Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2002
10/29/2002US6473540 Device and method for filtering optical wavelengths
10/29/2002US6473234 Tunable filter system with backreflection reference
10/29/2002US6473212 Lightwave communication systems using semiconductor optical amplifiers
10/29/2002US6473210 Method for measuring the performance of broadband dense wavelength division multiplexer (DWDM) using non-linear iterative algorithm
10/24/2002WO2002084915A1 Low loss wdm add drop node
10/24/2002WO2002084906A1 High-speed optical transmission device
10/24/2002WO2002084905A2 Optical sources and transmitters for optical telecommunications
10/24/2002WO2002084901A2 Method for controlling a laser-based 3r regenerator
10/24/2002WO2002084900A2 3r regenerator with wavelength conversion
10/24/2002WO2002071791A3 Photonic communication system with 'sub-line rate' bandwidth granularity, protocol transparency and deterministic mesh connectivity
10/24/2002WO2001061903A9 Dynamic programmable optical add/drop module
10/24/2002WO2000010271A3 Wavelength control in optical wdm systems
10/24/2002US20020157114 Burst-mode digital transmitter
10/24/2002US20020154861 Arrayed waveguide grating optical multiplexer/demultiplexer
10/24/2002US20020154857 Wavelength division multiplexing/demultiplexing systems
10/24/2002US20020154856 Optical multiplexer, demultiplexer and methods
10/24/2002US20020154855 Wavelength division multiplexed device
10/24/2002US20020154853 Optical switching system with power balancing
10/24/2002US20020154383 Optical systems
10/24/2002US20020154372 Power and optical frequency monitoring system and transmission system of frequency-modulated optical signal
10/24/2002US20020154368 Reverse path optical combining using an optical commutator
10/24/2002US20020154363 Universal fiber optics network
10/24/2002US20020154361 Wavelength division multiplexed (WDM) network element and a method for propagating data packets across the network element
10/24/2002US20020154359 Method of activating optical communication system, channel increasing/decreasing method, and computer-readable recording medium
10/24/2002US20020154358 Clock synchronization supervisory method of OSC signal in wavelength multiplexing system and wavelength multiplexing system using that method
10/24/2002US20020154357 Methods and apparatus for reconfigurable WDM lightpath rings
10/24/2002US20020154356 Optical transmission system with an improved signal-to-noise ratio
10/24/2002US20020154355 WDM transmitter
10/24/2002US20020154354 Optically interconnecting multiple processors
10/24/2002US20020154353 Method and apparatus for measuring and estimating optical signal to noise ratio in photonic networks
10/24/2002US20020154313 Optical interferometer for multiplexing optical signals
10/24/2002DE10105675A1 Verfahren zum Verbindungsaufbau in zumindest einem optischen WDM-Übertragungssystem Method for setting up at least in an optical WDM transmission system
10/24/2002CA2444625A1 Optical sources and transmitters for optical telecommunications
10/24/2002CA2443612A1 3r regenerator with wavelength conversion
10/24/2002CA2440395A1 Low loss wdm add drop node
10/23/2002EP1251712A2 Wavelength group wavelength converter and wavelength group exchange using the same
10/23/2002EP1251652A2 Arrayed waveguide grating optical multiplexer/demultiplexer
10/23/2002EP1251651A1 Method for bi-directional transmission of wavelength in a WDM transmission system and a WDM transmission system and optical nodes therefore
10/23/2002EP1251650A2 Fiber optic communication method
10/23/2002EP1058979A4 Virtual star network
10/23/2002EP1053614A4 Dense wdm in the 1310nm band
10/23/2002CN1376346A WDM transmitter and receiver
10/23/2002CN1376343A Method and system to reduce four-wave mixing (FWM) penalty in NRZ WDM systems
10/23/2002CN1375963A Distributino-type intelligent medium access agreement for dense wave division shared ring-net
10/23/2002CN1375958A Wave-division shared transmission path and dispersion compensation optical fiber
10/23/2002CN1375957A Delay interference wavelength conversion and/or 2R regenerator
10/23/2002CN1375947A Waveguide grating array wave splitting/composing device with channel monitoring function
10/23/2002CN1375946A Frequency separating device
10/23/2002CN1093268C Wavelength division multiplexing method and device
10/22/2002US6469823 Optical wavelength converter and optical wavelength division multiplexing communication system using the same
10/22/2002US6469814 Apparatus and method for detecting channel information from WDM optical signal by using wavelength selective photo detector
