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

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)
10/2004
10/26/2004	US6810046 Method of communicating data in communication systems
10/26/2004	US6809858 Optical transmission systems and optical amplifiers for use therein
10/26/2004	US6809857 Optical preamplifier with one amplification unit
10/26/2004	US6809849 Control apparatus and control method for an optical method
10/26/2004	US6809846 Optical switch and optical network
10/26/2004	US6808287 Method and apparatus for a pulsed L.E.D. illumination source
10/26/2004	CA2351268C Raman amplifier with gain enhancement from optical filtering
10/26/2004	CA2322685C Apparatus and method for improved connectivity in wireless optical communication systems
10/26/2004	CA2297716C Automatic gain control circuit and optical receiver
10/24/2004	CA2461310A1 Method and apparatus utilizing tunable differential group delay
10/21/2004	WO2004091123A1 Optical communication system having optical amplification function
10/21/2004	WO2004091122A1 Optical device, especially for the suppression of a rayleigh double backscattered noise and system comprising said device
10/21/2004	WO2004091121A1 Optical amplifier and optical communication system
10/21/2004	WO2004042799A3 Age compensation in optoelectronic modules with integrated temperature control
10/21/2004	US20040209578 EMI shield for reducing clock jitter of a transceiver
10/21/2004	US20040208652 Optical receiver
10/21/2004	US20040208651 Optical signal receiver
10/21/2004	US20040208650 Parallel optical module and information processing apparatus
10/21/2004	US20040208649 Modulation phase shift to compensate for optical passband shift
10/21/2004	US20040208648 Method and apparatus for optimization of dispersion-managed return-to-zero transmission by employing optical pulses having variable widths
10/21/2004	US20040208647 System and method of optical transmission
10/21/2004	US20040208646 System and method for multi-level phase modulated communication
10/21/2004	US20040208645 Method and apparatus for optical transmission of wavelength-encoded modulation formats
10/21/2004	US20040208644 Sub-carrier generation for optical communication
10/21/2004	US20040208643 Coherent optical receivers
10/21/2004	US20040208642 Analog modulation of optical signals
10/21/2004	US20040208641 Method and system for encoding optical communication information during automatic laser shutdown restart sequence
10/21/2004	US20040208639 System and method for parallel angle multiplexing
10/21/2004	US20040208638 Communication system using entangled photons
10/21/2004	US20040208637 Multi-channel optical transmitter incorporating a tunable optical signal source and method for transmitting a multi-channel optical signal
10/21/2004	US20040208636 Phase tracking multichannel link
10/21/2004	US20040208635 Correcting misalignment between data and a carrier signal in transmitters
10/21/2004	US20040208634 Optical signal multiplexer/demultiplexer employing pseudorandom mode modulation
10/21/2004	US20040208630 Method of sampling local and remote feedback in an optical wireless link
10/21/2004	US20040208629 Adjustable coverage infrared transmission system
10/21/2004	US20040208628 Generating of high rate modulated pulse streams
10/21/2004	US20040208627 Optical signal transmission method
10/21/2004	US20040208626 Coherent equalization of optical signals
10/21/2004	US20040208623 Unequal pulse spacer
10/21/2004	US20040208622 Method and apparatus for signal conditioning of optical signals for fiber-optic transmission
10/21/2004	US20040208621 Higher-order PMD mitigation based on optical signal filtering
10/21/2004	US20040208620 Optical fiber communication systems having simultaneous compensation of polarization mode dispersion and chromatic dispersion
10/21/2004	US20040208619 Re-Configurable dispersion compensation module (RDCM)
10/21/2004	US20040208618 Broadband control of polarization mode dispersion
10/21/2004	US20040208617 Method and apparatus for extending optical communication
10/21/2004	US20040208616 System for acquiring and maintaining reliable optical wireless links
10/21/2004	US20040208615 Clock recovery system and method
10/21/2004	US20040208614 Optical communications systems, devices, and methods
10/21/2004	US20040208613 System and method for improved coherent pulsed communication system having spectrally shaped pulses
10/21/2004	US20040208612 Waveguide fiber for noise suppression
10/21/2004	US20040208611 Method of preventing reflections in an optical wireless link
10/21/2004	US20040208610 Optical transmission using all-optical regeneration and dispersion techniques
10/21/2004	US20040208609 Nonlinear device comprising a spectrally broadening fiber
10/21/2004	US20040208608 Dispersion compensation architecture for switch-ready optical networks
10/21/2004	US20040208607 Chromatic dispersion compensation system and method
10/21/2004	US20040208606 Dispersion discrimination for wideband optical signals
10/21/2004	US20040208605 Method and apparatus for chromatic dispersion compensation
10/21/2004	US20040208604 Polarization mode dispersion compensator for optical fiber communication systems
10/21/2004	US20040208603 Mobile infrared communication system
10/21/2004	US20040208602 Free space optical communications link tolerant of atmospheric interference
10/21/2004	US20040208601 Systems, methods and apparatus for bi-directional optical transceivers
10/21/2004	US20040208600 Optical transceiver
10/21/2004	US20040208599 Communications system
10/21/2004	US20040208598 Optical wireless transceiver
10/21/2004	US20040208597 Free-Space optical transceiver link
10/21/2004	US20040208596 Steerable free space optical interconnect apparatus
10/21/2004	US20040208595 Free space communication system with common optics and fast, adaptive tracking
10/21/2004	US20040208593 Optical amplifiers in a free space laser communication system
10/21/2004	US20040208591 Hybrid wireless optical and radio frequency communication link
10/21/2004	US20040208590 Fiber-optic interconnect arrangement for providing lightning-protection coupling of baseband processor to radio frequency transceiver
10/21/2004	US20040208587 Method of optical network routing
10/21/2004	US20040208586 System and method for amplifying signals in an optical network
10/21/2004	US20040208585 Systems and methods for minimizing signal power and providing reduced Raman pump depletion for WDM optical system
10/21/2004	US20040208583 Single sideband dense wavelength division multiplexed optical transmission scheme
10/21/2004	US20040208582 Wavelength division multiplexing receiver for wavelength tracking
10/21/2004	US20040208577 Methods for in-service wavelength upgrade and system performance optimization in WDM optical networks
10/21/2004	US20040208576 Passive add/drop amplifier for optical networks and method
10/21/2004	US20040208573 Interconnecting nodes in an optical communication system
10/21/2004	US20040208572 WDM optical transmission system with passive hub
10/21/2004	US20040208571 All optical cross routing using decoding systems for optical encoded data symbols
10/21/2004	US20040208569 System adopting wavelength division multiplexing and method of operating the system
10/21/2004	US20040208565 Decorrelation of WDM signals
10/21/2004	US20040208564 Spectral dispersion compensation in optical code division multiple access (OCDMA) communication system
10/21/2004	US20040208563 Ranging in the physical layer
10/21/2004	US20040208561 Method and system for control signaling in an open ring optical network
10/21/2004	US20040208560 System and method for assigning traffic to wavelengths in optical networks
10/21/2004	US20040208559 Wavelength and path assignment in wavelength division multiplexed ring networks
10/21/2004	US20040208558 Wavelength routing on an optical metro network subtended off an agile core optical network
10/21/2004	US20040208553 Method and apparatus for optical layer network management
10/21/2004	US20040208547 QoS based protection of mesh-based intelligent optical networks
10/21/2004	US20040208541 Monitoring system for an optical transmitter
10/21/2004	US20040208540 Node and wavelength division multiplexing ring network
10/21/2004	US20040208537 Passive optical network employing code division multiple access
10/21/2004	US20040208536 Secure interferometric communications in free space
10/21/2004	US20040208534 Method of WDM channel tagging and monitoring, and apparatus
10/21/2004	US20040208533 Synchronization of pulse and data sources
10/21/2004	US20040208532 Optical transponder with add/drop operation function of optical channels
10/21/2004	US20040208531 Coordinated control of dynamic gain equalization in a wavelength division multiplexed optical system
10/21/2004	US20040208530 Method of reducing control packet transmission rate for an optical wireless link
10/21/2004	US20040208529 Method of packet corruption to halt propagation in an optical wireless link

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