Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
06/2003
06/12/2003US20030108281 Interface device for a fiberoptic communication network and methods of using such a device
06/12/2003US20030108280 High speed data link including a superconductive plate assembly for use in a data transmission scheme and method
06/12/2003US20030108265 Polarization multiplexed optical clock
06/12/2003US20030108263 Polarization multiplexed optical data modulator
06/12/2003US20030106990 Optical amplifier
06/12/2003CA2468110A1 Methods of connecting and testing interfaces for cwdm fiberoptic systems
06/11/2003EP1318620A2 Optical amplifier
06/11/2003EP1025661B1 Transceiver for wavelength multiplexing processes
06/11/2003CN2555511Y Electrostatic micromechanical whole light switch
06/11/2003CN1423447A Classified exchange optical cross node structure based on information flow classifying model
06/11/2003CN1423446A Pluggable optical plug-in and complexing module
06/11/2003CN1423445A Method for transmitting wavelength number optimized WDM system power management by optical monitoring channel
06/11/2003CN1423444A Optical wave-division complexing/decomplexing apparatus with optical power detection
06/10/2003US6577788 Gain equalization system and method
06/10/2003US6577786 Device and method for optical performance monitoring in an optical communications network
06/10/2003US6577732 Hierarchical encryption technique for dense wavelength division multiplexed systems using a wavelength bus architecture
06/10/2003US6577652 Optical add-drop multiplexer of WDM optical signals
06/10/2003US6577439 Optical amplifier
06/10/2003US6577438 Method and apparatus for monitoring and controlling gain tilt in an optical amplifier
06/10/2003US6577422 Long reach delivery of broadcast services using broadband optical sources and pre-compensation dispersion
06/10/2003US6577417 Heterodyne-wavelength division demultiplexing for optical pick-ups, microscopy, tomography telecommunication and lidar
06/10/2003US6577416 Channel control in a wavelength division multiplexed communications network
06/10/2003US6577415 Optical add-drop module with low loss and high isolation
06/10/2003US6577414 Subcarrier modulation fiber-to-the-home/curb (FTTH/C) access system providing broadband communications
06/10/2003US6577413 Method and apparatus for polarization multiplexing and demultiplexing optical tributary signals
06/10/2003CA2198503C Dispersion-tolerant 10 gb/s optical transceiver
06/05/2003WO2003047145A2 Methods and devices to minimize the optical loss when multiplexing a plurality of tunable laser sources
06/05/2003WO2003047144A1 Method for planning or provisioning data transport networks
06/05/2003WO2003047143A1 A method and apparatus of light signal modulation in light
06/05/2003WO2003046627A1 Device for multiplexing an array of optical channels, use for wavelength and add-drop multiplexing
06/05/2003WO2003001261A3 Dynamic variable optical attenuator and variable optical tap
06/05/2003WO2002091045A3 Compact tunable optical wavelength interleaver
06/05/2003WO2002091029A3 Split redundant trunk architecture using passive splitters and path switching
06/05/2003US20030103771 Spread polarization transmitter and associated system and method of operation
06/05/2003US20030103747 Wide band dispersion-controlled fiber
06/05/2003US20030103265 50/100 and 50/200 GHz de-interleaver with high isolation and dispersion compensation
06/05/2003US20030103253 Time-division and wave-division multiplexed link for use in a service area network
06/04/2003EP1317089A2 Attenuation devices
06/04/2003EP1317088A1 Method and apparatus for remote testing of optical cables using a test wavelength
06/04/2003EP1317083A2 Optical transmission system and optical transmission method utilizing Raman amplification
06/04/2003EP1316823A2 Wide band dispersion-controlled fiber
06/04/2003CN1422470A Optical add/drop multiplexer apparatus, method of controlling the same and optical communication system
06/04/2003CN1422469A Methods and apparatus for preventing deadbands in an optical communication system
06/04/2003CN1422465A Wavelength division multiplex (WDM) singnal monitor
06/04/2003CN1422030A Cascade odd-even signal separator
06/04/2003CN1422029A Wavelength division multiplexing all-band light transmission equipment
06/04/2003CN1422027A High-density wavelength division multiplexer
06/04/2003CN1422026A Optical multiplexer
06/04/2003CN1421713A Wideband dispersion control optical fibre
06/03/2003US6574413 Arrangement and method for the channel-dependent attenuation of the levels of a plurality of optical data channels
