223879 ⎘
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form; Signal power control in a multiwavelength system, e.g. gain equalisation Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
SYSTEMS AND METHODS TO REDUCE THE POWER CONSUMPTION OF AN OPTICAL FIBER AMPLIFIER
#2Optical transmission device
#3Control Method And Optical Fiber Amplifier
#4OPTICAL COMMUNICATION MODULE CAPABLE OF CONTROLLING OPTICAL POWER AND OPTICAL COMMUNICATION APPARATUS INCLUDING THE SAME
#5OPTICAL ADD/DROP MULTIPLEXER AND OPTICAL TRANSMISSION METHOD
#6Fast system optimization (FSO) with optimally placed recovery tones
#7Per-band fault signaling in a multi-band optical transmission system
#8Method and apparatus for optical power controls in optical networks
#9Optical transmission device and method for controlling optical transmission device
#10Optical wavelength multiplexing transmission apparatus and optical wavelength multiplexing transmission method
#11Proactive channel probing for wavelength switching in optical transmission systems
#12Optical control device and optical branching device
#13Signal light interruption detection device, optical amplifier, optical wavelength multiplex transmission device, and optical wavelength multiplex transmission system
#14Method and apparatus for modifying channels in an optical medium
#15Systems and methods for dynamic spectral shaping in optical communications
#16Data port power transfer
#17Optical transmission/reception device, optical communication system, and optical communication method
#18WDM comb source based optical link with improved optical amplification
#19Pump power modulation in a feed-forward control for suppressing power transients
#20Optical relay device, optical communication system, optical relay method, and storage medium
#21Method of changing operating mode of optical amplifier in an amplifier chain, optical apparatus and optical network
#22Optical transmission system, optical reception apparatus, and signal adjustment method
#23Optical transmitter and optical transmission method
#24Optical transmitter and optical transmission method
#25Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
#26Optical amplifier, wavelength multiplexing optical transmission system, and program
#27Optical transmission device and optical transmission method
#28Adaptive optical amplifier for WDM systems
#29Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
#30Wavelength division multiplexing transmission device
#31Multi-wavelength light amplifier
#32Optical amplifier and an optical amplification method
#33Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
#34Method, apparatus, and system for amplifying a burst optical signal
#35Optical amplifying device and optical amplifying method
#36Optical fiber amplifier with improved performance
#37Optical fiber amplifier comprising an embedded filter and a control method with improved feedforward control performance
#38Method and equipment for adjusting power amplification
#39METHOD FOR AMPLIFYING A BURST OPTICAL SIGNAL, BURST OPTICAL AMPLIFIER AND SYSTEM, AND COMMUNICATIONS SYSTEM
#40Reducing transients in an optical amplifier
#41WAVELENGTH DIVISION MULTIPLEX DEVICE, WAVELENGTH DIVISION MULTIPLEX TRANSMISSION SYSTEM, AND WAVELENGTH MULTIPLEX SIGNAL CONTROL METHOD
#42Apparatus and method for controlling gain profile of an optical amplifier
#43Multi-wavelength light amplifier
#44Channel power control in an optical link
#45Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
#46Optical amplifier
#47Channel Power Control in an Optical Network Node
#48APPARATUS AND METHOD FOR DETECTING SIGNAL BEAM
#49Method and device for providing and/or controlling an optical signal
#50Optical relay device and optical relay transmission system
#51Burst mode rare earth-doped fiber amplifier
#52Optical signal amplifier, method of optical amplification and optical network
#53Optical Amplifier with Optical Gain-Control
#54Regulatable optical amplifier, and method for regulating an optical amplifier
#55Optical amplifier
#56Control apparatus of optical amplifier
#57Optical receiver with threshold voltage compensation
#58Transient optical power suppressing apparatus, method, and network
#59Optical amplifier apparatus
#60Multi-wavelength light amplifier
#61Fast power transient supression in constant power-mode controlled optical amplifiers
#62Apparatus and method for flattening gain profile of an optical amplifier
#63Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
#64Optical amplifier transient control with gain error limits
#65APPARATUS AND METHOD OF OPTICAL COMPENSATION FOR SUBMARINE OPTICAL CABLE
#66Raman pump power control for gain flattening
#67Transient optical power suppressing apparatus, method, and network
#68Fast dynamic gain control in a bidirectionally-pumped Raman fiber amplifier
#69Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system
#70Method and apparatus for restoration of optical ring network operating conditions after a fault is repaired
#71Optimised multiplexer/demultiplexer optical structure
#72Dynamic raman tilt compensation
