| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 02/06/2002 | EP1177650A1 Receiver and method for optically transmitting information |
| 02/06/2002 | EP1177649A2 Rf return optical transmission |
| 02/06/2002 | CN1078989C Optical wavelelngth multi plexing and demultiplexing device and optical transmission system using same |
| 02/05/2002 | US6345137 Wavelength division multiplex optical star coupler, communication station, and optical transmission system |
| 02/05/2002 | US6345136 Tuneable add/drop multiplexer |
| 02/05/2002 | US6344914 Gain equalizer which includes a plurality of optical filters for equalizing the gain of an optical amplifier |
| 02/05/2002 | US6344913 Optical clock division |
| 02/05/2002 | US6344912 Hybrid and scalable opto-electronic processing in a wavelength-division multiplexed system |
| 02/03/2002 | CA2354752A1 Temperature insensitive mach-zehnder interferometers and devices |
| 02/03/2002 | CA2315006A1 Temperature insensitive mach-zehnder interferometer |
| 02/03/2002 | CA2314997A1 Temperature insensitive fiber based mach-zehnder interferometer filter devices |
| 02/01/2002 | CA2354361A1 Virtual waveplate and optical channel interleaver formed therewith |
| 01/31/2002 | WO2002009336A1 Optical switching system |
| 01/31/2002 | WO2002009335A1 Optical routing switch using symmetric liquid crystal cells |
| 01/31/2002 | WO2002009323A2 System and method for improving optical signal-to-noise ratio measurement range of a monitoring device |
| 01/31/2002 | WO2002009299A2 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system |
| 01/31/2002 | WO2002008815A1 Optical routing/switching based on control of waveguide-ring resonator coupling |
| 01/31/2002 | WO2002008813A1 Electrically operated spherical switches for optical networks |
| 01/31/2002 | WO2001050664A3 Method for synchronising the phase of optical return-to-zero (rz) data signals |
| 01/31/2002 | US20020012493 Channel gain control for an optical communications system utilizing frequency division multiplexing |
| 01/31/2002 | US20020012492 Optical signal processing method and optical signal processing apparatus |
| 01/31/2002 | US20020012421 Communication system with multicarrier telephony transport |
| 01/31/2002 | US20020012162 Optical transmission path having sections which overcompensate for dispersion occurring in the sections |
| 01/31/2002 | US20020012150 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
| 01/31/2002 | US20020012146 Synchronizing nodes in an optical communications system utilizing frequency division multiplexing |
| 01/31/2002 | US20020012144 Scalable optical demultiplexing arrangement for wide band dense wavelength division multiplexed systems |
| 01/31/2002 | US20020012142 System and method for determining wavelength dependent information in an optical communication system |
| 01/31/2002 | US20020012141 Virtual concatenation of optical channels in WDM networks |
| 01/31/2002 | US20020012139 Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
| 01/31/2002 | DE10035086A1 Empfänger und Verfahren für eine optische Informationsübertragung Receiver and method for an optical information transmission |
| 01/30/2002 | EP1176751A1 Synchronizer for RZ-WDM signals and method for synchronisation |
| 01/30/2002 | EP1176747A1 Method of controlling the power of incoming wavelengths added to a modulated optical signal |
| 01/30/2002 | EP1176745A2 Virtual concatenation of optical channels in WDM networks |
| 01/30/2002 | EP1175743A1 Intrinsic securing of fibre optic communication links |
| 01/30/2002 | CN1333960A System for dealing with faults in an optical link |
| 01/30/2002 | CN1078784C Wavelength-division multiplexing telecommunication system and method providing controlled separation of output channels |
| 01/29/2002 | US6343169 Ultra-dense wavelength division multiplexing/demultiplexing device |
| 01/29/2002 | US6343165 Optical add drop multiplexer |
| 01/29/2002 | US6342968 Frequency tuning of optical devices |
| 01/29/2002 | US6342966 Crosstalk suppression in a multipath optical amplifier |
| 01/29/2002 | US6342961 Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems |
| 01/29/2002 | US6342959 Transient suppression in an optical wavelength division multiplexed network |
| 01/29/2002 | US6342958 Wavelength division multiplexed transmission system and transmitting method using the same |
| 01/28/2002 | CA2353755A1 Virtual concatenation of optical channels in wdm networks |
| 01/26/2002 | CA2353732A1 Optical multiplexing/demultiplexing module |
| 01/24/2002 | WO2002007360A1 Receiver and method for carrying out an optical information transmission |
| 01/24/2002 | WO2002007359A1 Reconfigurable multichannel transmitter for dense wavelength division multiplexing (dwdm) optical communication |
| 01/24/2002 | WO2002007348A1 Hybrid optical shared protection ring |
| 01/24/2002 | WO2002007347A2 Laser safety method for duplex open loop parallel optical link |
| 01/24/2002 | WO2001078281A3 An information compressor for fiber-optic lines |
