Patents for H04J 14 - Optical multiplex systems (27,009) |
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10/04/2001 | WO2001073994A1 Device and method for optical add/drop multiplexing |
10/04/2001 | WO2001073982A1 Power controlling network element |
10/04/2001 | WO2001073980A1 Dwdm optical source wavelength control |
10/04/2001 | WO2001073979A1 Free-space optical wdm communication system |
10/04/2001 | WO2001073490A1 Optical switching system with power balancing |
10/04/2001 | WO2001073387A1 Optical module for the wavelength reference measurement in wdm systems |
10/04/2001 | US20010026565 Wavelength multiplexing system, wavelength adjusting system, and optical transmitter |
10/04/2001 | US20010026384 Optical network |
10/04/2001 | EP1139597A2 Optical network |
10/04/2001 | EP1139588A2 Optical transmission equipment and supervisory system thereof |
10/04/2001 | EP1139147A2 Polarization diversity for birefringent filters |
10/04/2001 | DE10015099A1 Optisches Netzwerk Optical network |
10/04/2001 | DE10010453A1 Anordnung zur Erzeugung eines Wellenlängen-Multiplexsignals mit geringen Kanalabständen Arrangement for generating a wavelength-multiplexed signal with small channel spacings |
10/04/2001 | CA2404473A1 Optical switching system with power balancing |
10/03/2001 | CN1315790A Comb method for dividing waves |
10/02/2001 | US6298186 Planar waveguide grating device and method having a passband with a flat-top and sharp-transitions |
10/02/2001 | US6298038 Transparent transport |
10/02/2001 | US6297896 Optical switch and optical communication system using the same |
10/02/2001 | US6297895 Wavelength division multiplexing system, wavelength division multiplexing transmission system and optical path cross connection system |
09/30/2001 | CA2341983A1 Wavelength multiplexing system, wavelength adjusting system, and optical transmitter |
09/30/2001 | CA2339577A1 Optical waveform for use in a dwdm optical network and systems for generating and processing same |
09/30/2001 | CA2337598A1 Apparatus for demultiplexing/multiplexing optical signals modulated with different data rates in wdm systems |
09/27/2001 | WO2001071958A1 A method of sending packet-formed information optically using different wavelengths for address and useful information |
09/27/2001 | WO2001071932A1 Transmission device |
09/27/2001 | US20010024545 Tunable filter with core mode blocker |
09/27/2001 | US20010024544 Optical transmission system and optical coupler/branching filter |
09/27/2001 | US20010024543 Mach-zehnder based filter demultiplexers and method |
09/27/2001 | US20010024542 Method and device for dropping optical channels in an optical transmission system |
09/27/2001 | US20010024540 Optical node system and switched connection method |
09/27/2001 | US20010024474 Apparatus and method for trellis encoding data for transmission in digital data transmission systems |
09/27/2001 | US20010024315 Opto-electronic frequency divider circuit and method of operating same |
09/27/2001 | US20010024306 Dispersion-compensating module, line switching apparatus and optical communication system |
09/27/2001 | US20010024304 Optical transmission system and method |
09/27/2001 | DE10013489A1 Optical network element has switching matrix between optical receivers and transmitters, another transmitter for digital optical signal with frame structure synchronized to reference clock |
09/27/2001 | DE10011068A1 Instability suppression device for optical wavelength multiplex ring network - uses first filter providing high attenuation for signals within critical instability range and second filer for combining optical signals to provide wavelength multiplex signal |
09/26/2001 | EP1137311A2 Optical network element |
09/26/2001 | EP1137307A2 Optical node system and connection method |
09/26/2001 | EP1137213A2 Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM converter and TDM/WDM converter |
09/26/2001 | EP1137208A1 Synchonous optical regenerator using intensity modulation and phase modulation with cross-Kerr effect |
09/26/2001 | EP1137204A1 Multiwavelength light source device employing annular optical delay circuit |
09/26/2001 | EP1137129A2 Optical gain equalizer and optical gain equalizing method |
09/26/2001 | EP1136857A2 Interleaver/deinterleavers causing little or no dispersion of optical signals |
09/26/2001 | EP1135707A2 Array and method for monitoring the performance of dwdm multiwavelenght systems |
09/26/2001 | CN2450830Y High isolation wavelength-division multiplexer |
09/26/2001 | CN2450829Y Dense wavelength division multiplexer |
09/26/2001 | CN1315093A WDM ring network |
09/25/2001 | US6295150 Wavelength division multiplexing device |
09/25/2001 | US6295149 System and method of telecommunication with wavelength division multiplexing comprising a demultiplexer |
09/25/2001 | US6295148 Optical network for transmitting two-way multicast signals |
09/25/2001 | US6295147 Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus |
09/22/2001 | CA2302008A1 Mach-zehnder based filter demultiplexers and method |
09/20/2001 | WO2001015368A3 Optical transmission systems, devices, and methods |
09/20/2001 | US20010022875 Optical cross-connect apparatus, and its signal monitoring method |
09/20/2001 | US20010022874 Optical gain equalizer and optical gain equalizing method |
09/20/2001 | US20010022684 Optical amplifier and wavelength multiplexing optical transmission system |
09/20/2001 | US20010022683 Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path cross reference to related application |
09/20/2001 | US20010022678 Synchronous optical regenerator using intensity modulation and phase modulation by the crossed kerr effect |
09/20/2001 | US20010022676 Optical wavelength multiplex transmission method and optical dispersion compensation method |
09/19/2001 | EP1134999A2 Ultra-highspeed packet transfer ring network |
09/19/2001 | EP1134925A2 Optical transmission system including performance optimization |
09/19/2001 | EP1134608A1 Drop node having an optical drop and continue function for an optical transmission network |
09/19/2001 | EP1133847A1 Wavelength division multiplexed optical communication system having reduced nonlinear effects |
09/19/2001 | EP1133708A1 Optical device having second arrayed waveguide grating for temperature control |
09/19/2001 | CN1313679A Optimizing optical transferring system |
09/18/2001 | US6292651 Communication system with multicarrier transport distribution network between a head end terminal and remote units |
09/18/2001 | US6292605 Reconfigurable optical filtering apparatus and a drop-and-insert multiplexer incorporating such apparatus |
09/18/2001 | US6292603 Dispersion compensation device |
09/18/2001 | US6292602 Optical signal transmission system and optical signal transmission device using the same |
09/18/2001 | US6292598 Optical transmission apparatuses, methods, and systems |
09/18/2001 | US6292464 Apparatus and method for self routing control mechanism for restoring fiber optic communications network connections |
09/18/2001 | US6292282 Time-wavelength multiple access optical communication systems and methods |
09/18/2001 | US6289699 Wavelength selective optical couplers |
09/14/2001 | CA2337558A1 Optical transmission system including performance optimization |
09/13/2001 | WO2001067660A1 Orthogonal wavelength division multiplexing for optical networks |
09/13/2001 | WO2001067659A1 Optical power managed network node for processing dense wavelength division multiplexed optical signals |
09/13/2001 | WO2001067657A1 Ocdma receiver including a non-linear filter |
09/13/2001 | WO2001067656A1 A protection switch in a single two-fiber optical channel shared protection ring |
09/13/2001 | WO2001067651A1 Optical fiber network having increased channel capacity |
09/13/2001 | WO2001067650A1 A communications network architecture |
09/13/2001 | WO2001067648A2 Method and apparatus for interleaved optical single sideband modulation |
09/13/2001 | WO2001067647A2 Method and apparatus for interleaved optical single sideband modulation |
09/13/2001 | WO2001067644A1 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels |
09/13/2001 | WO2001067643A2 Optical code generation and detection by means of fiber bragg gratings |
09/13/2001 | WO2001067642A2 Optical transmission system and method |
09/13/2001 | WO2001067159A2 Optical switching apparatus and method of assembly |
09/13/2001 | WO2001067143A1 Interleaving optical filter |
09/13/2001 | WO2001067138A2 Devices and methods for controlling protection switching in an optical channel shared protection ring |
09/13/2001 | WO2001067137A2 Compression-tuned grating-based optical add/drop multiplexer |
09/13/2001 | WO2001067136A2 A ring interconnection architecture |
09/13/2001 | WO2001013146A3 Fiber optic cable for increased transmission capacity and wavelength division multiplexing optical transmission system using the same |
09/13/2001 | US20010021288 Method, device, and system for waveform shaping of signal light |
09/13/2001 | US20010021207 Control method and apparatus for stabilizing optical wavelength |
09/13/2001 | US20010021052 Light branching apparatus and optical communication system using the same |
09/13/2001 | US20010021048 Regenerator for a wavelength division multiplex transmission system |
09/13/2001 | US20010021047 Optical transmission system and optical receiver |
09/13/2001 | US20010021046 Signal demultiplexing device and signal routing device in high speed transmission system |
09/13/2001 | US20010021044 Method for monitoring optical transmission path and optical fiber amplification repeater used in the method |
09/13/2001 | US20010020908 High-speed serial-to-parallel and analog-to-digital conversion |
09/13/2001 | DE10010237A1 Optical signal transmission method |
09/13/2001 | DE10007365A1 Optical transmission system has band selector in network node determining wavelength division multiplexing transmission band |