10/22/2002US6469813 Reducing collision-induced jitter by wavelength interchange in an optical fiber transmission system using soliton signals and wavelength division multiplexing
10/22/2002US6469812 Method and system for identifying undesired products of non-linear optical mixing
10/22/2002CA2262046C Optical layer quasi-centralized restoration
10/17/2002WO2002082706A2 High spectral efficiency, high performance optical mux and demux architecture
10/17/2002WO2002082703A1 Wavelength associative addressing system for wdm type light packet steering
10/17/2002WO2002082702A1 Time slot scheduling for shared-medium communications networks
10/17/2002WO2002082166A2 Variable optical source
10/17/2002WO2002082165A2 Dynamic optical filter having a spatial light modulator
10/17/2002WO2002082157A1 Two-fiber optical shared protection ring with a bi-directional 4x4 optical switch fabric
10/17/2002WO2002051041A3 Improvements in, or relating to, optical communications
10/17/2002WO2002011332A3 Wavelength selectable optical add-drop multiplexer
10/17/2002US20020150338 Array waveguide grating, array waveguide grating module, optical communication unit and optical communication system
10/17/2002US20020150334 Optical code generation and detection
10/17/2002US20020150328 In-line hub amplifier structure
10/17/2002US20020149841 Raman excitation control method and optical transmission system using the same
10/17/2002US20020149824 Synchronization of an optical pulse stream with an electrical signal
10/17/2002US20020149819 OADM system and method for computing wavelength number therein
10/17/2002US20020149818 Optical device and wavelength division multiplexing communication system using same
10/17/2002US20020149817 Open ring architectures for optical WDM networks
10/17/2002US20020149814 Multi-function optical performance monitor
10/17/2002US20020149812 Method and procedures for system test and verification of optical networks using noise injection/loading
10/17/2002CA2443664A1 Variable optical source
10/17/2002CA2443409A1 High spectral efficiency, high performance optical mux and demux architecture
10/17/2002CA2443356A1 Dynamic optical filter having a spatial light modulator
10/16/2002EP1250018A1 Wireless base station network system, control station, base station switching method, signal processing method, and handover control method
10/16/2002EP1249956A2 In-line hub amplifier structure
10/16/2002EP1249087A1 Improved data compression apparatus and method therefor
10/16/2002CN2517183Y Optical signal modulation device of optical communication system
10/16/2002CN1374775A All optical high bit rate multiplexing device
10/16/2002CN1374767A Wideband incoherent spectrum partable fiber light source for multichannel wavelength division multiplexing system
10/16/2002CN1092882C Channel selection in optical TDMA network
10/15/2002US6467092 Method for adjusting power in a communication system with multicarrier telephony transport
10/15/2002US6466348 Trunk apparatus of a wavelength-division-multiplexing communication system for controlling a gain of an optical amplifier provided therein
10/15/2002US6466346 WDM optical communication systems with wavelength-stabilized optical selectors
10/15/2002US6466345 Multiple wavelength source
10/15/2002US6466344 Optical switch, optical amplifier and optical power controller as well as optical add-drop multiplexer
10/15/2002US6466343 System for assigning wavelengths in a wave division multiplexing based optical switch
10/15/2002US6466342 Optical transmission system and method using an optical carrier drop/add transceiver
10/15/2002US6466341 Add/drop filter for a multi-wavelength lightwave system
10/15/2002CA2219009C Server system for delivering signal and delivery method of signal therein
10/10/2002WO2002080453A2 Methods and apparatus for reconfigurable wdm lightpath rings
10/10/2002WO2002080429A2 Method and apparatus for optical data transmission at high data rates with enhanced capacity using polarization multiplexing
10/10/2002WO2002080428A2 Open ring architectures for optical wdm networks
10/10/2002WO2002080427A1 System and method for optical communication
10/10/2002WO2002080426A1 Wavelength division multiplexing power control system
10/10/2002WO2002080411A1 Polarization mode dispersion compensation in optical transmission media
10/10/2002WO2002080409A1 Systeme dwdm de survie Dwdm system survival
10/10/2002WO2002079839A1 Symbology for encoding energy stream
10/10/2002WO2002079838A1 Optical pulse chopper
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