Patents
Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
04/2005
04/06/2005CN1604514A System and method for optical transmission
04/06/2005CN1604507A Method for protecting subnetwork expansion in optical network
04/06/2005CN1604506A Self-characterizing and self-programming optical transmitter
04/06/2005CN1604504A System and method for optically labeled packet transmission
04/06/2005CN1604503A Method and apparatus for operating an optical receiver for low intensity optical communication in a high speed mode
04/06/2005CN1603873A Bidirectional light receiving-transmitting modular structure capable of raising optical fiber coupling efficiency
04/06/2005CN1196284C Single photon generator
04/06/2005CN1196283C Method and device for extracting timing signal
04/06/2005CN1196282C Optical transmission system and dispersion compensator
04/06/2005CN1196281C Optical repeater and method for automatically identifying optical signal type by same
04/06/2005CN1196280C Electrical insulation device with optocoupler for bidirectional connecting lines
04/05/2005US6877117 Optical signal receiver and method with decision threshold adjustment based on a relative percentage error indicator
04/05/2005US6876818 Method and system for transmitting signals with spectrally enriched optical pulses
04/05/2005US6876817 Method for routing optical packets using multiple wavelength labels, optical packet router using multiple wavelength labels, and optical packet network that uses multiple wavelength labels
04/05/2005US6876803 Optical transmission system
04/05/2005US6876781 Micro-nano scale hetrodyne wavelength division demultiplexing for microscopy/tomography having parallel data acquisition
04/05/2005US6876687 Current confinement structure for vertical cavity surface emitting laser
04/05/2005US6876489 All band amplifier
04/05/2005US6876488 Discrete amplification of an optical signal
04/05/2005US6876259 Fully integrated received signal strength indicator for a transimpedance amplifier
04/05/2005CA2207126C Optical fibre transmission systems
03/2005
03/31/2005WO2005029906A1 Method and apparatus for transmission control in an ethernet passive optical network
03/31/2005WO2005029734A1 Wavelength-maintaining optical signal regenerator
03/31/2005WO2005029733A1 Optical network terminator and optical network connection method using it
03/31/2005WO2005029140A2 Coherent optical detector and coherent communication system and method
03/31/2005WO2005029136A2 Optical transmission controller
03/31/2005WO2005029017A1 Photon detecting apparatus and photon detecting method
03/31/2005WO2004061483A3 Method and apparatus for maintaining optical alignment for free-space optical communication
03/31/2005US20050069333 Multicasting optical switch fabric and method of detection based on novel heterodyne receiver
03/31/2005US20050069332 Optical communication apparatus by using subcarrier multiple access and method thereof
03/31/2005US20050069331 Return-to-zero optical transmission device
03/31/2005US20050069330 System and method for optical transmission
03/31/2005US20050069329 System and method for optically labeled packet transmission
03/31/2005US20050069327 Optical transceiver over single communication link
03/31/2005US20050069326 Optical coupling device and method for bidirectional data communication over a common signal line
03/31/2005US20050069325 Airborne free-space-optical system utilizing three-tier, ultrafine steering
03/31/2005US20050069324 Free space optical (FSO) device providing remote control features and related methods
03/31/2005US20050069323 Modular free space optical (FSO) device and related methods
03/31/2005US20050069322 Free space optical (FSO) device providing power reduction features and related methods
03/31/2005US20050069320 Mode-locked optical amplifier as a source for a wdm-WDM hierarchy architecture
03/31/2005US20050069319 Passive optical network with optical fiber amplifier
03/31/2005US20050069316 Method of determining a spectal route for a given connection in an optical telecommunication network
03/31/2005US20050069315 Self-characterizing and self-programming optical transmitter
03/31/2005US20050069244 Flexible distributed wireless signal system and method
03/31/2005US20050069240 Photonic integrated device
03/31/2005US20050068887 High speed modulation of optical subcarriers
03/31/2005US20050068600 Signal converter for converting digital input signal to optical modulation signal
03/31/2005US20050068525 Polarization mitigation technique