| 01/24/2002 | WO2001052451A3 System and method for measuring in-band cross-talk in optical communication systems |
| 01/24/2002 | US20020009266 Low loss fiber optic jumper with electronic presence detection |
| 01/24/2002 | US20020009104 Method of stabilizing the wavelength of lasers and a wavelength monitor |
| 01/24/2002 | US20020008890 Demultiplexer control system |
| 01/23/2002 | EP1175033A2 Wavelength division multiplexing transmission system and transmitter and receiver therefor |
| 01/23/2002 | EP1175029A1 Optical amplifying device, compound optical amplifying device and optical communication system |
| 01/23/2002 | EP1174743A2 N X M optical switch |
| 01/23/2002 | EP1173945A1 Increased capacity bidirectional dwdm network architecture with frequency stacking system |
| 01/23/2002 | EP1173938A2 Assembly for monitoring the performance of d-wdm multi-frequency systems |
| 01/23/2002 | CN1332547A Time interval connection method applied for passive optical network transmission system |
| 01/23/2002 | CN1332370A Device for detecting Raman gain in optical transmission system |
| 01/22/2002 | US6341033 Performance gain flattened erbium-doped fiber amplifiers |
| 01/22/2002 | US6341025 WDM optical communication systems with wavelength-stabilized optical selectors |
| 01/22/2002 | US6341024 Channel monitoring apparatus in a wavelength division multiplexing system |
| 01/22/2002 | US6341023 Multiple level modulation in a wavelength-division multiplexing (WDM) systems |
| 01/22/2002 | US6341022 Optical fiber transmission system using soliton signals with wavelength division multiplexing |
| 01/22/2002 | US6341021 Dynamic power equalization of many wavelength-division-multiplexed channels in a fiber-optic system |
| 01/22/2002 | CA2267141C Dynamically reconfigurable optical add-drop multiplexers for wdm optical communication systems |
| 01/21/2002 | CA2353292A1 Wavelength division multiplexing transmission system and transmitter and receiver therefor |
| 01/17/2002 | WO2002005439A2 Bi-directional wavelength switched ring optical protection switching wavelength assignment algorithm |
| 01/17/2002 | WO2002005438A2 Bi-directional wavelength switched ring optical protection switching protocol |
| 01/17/2002 | WO2002004989A2 A system and method for increasing channel capacity of fiber-optic communication networks |
| 01/17/2002 | WO2001026263A3 Through-timing of data transmitted across an optical communications system utilizing frequency division multiplexing |
| 01/17/2002 | US20020006250 Multistage optical demultiplexer and multistage optical multiplexer |
| 01/17/2002 | US20020006249 Bragg grating assisted mmimi-coupler for tunable add-drop multiplexing |
| 01/17/2002 | US20020005975 Optical transmitter and optical transmission system |
| 01/17/2002 | US20020005968 Wavelength division multiplex transmission system and communication device |
| 01/17/2002 | US20020005967 Wavelength division multiplex transmission system |
| 01/17/2002 | US20020005948 Method and apparatus for analyzing wavelength-division multiplexed signal light |
| 01/17/2002 | CA2414369A1 A system and method for increasing channel capacity of fiber-optic communication networks |
| 01/15/2002 | US6339663 Bidirectional WDM optical communication system with bidirectional optical service channels |
| 01/15/2002 | US6339662 Wavelength stabilized planar waveguide optical devices incorporating a dispersive element |
| 01/15/2002 | US6339495 Optical amplifier with power dependent feedback |
| 01/15/2002 | US6339488 Large scale communications network having a fully meshed optical core transport network |
| 01/15/2002 | US6339487 Bi-directional optical transmission system |
| 01/15/2002 | CA2285283C N x m optical wavelength routing switch |
| 01/15/2002 | CA2222666C Optical sampling by modulating a pulse train |
| 01/15/2002 | CA2190859C Optical telecommunications network |
| 01/10/2002 | WO2002003587A2 Tunable wavelength add/drop multiplexer based on integrated optic devices |
| 01/10/2002 | WO2002003576A2 Method for determining optimum pre-compensation in an optical system |
| 01/10/2002 | WO2002003575A1 Optical fiber raman amplifier and optical fiber communication system comprising at least one such amplifier |
| 01/10/2002 | WO2002003574A1 Method for wavelength switch network restoration |
| 01/10/2002 | WO2002003123A2 Optical tapped delay line |
| 01/10/2002 | WO2002003107A2 Improved shortest path first restoration routing in a fiberoptic network |
| 01/10/2002 | WO2001067137A3 Compression-tuned grating-based optical add/drop multiplexer |
| 01/10/2002 | WO2001067136A9 A ring interconnection architecture |
| 01/10/2002 | WO2001019030A3 Asymmetric wdm packet-switched router architecture and method for generating same |
| 01/10/2002 | WO2000072490A8 Apparatus and methods for maintaining balanced communication channels with increasing service demands |
| 01/10/2002 | US20020003915 Acousto-optic variable attenuator with active cancellation of back reflections |
| 01/10/2002 | US20020003658 Tunable dynamic gain flattening filter using polarization delays |