06/03/2003US6574407 Chromatic dispersion compensation in an optical fiber transmission system, and a compensation fiber
06/03/2003US6574404 Choromatic dispersion compensating module and optical transmission system using the same
06/03/2003US6574402 Optical time-division multiplexing system
06/03/2003US6574396 Waveguide grating arrangement using a segmented reflector
06/03/2003US6574392 Wavelength router
06/03/2003US6574391 Apparatus and method for wavelength selective switching
06/03/2003US6574268 Asymmetric orthogonal codes for optical communications
06/03/2003US6574192 Communications network and an add and drop node
06/03/2003US6574038 Optical transmission path having sections which overcompensate for dispersion occurring in the sections
06/03/2003US6574019 Transmission system, and station unit and remote units to be used therein
06/03/2003US6574018 Network control system for optical communication networks
06/03/2003US6574017 Wavelength division multiplex transmitter
06/03/2003US6574016 Method and apparatus for ancillary data in a wavelength division multiplexed system
05/2003
05/29/2003US20030099475 Controlling system for use with variable attenuators
05/29/2003US20030099260 Time-division multiplexed link for use in a service area network
05/29/2003US20030099032 Optical amplifier supervisory control method in WDM communication system
05/29/2003US20030099030 Optical transmission system and optical transmission method utilizing Raman amplification
05/29/2003US20030099018 Digital optical network architecture
05/29/2003US20030099015 Avoiding amplified spontaneous emission loops in optical networks
05/29/2003US20030099014 System and method for optimized design of an optical network
05/29/2003US20030099013 Interference-based DWDM optical interleaver using beam splitting and selective phase shifting and re-combining
05/28/2003EP1314274A1 Optical communication system
05/28/2003EP1314273A1 An optical communication network
05/28/2003EP1314267A1 All-optical regenerator for wavelength-division multiplexed signals
05/28/2003EP1314058A2 Athermalization and pressure desensitization of diffraction grating based wdm devices
05/28/2003EP1314055A2 Wide range tunable optical filter
05/28/2003EP1116054A4 High-q optical microwave processor using hybrid delay-line filters
05/28/2003CN1420652A Passive optic network up bandwidth dynamic allocation data transmission method
05/28/2003CN1420651A Routing in transmission network
05/28/2003CN1420374A Low return loss etching diffraction grating wave-length division multiplexer
05/27/2003US6571032 Apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion
05/27/2003US6571031 Device for multiplexing/demultiplexing and method therewith
05/27/2003US6570711 Virtual waveplate and optical channel interleaver formed therewith
05/27/2003US6570703 Optical amplifying apparatus, optical amplifying method, and optical communication system
05/27/2003US6570693 Reverse path optical combining using an optical commutator
05/27/2003US6570686 Reference wavelength providing device for performance monitor in WDM optical transmission system
05/27/2003US6570685 Node for optical communication and wavelength-division multiplexing transmission apparatus having a ring structure composed of the same nodes
05/27/2003US6570683 Wavelength re-use
05/27/2003US6570652 Athermalization and pressure desensitization of diffraction grating based spectrometer devices
05/27/2003CA2363806A1 All fiber dynamic optical wavelength switch/filter device
05/27/2003CA2299143C Optical amplifier arranged to offset raman gain
05/23/2003CA2385846A1 Avoiding amplified spontaneous emission loops in optical networks
05/22/2003WO2003043249A1 An implementation method for equalizing a power of densed wavelength division multiplex (dwdm) system
05/22/2003WO2003043248A1 Optical signal modulation method and the optical transmission system
05/22/2003WO2003043241A1 Physically scoped multicast in multi-access networks
05/22/2003WO2003043230A1 Optical wdm transmission system having a distributed arrangement of regenerators
05/22/2003WO2003043178A2 Frequency agile spread waveform generator and method and pre-processor apparatus and method
05/22/2003WO2003043177A2 Agile spread waveform generator and photonic oscillator
05/22/2003WO2003042722A2 All-optical timing jitter measurement system and method
05/22/2003WO2002097479A3 Virtual protection channel for fiber optic ring network
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