03/31/2005US20050068209 Precoder and optical duo-binary transmission apparatus using the same
03/31/2005US20050067698 Optical semiconductor device
03/31/2005DE10338744A1 Verfahren zur Inbetriebnahme von Lasern in einem Netzwerk A method for starting lasers in a network
03/30/2005EP1519506A1 Wdm layer-based optical channel protecting device and the method thereof
03/30/2005EP1519502A1 Passive optical WDM network with individual channel amplification
03/30/2005EP1519501A2 Optical fiber for improved performance in S-, C- and L-bands
03/30/2005EP1519500A1 System and method for optically labeled packet transmission
03/30/2005EP1519499A1 System and method for generating multilevel coded optical signals
03/30/2005EP1518142A2 Electro-optical integrated transmitter chip for arbitrary quadrature modulation of optical signals
03/30/2005EP1299767A4 Acceleration-insensitive opto-electronic oscillators
03/30/2005CN2689604Y Single-fibre two-way transmit-receive module of CDMA optical fibre high-frequency amplifying station
03/30/2005CN2689260Y Fixer of two-dimensional optical transmit-receive modular set
03/30/2005CN1602598A Wavelength division multiplexing optical performance monitors
03/30/2005CN1602568A Optical amplifier with distributed evanescently-coupled pump
03/30/2005CN1602567A Optical amplifier with multiple wavelength pump
03/30/2005CN1602435A Single mode dispersion compensating optical fiber
03/30/2005CN1601982A Multiple business realizing method based on ethernet passive optical network
03/30/2005CN1601949A Dielectric-Layer type dense wavelength division multi plexer filter
03/30/2005CN1601936A Two-way optical transceiving module (Bi-Di TRX) using chip direct packing (COB) process
03/30/2005CN1601935A Passive optical network with optical fiber amplifier
03/30/2005CN1601934A Distributing topopology polymerization method of wave wavelength route optical network
03/30/2005CN1601933A Raman amplification repeater
03/30/2005CN1601932A Precoder and optical duo-binary transmission apparatus using the same
03/30/2005CN1601931A Drawing structure of optical fiber transceiving modular
03/30/2005CN1601930A Dynamic gain balance system and method of realizing same
03/30/2005CN1601929A Receiving circuit for free-space optical communication
03/30/2005CN1601928A Fixing structure of two-way light transceiving modular
03/30/2005CN1601927A Automatic tracking locking device of radio mic transmitting and receiving frequency
03/30/2005CN1601365A Optical fiber for improved performance in s-, c- and l-bands
03/30/2005CN1601313A Apparatus and methods for integrally packaging optoelectronic devices, IC chips and optical transmission lines
03/30/2005CN1601310A Array waveguide raster type comb filter
03/30/2005CN1195244C Multi-band rare-earth doped optical fibre amplifier
03/30/2005CN1195239C Method and device for optical amplification and system having the device
03/30/2005CN1195236C Hud of multimode optical fiber in reflection type
03/30/2005CN1195234C Method for preparing optical fiber grating with freely cutting any toe part as well as the system
03/29/2005US6873801 Optical transmitter and optical transmission system using electro absorption modulator
03/29/2005US6873800 Hot pluggable optical transceiver in a small form pluggable package
03/29/2005US6873799 Optical subassembly for optical communications
03/29/2005US6873798 Method and apparatus for optimizing the dispersion and dispersion slope for a dispersion map with slope-compensating optical fibers
03/29/2005US6873796 Node device and optical path setting method
03/29/2005US6873795 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light
03/29/2005US6873776 Waveguide fiber for dispersion and slope compensation
03/29/2005US6873767 Wavelength-multiplexing connector, optical transmission device, and optical communication system
03/29/2005US6873765 Dynamic gain equalizing filter
03/29/2005US6873758 Optical add-drop filter
03/29/2005US6873631 Integrated opto-electronic oscillators having optical resonators
03/29/2005US6873457 Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method
03/29/2005US6873456 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system
03/29/2005US6873455 Optical amplification apparatus utilizing raman amplification and controlling method thereof
03/29/2005US6873287 Signal processing arrangement
03/29/2005US6872007 Optical line-of-sight inter-board data transfer
03/24/2005WO2005027381A1 Electro-optical converter and bi-directional connecting device comprising said converter