodulator |
| 07/22/2014 | US8786821 Polarization controller and polarization mode dispersion compensator |
| 07/22/2014 | US8785866 Compositions having multiple responses to excitation radiation and methods for making same |
| 07/08/2014 | US8774567 Polarization multiplexing modulator |
| 06/26/2014 | WO2014097198A1 Drive noise tolerant plaque detection |
| 06/17/2014 | US8755686 Method and device for processing failure of multi-span working channel in ring optical transmission network |
| 06/11/2014 | CN102354075B Phase generator carrier (PGC) digital demodulation method for interferometric fiber optic sensor and device thereof |
| 06/11/2014 | CN101963734B Optical mixer |
| 06/10/2014 | US8750717 Method and apparatus for waveform generation |
| 06/10/2014 | US8746398 Methods and devices for electromagnetically tuning acoustic media |
| 06/04/2014 | CN102519498B Low coherence interference demodulation method based on any extreme value |
| 06/03/2014 | US8743453 Method and apparatus for pulsed harmonic ultraviolet lasers |
| 06/03/2014 | US8743370 Interferometer including elements that reflect beams moved in parallel in a direction substantially perpendicular to a substrate by reflection |
| 05/28/2014 | CN203616562U 一种基于量子点材料的全光波长转换器 Based on quantum dot material all-optical wavelength converter |
| 05/20/2014 | US8730565 Electromagnetic wave radiation element and method for producing same |
| 05/20/2014 | US8730562 Parallel optical sampler |
| 05/15/2014 | US20140133012 Dp-qpsk demodulator |
| 04/30/2014 | CN103759748A Fast low-coherence interference demodulation method based on position related dispersion characteristics |
| 04/29/2014 | US8712235 Transmission apparatus and network protection method |
| 04/23/2014 | CN203561374U Long-period Fiber Bragg Grating (FBG) wavelength information demodulator |
| 04/22/2014 | US8705955 Optical access network, secondary network side termination node of an optical access network, and method for operating a network side termination node |
| 04/22/2014 | CA2574033C Multiple wavelength signal generation device, and generation method for multiple wavelength light |
| 04/15/2014 | US8699122 Interferometer, demodulator, and optical fiber communication module |
| 04/09/2014 | CN103713443A Demodulation device based on orbital angular momentum of light beams |
| 04/09/2014 | CN101946438B Optical OFDM receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method |
| 04/02/2014 | CN103701028A High-repetition frequency high-strength terahertz source based on double-tone coherent control plasma |
| 03/25/2014 | US8682177 Super high speed optical frequency sweeping technology |
| 03/20/2014 | WO2014040141A1 Enhancing upconversion luminescence in rare-earth doped particles |
| 03/20/2014 | US20140078298 Snapshot spatial heterodyne imaging polarimetry |
| 03/13/2014 | US20140071517 Broadband optical upconversion by energy transfer from dye antenna to upconverting crystal |
| 03/12/2014 | CN103631065A Time domain cloaking device based on micro loop resonator |
| 02/26/2014 | CN103604446A Multi-channel fiber bragg grating absolute wavelength demodulation system based on single detector and method thereof |
| 02/25/2014 | US8660422 Combined communication and broadcasting dual switching system and method |
| 02/25/2014 | US8659820 Spectral sensing demodulator |
| 02/19/2014 | CN102200671B Extinction ratio debugging device and method of optical module |
| 02/18/2014 | US8655192 Polarization diversity optical system device, demodulator and transceiver |
| 02/13/2014 | US20140043673 Method and device for converting optical frequency |
| 02/12/2014 | CN102494877B Method for demodulating extinction ratio test data of polarizing device by white light interference method |
| 02/06/2014 | WO2014020669A1 Light receiving circuit |
| 02/05/2014 | EP2693630A1 Method for providing modulated excitation signals |
| 02/05/2014 | CN203422098U DFB laser-based FBG wavelength demodulator |
| 01/29/2014 | CN103546217A Novel anti-interference infrared signal emitting device with modulation function |
| 01/22/2014 | EP2687902A1 Quantum rod light-emitting display device |
| 01/22/2014 | CN103528606A Amplitude modulating and demodulating device for phi-OTDR (Optical Time Domain Reflectometer) distributed type sensing |
| 01/15/2014 | CN103513491A Method and device based on parabola phase modulation for producing optical frequency combs |
| 01/14/2014 | CA2730835C Thermally switched optical downconverting filter |
| 01/02/2014 | US20140001503 Conversion Component |
| 12/31/2013 | US8620132 Terahertz scanning reflectometer |
| 12/31/2013 | US8619355 Device for generating or receiving terahertz radiation |
| 12/11/2013 | CN103438916A Fiber grating wavelength demodulating device based on saturable absorption fiber |
| 11/26/2013 | US8592747 Programmable filters for improving data fidelity in swept-wavelength interferometry-based systems |
| 11/19/2013 | US8587863 Wavelength conversion device, solid-state laser apparatus, and laser system |
| 11/13/2013 | CN101527600B Coherent optical receiver and adjusting method thereof |
| 11/05/2013 | US8573785 Wavelength-switched optical systems |
| 10/30/2013 | CN102109732B Differential quadrature phase shift keying demodulator |
| 10/30/2013 | CN101435970B Imaging with nondegenerate frequency-entangled photons |
| 10/29/2013 | US8569675 Optical analog PPM demodulator |
| 10/24/2013 | DE102012005658B4 Weißlichterzeugung White light generation |
| 10/22/2013 | US8563955 Passive terahertz radiation source |
| 10/17/2013 | US20130271823 Modulated signal detecting apparatus and modulated signal detecting method |
| 10/17/2013 | US20130271822 Athermal dqpsk and/or dpsk demodulator |