Patents for H04J 14 - Optical multiplex systems (27,009) |
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01/02/2003 | US20030002100 Wireless wavelength division multiplexed system |
01/02/2003 | US20030002098 System and method for measuring power of optical signals carried over a fiber optic link |
01/02/2003 | EP1271827A1 Wavelength-selective add/drop arrangement for optical communication systems |
01/02/2003 | EP1271826A2 Optical transmission system with bidirectional connection paths and method for setting at least one bidirectional connection path |
01/02/2003 | EP1271825A1 Method and system for multiplexed optical information transport |
01/02/2003 | EP1271811A1 Method and device for amplifying WDM signals using stimulated Brillouin process |
01/02/2003 | EP1271810A2 Method and device for shaping the waveform of an optical signal |
01/02/2003 | EP1271807A1 Optical vestigial sideband modulator |
01/02/2003 | EP1269672A1 Multiple input waveguide grating router for broadcast and multicast services |
01/02/2003 | EP1269671A1 Method and system for providing multiple classes of services in dense wavelength division multiplexing optical networks |
01/02/2003 | EP1269663A1 A communications network architecture |
01/02/2003 | EP1269662A1 Power controlling network element |
01/02/2003 | EP1269230A2 Method for altering the refractive index of optical fibers using stress |
01/01/2003 | CN2529461Y Optical separation multiplex apparatus |
01/01/2003 | CN1388669A Holographic Fresnel congested wavelength division multiplexer and its making method and apparatus |
01/01/2003 | CN1097905C Network system for communicating with plural channels node device and communication method |
12/31/2002 | US6501877 Wavelength router |
12/31/2002 | US6501872 Bragg grating assisted MMIMI-coupler for tunable add-drop multiplexing |
12/31/2002 | US6501866 Method and apparatus for cross-connecting optical transmission signals |
12/31/2002 | US6501774 Optical transmission apparatus for multiple wavelengths and optical transmission wavelength control method |
12/31/2002 | US6501575 Routing in a WDM system |
12/31/2002 | US6501574 Optical multiplex transmission apparatus and optical multiplex transmission method |
12/31/2002 | CA2235083C Transparent transport |
12/29/2002 | CA2384236A1 Wavelength-selective add/drop arrangement for optical communication systems |
12/28/2002 | CA2392123A1 Evolution of a telecommunications network from ring to mesh structure |
12/27/2002 | WO2002104064A2 Optical connection arrangements |
12/27/2002 | WO2002103948A1 Optical communication system |
12/27/2002 | WO2002103939A1 Optical network system and controller |
12/27/2002 | WO2002103935A1 Optical communication device and system |
12/27/2002 | WO2002103449A1 Monolithic integrated terahertz optical asymmetric demultiplexer |
12/27/2002 | WO2002103447A1 Wavelength selective optical device |
12/27/2002 | WO2002103421A1 Process to create artificial nerves for biomechanical systems using optical waveguide network |
12/27/2002 | WO2002103418A2 Integrated optical device |
12/27/2002 | WO2002084901A3 Method for controlling a laser-based 3r regenerator |
12/27/2002 | WO2002073855A3 Self-healing ring structure for the optical transmission of information by wavelength division multiplexing and corresponding add/drop-multiplexer |
12/27/2002 | WO2002071670A3 Method and system for handling optical signals |
12/27/2002 | WO2002067481A9 Widely tunable and integrated optical system and method |
12/27/2002 | WO2002001772A9 Optical wavelength-division multiplexing and demultiplexing by using a common optical bandpass filter |
12/26/2002 | US20020197000 Optical cross-connect switch using programmable multiplexers/demultiplexers |
12/26/2002 | US20020196808 Signaling for reserving a communications path |
12/26/2002 | US20020196549 Multi-pass configurations |
12/26/2002 | US20020196528 Optical amplifier modules |
12/26/2002 | US20020196527 Method for the amplification of wavelength division multiplex (WDM) signals in a WDM transmission system, as well as optical amplifier, optical amplifier system and WDM transmission system for it |
12/26/2002 | US20020196520 Programmable optical multiplexer/demultiplexer |
12/26/2002 | US20020196509 Light source for generating an output signal having spaced apart frequencies |
12/26/2002 | US20020196499 Method and system for multiplexed optical information transport |
12/26/2002 | US20020196498 Optical pulse addition device |
12/26/2002 | US20020196497 Optical time division multiplexing/demultiplexing system |
12/26/2002 | US20020196495 Device for adding and dropping optical signals |
