Inventor · disambiguated record
Lutz Rapp
Also filed as: RAPP LUTZ
41 granted patents·10 pending applications·124 citations·filing 1983–2025
96Inventor score
Files withXIEON NETWORKS SARL16SIEMENS AG12RAPP LUTZ8NOKIA SIEMENS NETWORKS GMBH4ADTRAN NETWORKS SE2
Top patents by PatentIndex Score
51 records- 0188US9712242B2Optical network and optical network elementXIEON NETWORKS SARL·Filed 2013·Granted Jul 18, 2017·8 cites·6 claims
- 0284US10753824B2Detection of gainers and exaggerated losses in unidirectional OTDR tracesXIEON NETWORKS SÀRL·Filed 2017·Granted Aug 25, 2020·4 cites·24 claims
- 0382US7379234B2Quality monitoring of an optical fiber amplifierSIEMENS AG·Filed 2005·Granted May 27, 2008·7 cites·23 claims
- 0479US9841348B2Fiber integrity monitoringXIEON NETWORKS SARL·Filed 2013·Granted Dec 12, 2017·4 cites·20 claims
- 0577US7535632B2Compensation of gain variations in a multistage optical amplifierNOKIA SIEMENS NETWORKS GMBH·Filed 2005·Granted May 19, 2009·5 cites·20 claims
- 0676US8644707B2Bidirectional optical amplifier arrangementGIANORDOLI STEFAN·Filed 2007·Granted Feb 4, 2014·8 cites·14 claims
- 0776US8189258B2Optical amplifier configurationRAPP LUTZ·Filed 2009·Granted May 29, 2012·7 cites·8 claims
- 0875US10560189B2Optical network and optical network elementXIEON NETWORKS SARL·Filed 2017·Granted Feb 11, 2020·2 cites·16 claims
- 0974US8089690B2Multistage fiber amplifier and method for adapting a pump power of a multistage fiber amplifierRAPP LUTZ·Filed 2006·Granted Jan 3, 2012·4 cites·10 claims
- 1072US6728027B2Bidirectional optical amplifierSIEMENS AG·Filed 2001·Granted Apr 27, 2004·13 cites·7 claims
- 1170US11287352B2OTDR with increased precision and reduced dead zone using superposition of pulses with varying clock signal delayXIEON NETWORKS SARL·Filed 2017·Granted Mar 29, 2022·2 cites·27 claims
- 1269US7596320B2Preemphasis of an optical wavelength multiplex signalSIEMENS AG·Filed 2005·Granted Sep 29, 2009·4 cites·16 claims
- 1369US2025023317A1Broadband Optical AmplifierADTRAN NETWORKS SE·Filed 2024·Application pending·0 cites
- 1468US6583923B1Optical fiber amplifierSIEMENS AG·Filed 2000·Granted Jun 24, 2003·10 cites·13 claims
- 1566US2023411924A1Method for Monitoring a Pump Laser of at Least One Optical Amplifier in an Optical Transmission Link in OperationADVA OPTICAL NETWORKING SE·Filed 2023·Application pending·0 cites
- 1662US8908265B2Optical fiber amplifier comprising an embedded filter and a control method with improved feedforward control performanceRAPP LUTZ·Filed 2009·Granted Dec 9, 2014·2 cites·14 claims
- 1761US8493652B2Method for controlling an erbium doped fiber amplifier (EDFA) and amplifier arrangementRAPP LUTZ·Filed 2009·Granted Jul 23, 2013·2 cites·12 claims
- 1859US9544055B2Optical network elementRAPP LUTZ·Filed 2012·Granted Jan 10, 2017·1 cites·11 claims
- 1959US6798565B2Method and arrangement for compensating for cross phase modulationSIEMENS AG·Filed 2001·Granted Sep 28, 2004·5 cites·11 claims
- 2058US7627248B2Method for pre-emphasis of optical signals in a transmission system comprising add-drop-modulesNOKIA SIEMENS NETWORKS GMBH·Filed 2004·Granted Dec 1, 2009·5 cites·22 claims
- 2157US12155415B2Method for reducing the impact of transient effects in an optical networkADVA OPTICAL NETWORKING SE·Filed 2022·Granted Nov 26, 2024·0 cites·15 claims
- 2256US7088496B2Method for controlling a pump unit while optically amplifying a transmitted wavelength multiplex (WDM) signalSIEMENS AG·Filed 2002·Granted Aug 8, 2006·4 cites·5 claims
- 2354US11581945B2Compensation of signal distoration induced by a periodic optical copropagating optical signalXIEON NETWORKS SARL·Filed 2020·Granted Feb 14, 2023·0 cites·15 claims
- 2452US7295782B2Control method and optical data transmission path for compensating changes in SRS-induced power exchangeSIEMENS AG·Filed 2001·Granted Nov 13, 2007·4 cites·16 claims
- 2551US10775318B2System and method for detecting a level of dirtiness of a filter mat of an airflow cooling system for telecommunications equipmentXIEON NETWORKS SARL·Filed 2017·Granted Sep 15, 2020·0 cites·24 claims
- 2651US9762019B2Operating a laser diode in an optical networkXIEON NETWORKS SARL·Filed 2014·Granted Sep 12, 2017·0 cites·20 claims
- 2751US2025266904A1Method for Fault Localization in an Optical NetworkADTRAN NETWORKS SE·Filed 2025·Application pending·0 cites
- 2850US8817366B2Optical fiber amplifier with improved transient performanceRAPP LUTZ·Filed 2009·Granted Aug 26, 2014·0 cites·13 claims
- 2949US7177074B2Circuit and method for safety shutdown of an optical amplifierSIEMENS AG·Filed 2002·Granted Feb 13, 2007·1 cites·11 claims
- 3048US7453627B2Method for controlling the pump power of an optical amplifierSIEMENS AG·Filed 2004·Granted Nov 18, 2008·1 cites·7 claims
- 3148US4540907AAlternator-rectifier unit with economical connections to wires embedded in a circuit boardBOSCH GMBH ROBERT·Filed 1983·Granted Sep 10, 1985·18 cites·9 claims
- 3247US10177522B2Pump power modulation in a feed-forward control for suppressing power transientsXIEON NETWORKS SARL·Filed 2015·Granted Jan 8, 2019·0 cites·15 claims
- 3347US7460784B2Method for preemphasising an optical multiplex signalNOKIA SIEMENS NETWORKS GMBH·Filed 2004·Granted Dec 2, 2008·2 cites·19 claims
- 3447US7197210B2Method and device for determining and compensating for the tilting of the spectrum in an optical fiber of a data transmission pathSIEMENS AG·Filed 2001·Granted Mar 27, 2007·1 cites·8 claims
- 3544US10142026B2Raman pumping arrangement with improved OSC sensitivityXIEON NETWORKS SARL·Filed 2017·Granted Nov 27, 2018·0 cites·15 claims
- 3644US9054495B2Optical fiber amplifier with improved performanceRAPP LUTZ·Filed 2010·Granted Jun 9, 2015·0 cites·20 claims
- 3742US11558113B2Automatic measurement of the noise performance of a transponderXIEON NETWORKS SARL·Filed 2019·Granted Jan 17, 2023·0 cites·34 claims
- 3842US2009154931A1Arrangement for compensating raman scatteringSIEMENS AG·Filed 2004·Application pending·0 cites
- 3941US2006051087A1Method for determining the signal-to-noise ratio of an optical signalSIEMENS AG·Filed 2003·Application pending·0 cites
- 4041US2010303473A1Receiver and Method for Operating Said ReceiverNOKIA SIEMENS NETWORKS OY·Filed 2008·Application pending·0 cites
- 4140US2020336208A1System and method for determining skewXIEON NETWORKS SARL·Filed 2018·Application pending·0 cites
- 4239US8824891B2Method and apparatus for preventing signal interference in a passive optical networkRAPP LUTZ·Filed 2010·Granted Sep 2, 2014·0 cites·17 claims
- 4339US2021184775A1A method and system for determining a model representation for an optical transmitterXIEON NETWORKS SARL·Filed 2018·Application pending·0 cites
- 4438US11581948B2Adaptive constellation diagram reducing the impact of phase distortionsXIEON NETWORKS SARL·Filed 2017·Granted Feb 14, 2023·0 cites·13 claims
- 4538US7817921B2Determination of the amplified spontaneous emission in an optical fibre amplifierNOKIA SIEMENS NETWORKS GMBH·Filed 2005·Granted Oct 19, 2010·0 cites·13 claims
- 4637US11088775B2Subcarrier diversity in optical communication systemsXIEON NETWORKS SARL·Filed 2017·Granted Aug 10, 2021·0 cites·31 claims
- 4737US2003147126A1Method and device for regulating a medium with an amplifying effect, especially a fiber optical waveguideFiled 2001·Application pending·0 cites
- 4836US2012230673A1Measurement of accumulated chromatic dispersion in an optical data transmission networkSTRIEGLER ARNE·Filed 2009·Application pending·0 cites
- 4934US11201676B2Codirectional ROPA supplied with power via a separate fiber transmitting data in opposite directionXIEON NETWORKS SARL·Filed 2017·Granted Dec 14, 2021·0 cites·18 claims
- 5031US9641242B2Optical communication system, device and method for data processing in an optical networkSTRIEGLER ARNE·Filed 2012·Granted May 2, 2017·0 cites·15 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →