| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 03/09/2005 | CN1192533C Optical channel power control in DWDM optical signal transmission system and its automatic gain controller |
| 03/09/2005 | CN1192522C Power control in optical amplifier |
| 03/09/2005 | CN1192264C 光学系统 The optical system |
| 03/08/2005 | US6865344 Code-switched optical networks |
| 03/08/2005 | US6865024 Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers |
| 03/08/2005 | US6865016 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 03/08/2005 | US6865015 Method and transmission system for optimization of the transmission characteristics of an optical wavelength division multiplex system |
| 03/08/2005 | US6864968 Method of measuring wavelength dispersion amount and optical transmission system |
| 03/03/2005 | WO2005019971A2 Multi-wavelength, bi-directional optical multiplexer |
| 03/03/2005 | US20050047799 Method and apparatus to reduce second order distortion in optical communications |
| 03/03/2005 | US20050047795 Optical interconnect system and method of communications over an optical backplane |
| 03/03/2005 | US20050047791 Dispersion compensation control method and apparatus thereof and optical transmission method and system thereof |
| 03/03/2005 | US20050047790 Optical subscriber network system |
| 03/03/2005 | US20050047789 Bidirectional multichannel optical telecommunication system |
| 03/03/2005 | US20050047788 Optical pulse demultiplexer |
| 03/03/2005 | US20050047787 POP-to-POP optical wavelength protection in a communication system |
| 03/03/2005 | US20050047785 Bi-directional wavelength division multiplexing passive optical network and method for allocating wavelength band |
| 03/03/2005 | US20050047784 Apparatus and method for tracking optical wavelength in WDM passive optical network using loop-back light source |
| 03/03/2005 | US20050047727 Low noise multi-wavelength light source and wavelength division multiplexing system using same |
| 03/03/2005 | US20050047714 Branching unit with full or partial broadcast of wavelengths |
| 03/03/2005 | US20050047713 Process of optical WDM bus networking with DWDM expansion for the method of protected point to point, point to multipoint and broadcast connections |
| 03/03/2005 | US20050047712 Reconfigurable optical device for wavelength division multiplexing networks |
| 03/03/2005 | US20050047453 Multi-wavelength light source apparatus |
| 03/03/2005 | US20050047452 Optical pulse demultiplexer and method thereof |
| 03/03/2005 | US20050047427 Communication network using code division multiplexing technology |
| 03/03/2005 | US20050046942 Method and device for splitting and/or concentrating electromagnetic waves |
| 03/03/2005 | US20050046927 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 03/02/2005 | EP1511331A1 Controller for switching wavelength-division multiplex optical signal |
| 03/02/2005 | EP1511208A2 A branching unit with full or partial broadcast of wavelengths |
| 03/02/2005 | EP1511207A2 Method and apparatus to reduce second order distortion in optical communications |
| 03/02/2005 | EP1511202A1 Optical subscriber network system |
| 03/02/2005 | EP1511201A2 Optical fiber transmission lines with dispersion management, optical transmission cable, and method of making same |
| 03/02/2005 | EP1511194A2 Apparatus and method for tracking optical wavelengths in WDM passive optical network using loop-back light source |
| 03/02/2005 | EP1511133A1 Multi-wavelength light source apparatus |
| 03/02/2005 | EP1510842A1 Optical interconnect system and method of communications over an optical backplane |
| 03/02/2005 | EP1510044A1 Dynamic routing in packet-switching multi-layer communications networks |
| 03/02/2005 | EP1509794A1 Optical filtration device |
| 03/02/2005 | EP1430622B1 Improvements in or relating to signal transmission in an optical system |
| 03/02/2005 | CN1589586A Optical node with add-drop or cross-connect functionality |
| 03/02/2005 | CN1588828A Light relay station device for light transmission; system and its automatic fain regulating method |
| 03/02/2005 | CN1588827A Self adaptive channel reservation and searching method in light burst exchange |
| 03/02/2005 | CN1588826A Method for realizing light burst exchange connection control |
| 03/02/2005 | CN1588825A Light burst exchange network edge node structure and realizing method |
| 03/02/2005 | CN1588223A Double pump wide band optical fiber parameter amplifier |
| 03/02/2005 | CN1588220A Full light wave converter based on laser four wave mixing effect |
| 03/02/2005 | CN1588151A Multiple wave length simultaneously exciting erbium blended optical fiber laser working and room temperature |
| 03/02/2005 | CN1588145A Assembling type iso-film double optical fiber head and its producing method |
| 03/02/2005 | CN1588135A Back incidence type high density quartz reflection raster |
| 03/02/2005 | CN1191484C 40X40 wave length no blocking optical switch |
| 03/02/2005 | CN1191482C Optical passive device with optical gain function and based on array waveguide interference device |
| 03/01/2005 | US6862395 Attenuation devices |
| 03/01/2005 | US6862380 Transparent optical switch |
| 03/01/2005 | US6862303 Multiwavelength locking method and apparatus using acousto-optic tunable filter |
| 03/01/2005 | US6862133 Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification |
| 03/01/2005 | CA2344299C Control channel processor and switching mechanism |
| 03/01/2005 | CA2328748C Srs pilot tone interaction and higher order effects in optical performance monitoring |
| 02/26/2005 | CA2479328A1 Wavelength conversion element and method for using same |
| 02/26/2005 | CA2478357A1 Method and apparatus to reduce second order distortion in optical communications |
| 02/24/2005 | WO2005018159A1 Rate division multiple access (rdma) scheme |
| 02/24/2005 | WO2005018064A2 Generating sets of tailored laser pulses |
| 02/24/2005 | WO2005016586A2 Methods of link processing using lasers |
| 02/24/2005 | WO2004092776A3 Method and system for use in optical code division multiple access |
| 02/24/2005 | WO2003102634A3 Optical bypass method and architecture |
| 02/24/2005 | US20050041982 Optical transmission apparatuses, methods, and systems |
| 02/24/2005 | US20050041977 Method and system for reducing Raman gain tilt error |
| 02/24/2005 | US20050041976 Generating sets of tailored laser pulses |
| 02/24/2005 | US20050041975 Wavelength division multiplexing transmission system |
| 02/24/2005 | US20050041974 Modular multiplexing/demultiplexing units in optical transmission systems |
| 02/24/2005 | US20050041973 Optical component provided with demultiplexing function and wavelength dispersion compensator |
| 02/24/2005 | US20050041972 Passive optical network using error correction code |
| 02/24/2005 | US20050041971 Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same |
| 02/24/2005 | US20050041970 Optical packet buffering device and buffering method thereof |
| 02/24/2005 | US20050041968 Optical transmission system |
| 02/24/2005 | US20050041699 Wavelength division multiplex optical wavelength converter |
| 02/24/2005 | US20050041600 System and method for automated engineering of optical networks |
| 02/24/2005 | US20050041290 Optical interleaver, filter cell, and component design with reduced chromatic dispersion |
| 02/24/2005 | DE10333805A1 Verfahren zur Ermittlung eines Verbindungspfades und eines zugehörigen unbelegten Wellenlängenkanals Method for determining a communication path and an associated blank wavelength channel |
| 02/24/2005 | DE10333127A1 Retrieval of the clock signal from an optical data signal, e.g. in an optical time domain multiplex system, whereby the transmitted optical data signal is filtered in the frequency range around that of the clock frequency |
| 02/24/2005 | CA2535706A1 Generating sets of tailored laser pulses |
| 02/24/2005 | CA2535623A1 Methods of and laser systems for link processing using laser pulses with specially tailored power profiles |
| 02/23/2005 | EP1508989A2 Passive optical network using error correction code |
| 02/23/2005 | EP1508988A2 Channel identification in communications networks |
| 02/23/2005 | EP1508987A2 Wavelength division multiplexing transmission system |
| 02/23/2005 | EP1508826A2 Optical component provided with demultiplexing function and wavelength dispersion compensator |
| 02/23/2005 | EP1508216A2 Optical ring network with nodes and method |
| 02/23/2005 | EP1508215A1 Hitless tunable optical wavelength filters and optical systems using such filters |
| 02/23/2005 | EP1508214A2 Optical add/drop node and method |
| 02/23/2005 | EP1508208A1 Closed-loop control of tunable optical wavelength filters |
| 02/23/2005 | CN2681163Y Micro vanadium dioxide optical switch |
| 02/23/2005 | CN1586053A Physically scoped multicast in multi-access networks |
| 02/23/2005 | CN1584645A Optical component provided with demultiplexing function and wavelength dispersion compensator |
| 02/23/2005 | CN1190696C Au optical wavelength converter |
| 02/23/2005 | CN1190676C Optical circulator and its polarized light circulating device |
| 02/22/2005 | US6859623 Wavelength allocation scheme and WDM equipment |
| 02/22/2005 | US6859622 Predictive optimization of wavelength division multiplexed systems |
| 02/22/2005 | US6859576 Optical cross-connect system |
| 02/22/2005 | US6859317 Diffraction grating for wavelength division multiplexing/demultiplexing devices |
| 02/22/2005 | US6859308 Optical amplifier |
| 02/22/2005 | CA2317140C Multicarrier personal access communication system |
| 02/17/2005 | WO2005015944A1 Packet and optical routing equipment and method |