12/26/2002 | US20020196494 Programmable optical add/drop multiplexer |
12/26/2002 | US20020196493 Tunable, multi-port optical add-drop multiplexer |
12/26/2002 | US20020196492 Method and apparatus for dynamic equalization in wavelength division multiplexing |
12/26/2002 | US20020196491 Passive optical network employing coarse wavelength division multiplexing and related methods |
12/26/2002 | US20020196490 Optical transmission systems, devices, and methods |
12/26/2002 | US20020196489 Wavelength division multiplexing communications network supervisory system |
12/26/2002 | US20020196430 Measuring optical signal power in an optical system |
12/25/2002 | CN1387336A Wide-range extenal cavity tunable laser device |
12/25/2002 | CN1387059A Wave division multiplexer based on more sub-rasters for flat-top etching and diffracting raster |
12/25/2002 | CA2382241A1 Method and system for multiplexed optical information transport |
12/24/2002 | US6498871 Wavelength stabilized light source |
12/24/2002 | US6498869 Devices for depolarizing polarized light |
12/24/2002 | US6498680 Compact tunable optical wavelength interleaver |
12/24/2002 | US6498670 Optical receiving apparatus and method |
12/24/2002 | US6498665 System for adding/dropping wavelength division multiplexed optical signals |
12/24/2002 | US6498664 Wavelength division multiplexing transmission device and method having waveform discriminating function, and wavelength division multiplexing transmission system |
12/21/2002 | CA2384234A1 Long haul transmission in a dispersion managed optical communication system |
12/19/2002 | WO2002101965A2 Routing and switching in a hybrid network |
12/19/2002 | WO2002101964A1 Multichannel wavelength monitoring apparatus |
12/19/2002 | WO2002101963A1 Communications network |
12/19/2002 | WO2002101451A1 Apparatus and method for processing light |
12/19/2002 | WO2001079898A9 Optical filter having a quartz substrate |
12/19/2002 | US20020191913 Apparatus and method for processing light |
12/19/2002 | US20020191906 Optical transmission apparatuses, methods, and systems |
12/19/2002 | US20020191904 Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter |
12/19/2002 | US20020191903 Method and transmission system for optimization of the transmission characteristics of an optical wavelength division multiplex system |
12/19/2002 | US20020191899 Optical connection arrangements |
12/19/2002 | US20020191538 Bi-directional line switched ring with uninterrupted service restoration |
12/19/2002 | US20020191276 Optical amplifier for amplifying multi-wavelength light |
12/19/2002 | US20020191262 Optical transmitter and optical modulator |
12/19/2002 | US20020191255 Method for synchronizing the phase of optical return-to-zero (rz) data signals |
12/19/2002 | US20020191249 Optical ADD DROP multiplexer |
12/19/2002 | US20020191247 Fast restoration in optical mesh network |
12/19/2002 | US20020191245 Virtual protection channel for fiber optic ring network |
12/19/2002 | US20020191244 Disjoint shared protection |
12/18/2002 | EP1267589A2 Optical node unit, wavelength multiplexing optical transmission system, and wavelength separating method |
12/18/2002 | EP1267587A2 Communications network |
12/18/2002 | EP1267510A2 Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter |
12/18/2002 | EP1267509A1 Method of organizing wavelength channels in a WDM network and optical hub, optical add/drop multiplexer and optical filter bank therefor |
12/18/2002 | EP1267504A2 Optical communication link |
12/18/2002 | EP1266473A1 Apparatus and method for wavelength selective switching |
12/18/2002 | EP1266472A1 A method of sending packet-formed information optically using different wavelengths for address and useful information |
12/18/2002 | EP1266471A1 Device and method for optical add/drop multiplexing |
12/18/2002 | EP1266198A1 Optical module for the wavelength reference measurement in wdm systems |
12/18/2002 | EP1119795B1 Optical filter, adjustable add-drop-continue module and circuit for bundled cross-connect functionality |
12/18/2002 | EP0917774B1 System with optical amplifier |
12/18/2002 | CN2527039Y All optical wavetength converter based on short coherence length semiconductor integrated light source |
12/18/2002 | CN1385720A Two-dimension optical switcvh matrix made by adopting double piezoelectric crystal chip driver |
12/17/2002 | US6496619 Method for gain equalization, and device and system for use in carrying out the method |
12/17/2002 | US6496611 Multichannel optical spectrum slicer and method of measuring modal birefringence and/or polarization mode dispersion of slicer itself |
12/17/2002 | US6496300 Optical amplifier |