Inventor · disambiguated record
Jonathan Nagel
Also filed as: NAGEL JONATHAN · NAGEL JONATHAN A
34 granted patents·16 pending applications·819 citations·filing 1991–2024
97Inventor score
Files withAT & T CORP11RED SKY SYSTEMS INC5TYCO TELECOMM US INC5EVANGELIDES STEPHEN G JR3NAGEL JONATHAN3
Top patents by PatentIndex Score
50 records- 0199US5225922AOptical transmission system equalizerAT & T BELL LAB·Filed 1991·Granted Jul 6, 1993·275 cites·14 claims
- 0296US9310274B2System and method for measuring fiber temperature using OTDR measurementsAT & T IP I LP·Filed 2013·Granted Apr 12, 2016·17 cites·21 claims
- 0396US5430572AHigh power, high gain, low noise, two-stage optical amplifierAT & T CORP·Filed 1993·Granted Jul 4, 1995·139 cites·26 claims
- 0491US6690504B1System and method for controlling spectral distribution of output power in a Raman amplifierTYCO TELECOMM US INC·Filed 2002·Granted Feb 10, 2004·54 cites·28 claims
- 0589US5406404AMethod of mitigating gain peaking using a chain of fiber amplifiersAT & T CORP·Filed 1993·Granted Apr 11, 1995·64 cites·11 claims
- 0688US5329396AReduction of stimulated brillouin scattering in a fiber optic transmission systemAT & T BELL LAB·Filed 1992·Granted Jul 12, 1994·59 cites·5 claims
- 0784US7295781B1Polarization mode dispersion compensationAT & T CORP·Filed 2007·Granted Nov 13, 2007·7 cites·6 claims
- 0883US8390797B2Enhanced optical time-domain reflectometer resolution using depolarization of light sourceWOODWARD SHERYL·Filed 2009·Granted Mar 5, 2013·11 cites·11 claims
- 0981US6768875B1Polarization mode dispersion compensationAT & T CORP·Filed 2000·Granted Jul 27, 2004·16 cites·6 claims
- 1078US9960845B2In-band optical-link monitoring for a WDM networkALCATEL LUCENT USA INC·Filed 2016·Granted May 1, 2018·4 cites·27 claims
- 1178US8570501B2Fiber identification using mode field diameter profileNAGEL JONATHAN·Filed 2009·Granted Oct 29, 2013·8 cites·20 claims
- 1276US7869708B2COTDR arrangement with swept frequency pulse generator for an optical transmission systemHUAWEI MARINE NETWORKS CO LTD·Filed 2004·Granted Jan 11, 2011·17 cites·17 claims
- 1375US8428902B2System and method for measuring fiber temperatures using OTDR measurementsNAGEL JONATHAN·Filed 2010·Granted Apr 23, 2013·3 cites·20 claims
- 1472US7466923B1Polarization mode dispersion compensationAT & T CORP·Filed 2007·Granted Dec 16, 2008·3 cites·6 claims
- 1572US7085456B1Electrical and optical isolating unit for an undersea branching unitRED SKY SUBSEA LTD·Filed 2004·Granted Aug 1, 2006·14 cites·10 claims
- 1671US7203423B1Methods and systems for polarization mode dispersion compensationAT & T CORP·Filed 2005·Granted Apr 10, 2007·4 cites·2 claims
- 1771US6674972B1Methods and systems for polarization mode dispersion compensationAT & T CORP·Filed 2000·Granted Jan 6, 2004·11 cites·2 claims
- 1868US6934442B2Undersea branching unit for an undersea optical transmission systemRED SKY SYSTEMS INC·Filed 2003·Granted Aug 23, 2005·9 cites·11 claims
- 1967US6842586B2OTDR arrangement for detecting faults in an optical transmission system employing two pairs of unidirectional optical fibersRED SKY SYSTEMS INC·Filed 2003·Granted Jan 11, 2005·11 cites·9 claims
- 2062US8576387B2Fiber identification using optical frequency-domain reflectometerWOODWARD SHERYL·Filed 2009·Granted Nov 5, 2013·3 cites·20 claims
- 2162US6901190B1Fault tolerant optical amplifier configuration using pump feedthroughTYCO TELECOMM US INC·Filed 2002·Granted May 31, 2005·6 cites·11 claims
- 2262US2025334707A1Optically powered fiber optic sensorsNOKIA SOLUTIONS & NETWORKS OY·Filed 2024·Application pending·0 cites
- 2361US7471895B2Method and apparatus for obtaining status information concerning optical amplifiers located along an undersea optical transmission line using COTDRRED SKY SUBSEA LTD·Filed 2005·Granted Dec 30, 2008·2 cites·5 claims
- 2461US7139489B2System and method of dispersion compensation in optical communication systemsTYCO TELECOMM US INC·Filed 2001·Granted Nov 21, 2006·6 cites·23 claims
