Patents
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
05/2004
05/18/2004US6738542 Optical fibre communication system
05/18/2004US6738408 Mode-locked laser apparatus
05/18/2004US6738401 High speed switching driver
05/18/2004US6738184 Optical amplifier for amplifying multi-wavelength light
05/18/2004US6738183 Optical filter functioning as both a gain equalizer and noise-light blocking filter
05/18/2004US6738182 Optical fiber amplifier
05/18/2004US6738181 Optical sending apparatus and channel extension method
05/18/2004US6738180 Optical transmission system
05/18/2004US6738179 Method and device for shaping the waveform of an optical signal
05/18/2004US6738173 Limiting amplifier modulator driver
05/18/2004US6738147 Autostigmatic far field simulator
05/18/2004US6737623 Photo-detecting semiconductor device and an apparatus having such a photo-detecting semiconductor device
05/13/2004WO2004040811A1 Wavelength division multiplexing optical transmission system
05/13/2004WO2004040810A1 Multiport optical amplifier with vcsel pump array and gain control
05/13/2004WO2004040809A2 Gain control in optical amplifiers
05/13/2004WO2004040808A1 Digital and programmable control of optical transceiver elements
05/13/2004WO2004040342A1 Optical slab waveguide interchip communication bus and synchronisation method
05/13/2004WO2004019504A3 Modular dispersion map for an optical communication system
05/13/2004WO2004019503A3 Method and apparatus for providing staggered groupwise dispersion compensation in a wdm optical communication system
05/13/2004WO2004008202B1 Scheme for controlling polarization in optical waveguides
05/13/2004US20040093061 Apparatus and methods for delivery of multiple distributed stents
05/13/2004US20040092367 Exercise equipment with universal PDA cradle
05/13/2004US20040091272 On-line dispersion compensation device for a wavelength division optical transmission system
05/13/2004US20040091271 System and method of measuring turn-on and turn-off times of an optoelectronic device
05/13/2004US20040091270 Optical transmitter receiver for free space optical communication and network system and application apparatus thereof
05/13/2004US20040091269 Optical free space signalling system
05/13/2004US20040091268 Transmitter optical sub-assembly
05/13/2004US20040091266 Optical transmission system, optical multiplexer, and optical demultiplexer
05/13/2004US20040091265 Passive optical network using loop back of multi-wavelength light generated at central office
05/13/2004US20040091263 Wavelength-division multiplexing optical communication system
05/13/2004US20040091261 Method for measurement of optical or electrical signal sequences and eye diagram monitor for measurement and display of signal sequences
05/13/2004US20040091231 Optical subassembly tester and testing method
05/13/2004US20040091229 Variable optical attenuator with MEMS devices
05/13/2004US20040091223 Device for the compensation of chromatic dispersion
05/13/2004US20040091206 Method, apparatus and system for controlling the effects of power transients in optical transmission systems
05/13/2004US20040091205 Method, apparatus and system for controlling power transients in a Raman-amplified optical transmission system
05/13/2004US20040091204 Snr booster for wdm systems
05/13/2004US20040091199 WDM optical communications system
05/13/2004US20040091028 Transceiver module and integrated circuit with dual eye openers and equalizer
05/13/2004US20040091003 Optical amplifying apparatus
05/13/2004US20040090665 Separating apparatus for time division multiplexed signal light, and optical receiving apparatus and optical transmission system using the same
05/13/2004US20040090664 Integration of gain equalization filter in a gain medium
05/13/2004US20040090663 Loss point detecting method and distributed Raman amplifier applying the same
05/13/2004US20040090661 Method and apparatus for silicon-based optically-pumped amplification using stimulated scattering
05/13/2004US20040090616 Automated system and method for optical measurement and testing
05/13/2004DE10246723A1 Verfahren und Anordnung zur Ermittlung von Signaldegradationen in Anwesenheit von Signalverzerrungen Method and apparatus for determining Signaldegradationen in the presence of signal distortion
05/12/2004EP1418691A2 Passive optical network using loop back of multi-wavelength light generated at central office
05/12/2004EP1418690A2 Optical amplifying apparatus
05/12/2004EP1418689A2 Optical receiver for a free-space transmission system
05/12/2004EP1417799A1 Optical receiver for receiving a plurality of input signals
05/12/2004EP1417787A1 Optical transmitter for transmitting a plurality of output signals
05/12/2004EP1417786A1 High-speed optical data links
05/12/2004EP1417712A1 Integrated arrays of modulators and lasers on electronics
05/12/2004EP1417497A1 Virtual line switched ring (vlsr) connection state distribution scheme
05/12/2004EP1417458A2 Transceiver device for cooperation with an optical fiber
05/12/2004EP1153331A4 Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression
05/12/2004EP1000474B1 Optical fibre communication system
05/12/2004CN1496076A Data communication method, data transmitting equipment, data receiver and data transmitting program
05/12/2004CN1496047A Demultiplexer for optical time-division multiplexing signal
05/12/2004CN1496031A Optical user network system for receiving broadcasting/communication signal
05/12/2004CN1496030A System and method for power supply to optical communication dielectric converter
05/12/2004CN1495500A Optical amplifier, compensating method for gain to temp commply with relation and optical transmission channel
05/12/2004CN1495453A 光学开关和光学网络 Optical switches and optical network
05/12/2004CN1495451A Single mode optical fibre
05/12/2004CN1495438A Low nose signal generator for radio-frequency recognition system
05/12/2004CN1149774C Reference wave length providing equipment of performance monitor in wave division comples optical transmitting system
05/12/2004CN1149773C Optical transmission systems using optical amplifiers and wavelength division multiplexing
05/12/2004CN1149761C Protection method based on business in optical network
05/12/2004CN1149760C Multi-beam wave-synthesis wave-partitioning apparatus for cladded pumping optical fiber amplifier and laser
05/12/2004CN1149759C Method for transmitting additional data singnals and useful data singal by means of optical links
05/12/2004CN1149758C Optical receiver having no relation to bit rate, and receiving method thereof
05/12/2004CN1149415C 光学开关和光学网络 Optical switches and optical network
05/11/2004US6735398 Generating methods for single and multi-channel wideband optical analog pulse positioned waveforms
05/11/2004US6735397 Skew discovery and compensation for WDM fiber communications systems using 8b10b encoding
05/11/2004US6735396 Communications network
05/11/2004US6735395 WDM communication system utilizing WDM optical sources with stabilized wavelengths and light intensity and method for stabilization thereof
05/11/2004US6735394 Per-channel optical amplification using saturation mode
05/11/2004US6735391 Automatic retrieval of wavelength-division multiplexed ring networks
05/11/2004US6735390 Method and apparatus for terminating optical links in an optical network
05/11/2004US6735372 Channel power monitor
05/11/2004US6735356 Free space duplexed optical communication with transmitter end multiplexing and receiver and amplification
05/11/2004US6735352 Arrangement and method for producing a predeterminable polarization mode dispersion
05/11/2004US6735351 Fast-adapting PMD compensator
05/11/2004US6735211 Packet communications customer-station apparatus
05/11/2004US6735007 Optoelectronic device
05/11/2004US6734712 Logarithmic amplifier
05/11/2004US6734411 Method and apparatus for controlling power levels of optical signals in optical fiber interconnects
05/11/2004US6733183 Dynamically configurable backplane
05/11/2004CA2267777C Monitoring system using an optical side tone as a test signal
05/06/2004WO2004038964A2 Integrated optical detector directly attached to readout integrated circuit
05/06/2004WO2004038963A2 Conformal retro-modulator optical devices
05/06/2004WO2004038962A1 Illumination light communication device
05/06/2004WO2004038961A1 Systems and methods for testing a circuit in an optical communication network
05/06/2004WO2004038948A2 Second order predistortion circuit
05/06/2004WO2004038359A1 Load dependent analyzing optical components
05/06/2004WO2004019458A9 Sharing pump energy among different fiber pairs
05/06/2004WO2004019076A3 Adaptor arrangement for detecting faults in an optically amplified multi-span transmission system using a remotely located otdr
05/06/2004WO2004019074A9 Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path
05/06/2004WO2004010625A3 Automatic detection and resolution of fiber cabling errors in optical networks
05/06/2004WO2004002026A3 Dispersion compensation architecture for switch-ready optical networks