#73Positive optical amplifier power transient suppression
#74Method and Apparatus for Controlling an Optical Amplifier for Use in a Passive Optical Network
#75Wavelength division multiplex optical ring network
#76Optical transmission device
#77Optical amplifying method, optical amplifying apparatus, and optical amplified transmission system using the apparatus
#78Method and system for optical transmission signal level configuration
#79Compensation of gain variations in a multistage optical amplifier
#80Optical amplifier
#81Fast dynamic gain control in an optical fiber amplifier
#82Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control
#83Method as a pre-condition for a gain control, optical access network, central station and terminal
#84Optical Add/Drop Amplification Device
#85Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
#86Method for amplifying a time-varying optical signal and optical amplification unit
#87MULTI-WAVELENGTH LIGHT AMPLIFIER
#88Optical communication apparatus
#89Optical amplification unit with span loss tilt compensation, fiber optical transmission system comprising the same, and corresponding methods
#90Optical amplifier
#91Fast dynamic gain control in cascaded Raman fiber amplifiers
#92Fast dynamic gain control in cascaded Raman fiber amplifiers
#93Fast dynamic gain control in a bidirectionally-pumped Raman fiber amplifier
#94Fast dynamic gain control in cascaded Raman fiber amplifiers
#95Fast dynamic gain control in cascaded Raman fiber amplifiers
#96Method for controlling the pump power of an optical amplifier
#97Method and apparatus for automatic shut-down and start-up of optical amplifiers in optical networks
#98Optical transmission systems and amplifier control apparatuses and methods
#99Optical transmission device for controlling optical level of transmission signal in optical transmission system
#100Controlling apparatus for optical amplifier and controlling method thereof
#101Optical amplifier
#102Fast dynamic gain control in an optical fiber amplifier
#103Optical amplification apparatus having function of flattening channel output spectrum
#104Optical transmission device equipped with pluggable variable optical attenuator
#105Automated optical link power control
#106Optical amplification system
#107Raman, pump power control for gain flattening
#108Optical transmission apparatus, continuity testing method therein, and optical transmission system
#109Output stage for carrying out WDM message transmission and methods for exchanging full light sources in an output stage of this type
#110Optical transmission apparatus
#111Optical transmission apparatus
#112Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system
#113Fast dynamic gain control in an optical fiber amplifier
#114Fast dynamic gain control in an optical fiber amplifier
#115Integrated wired and wireless WDM PON apparatus using mode-locked light source
#116Wavelength division multiplexing-passive optical network
#117Fiber optical system with Raman tilt control
#118Optical amplifier
#119Optical amplifier having a constant gain profile
#120Optical amplifier
#121Optical signal amplification device
#122Control device and control method of optical amplifier
#123System and method for spectral loading an optical transmission system
#124Wideband optical module and PON using the same
#125Transient-based channel growth for optical transmission systems
#126Amplification method and optical amplifier for wavelength division multiplexed signal light
#127Transient control in optical transmission systems
#128Method and system for wavelength division multiplexed optical signal transmission and optical repeater
#129Optical receiver including a system and method of controlling gain of an optical amplifier
#130Raman amplifier
#131Optical transmission apparatus and optical transmission system
#132Wavelength division-multiplex system
#133Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network
#134Optical receiver and optical transmission apparatus
#135Optical amplification device
#136Method for per-channnel power control in a DWDM network by means of an algorithm for adjusting the power of a dummy signal and the input power of an optical amplifier via channel-average Q-factor measurement
#137Characteristic monitoring method of pumping light source for optical amplification and optical amplifier
#138Transmission system and method for equalization of channels in the system
#139Method and an apparatus for signal transmission
#140Controlling apparatus for optical amplifier and controlling method thereof
#141Long-wavelength-band gain-controlled optical amplifier
#142Raman amplifier with gain control
#143Optical communication system having dynamic gain equalization
#144Wavelength division multiplexed optical amplifier
#145Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
#146Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same
#147Optical transmission system and amplifier control apparatuses and methods
#148Method and apparatus providing transient control in optical add-drop nodes