- 2561US6980744B1Methods and systems for polarization mode dispersion compensationAT & T CORP·Filed 2003·Granted Dec 27, 2005·5 cites·9 claims
- 2660US5822113AOptical amplifier using optical circulator and fiber amplifierLUCENT TECHNOLOGIES INC·Filed 1996·Granted Oct 13, 1998·22 cites·5 claims
- 2760US5394265AIn-line two-stage erbium doped fiber amplifier system with in-band telemetry channelAT & T CORP·Filed 1993·Granted Feb 28, 1995·18 cites·12 claims
- 2858US7333728B1Methods and systems for polarization mode dispersion compensationAT & T CORP·Filed 2007·Granted Feb 19, 2008·1 cites·3 claims
- 2958US6930825B2Method and apparatus for sharing pump energy from a single pump arrangement to optical fibers located in different fiber pairsRED SKY SYSTEMS INC·Filed 2003·Granted Aug 16, 2005·6 cites·14 claims
- 3058US2005137888A1Method for commoditizing elements of previously specialized communications linkRED SKY SYSTEMS INC·Filed 2003·Application pending·0 cites
- 3154US6906854B1System and method for controlling noise in raman amplifiersTYCO TELECOMM US INC·Filed 2002·Granted Jun 14, 2005·4 cites·22 claims
- 3252US8400622B2Enhanced OTDR sensitivity by utilizing mode-field diameter measurementsNAGEL JONATHAN·Filed 2009·Granted Mar 19, 2013·1 cites·18 claims
- 3351US7809277B1Methods and systems for polarization mode dispersion compensationAT & T IP II LP·Filed 2008·Granted Oct 5, 2010·0 cites·3 claims
- 3449US5481399AIn-line two-stage erbium doped fiber amplifier system with in-band telemetry channelAT & T CORP·Filed 1995·Granted Jan 2, 1996·18 cites·10 claims
- 3547US8059965B2Polarization mode dispersion compensationEISELT MICHAEL HERBERT·Filed 2008·Granted Nov 15, 2011·0 cites·9 claims
- 3647US7274880B2Raman assisted EDFA system and methodTYCO TELECOMM US INC·Filed 2001·Granted Sep 25, 2007·1 cites·11 claims
- 3745US2006133808A1Optical transmission system employing erbium-doped optical amplifiers and Raman amplifiersEVANGELIDES STEPHEN G JR·Filed 2006·Application pending·0 cites
- 3843US2004036959A1Optical transmission system employing erbium-doped optical amplifiers and Raman amplifiersFiled 2002·Application pending·0 cites
- 3942US2005196175A1Method and apparatus for obtaining status information concerning an in-service optical transmission lineFiled 2004·Application pending·0 cites
- 4042US2005013610A1Optical performance monitoring between terminal equipment and an optical interface to an optical submarine transmission lineFiled 2004·Application pending·0 cites
- 4142US2004196532A1Undersea optical transmission system employing Raman gain to mitigate shallow water repair penaltiesFiled 2003·Application pending·0 cites
- 4240US2008050121A1Submarine optical transmission systems having optical amplifiers of unitary designEVANGELIDES STEPHEN G·Filed 2004·Application pending·0 cites
- 4339US2005095006A1Cable station for an undersea optical transmission systemRED SKY SYSTEMS INC·Filed 2003·Application pending·0 cites
- 4438US2004126119A1Method and apparatus for providing a terminal independent interface between a terrestrial optical terminal and an undersea optical transmission pathFiled 2003·Application pending·0 cites
- 4538US2004096215A1Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission pathFiled 2003·Application pending·0 cites
- 4638US2004207912A1Method and apparatus for distributing pump energy to an optical amplifier array in an asymmetric mannerFiled 2003·Application pending·0 cites
- 4737US2002131131A1Optical communication system using L-band wavelengthsFiled 2001·Application pending·0 cites
- 4835US2005232634A1Undersea optical transmission system employing low power consumption optical amplifiersEVANGELIDES STEPHEN G JR·Filed 2005·Application pending·0 cites
- 4935US2006251423A1Method and apparatus for identifying pump failures using an optical line interfaceEVANGELIDES STEPHEN G JR·Filed 2005·Application pending·0 cites
- 5033US2006159464A1Method and apparatus for in-service monitoring of a regional undersea optical transmission system using COTDRCORNWELL WILLIAM DAVID·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →