Inventor · disambiguated record
Christopher Fludger
Also filed as: FLUDGER CHRISTOPHER · FLUDGER CHRISTOPHER R · FLUDGER CHRISTOPHER R S
25 granted patents·5 pending applications·252 citations·filing 2000–2024
95Inventor score
Files withCISCO TECH INC12INFINERA CORP8NORTEL NETWORKS LTD6FLUDGER CHRISTOPHER2BOOKHAM TECHNOLOGY PLC1
Top patents by PatentIndex Score
30 records- 0197US9991953B1Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceiversCISCO TECH INC·Filed 2017·Granted Jun 5, 2018·58 cites·20 claims
- 0294US11101890B2Unequal spacing on multilevel signalsCISCO TECH INC·Filed 2020·Granted Aug 24, 2021·6 cites·20 claims
- 0393US10720995B1Unequal spacing on multilevel signalsCISCO TECH INC·Filed 2019·Granted Jul 21, 2020·16 cites·20 claims
- 0491US6452716B1Amplitude modulation of a pump laser signal in a distributed raman amplifierNORTEL NETWORKS LTD·Filed 2000·Granted Sep 17, 2002·59 cites·15 claims
- 0589US9735888B2Control of LO signal frequency offset between optical transmitters and receiversCISCO TECH INC·Filed 2015·Granted Aug 15, 2017·13 cites·22 claims
- 0685US7209670B2Polarization diversity receiver for optical transmission systemNORTEL NETWORKS LTD·Filed 2003·Granted Apr 24, 2007·32 cites·23 claims
- 0781US9876566B1Optical transceiver compensation, monitoring and alarmingCISCO TECH INC·Filed 2016·Granted Jan 23, 2018·5 cites·20 claims
- 0875US7272327B2Multi-detector detection of optical signalsNORTEL NETWORKS LTD·Filed 2003·Granted Sep 18, 2007·16 cites·21 claims
- 0974US7680420B1Optical E-field modulation using a directly driven laserNORTEL NETWORKS LTD·Filed 2004·Granted Mar 16, 2010·16 cites·10 claims
- 1073US6674566B2Raman amplificationNORTEL NETWORKS LTD·Filed 2001·Granted Jan 6, 2004·12 cites·16 claims
- 1171US11550547B2Random noise generationCISCO TECH INC·Filed 2020·Granted Jan 10, 2023·1 cites·20 claims
- 1271US11018777B2Digital resampling method and apparatusCISCO TECH INC·Filed 2019·Granted May 25, 2021·1 cites·20 claims
- 1366US10491295B2Optical transceiver compensation, monitoring and alarmingCISCO TECH INC·Filed 2018·Granted Nov 26, 2019·1 cites·20 claims
- 1465US9935720B2Control of LO signal frequency offset between optical transmitters and receiversCISCO TECH INC·Filed 2017·Granted Apr 3, 2018·1 cites·20 claims
- 1565US9419726B2Clock recovery for optical transmission systemsFLUDGER CHRISTOPHER·Filed 2010·Granted Aug 16, 2016·2 cites·30 claims
- 1664US11424833B2Digital resampling method and apparatusCISCO TECH INC·Filed 2021·Granted Aug 23, 2022·0 cites·20 claims
- 1764US6624928B1Raman amplificationNORTEL NETWORKS LTD·Filed 2001·Granted Sep 23, 2003·7 cites·11 claims
- 1862US9967027B2Optical transceiver compensation, monitoring and alarmingCISCO TECH INC·Filed 2016·Granted May 8, 2018·1 cites·25 claims
- 1962US8655196B2Phase control circuit and method for optical receiversFLUDGER CHRISTOPHER·Filed 2009·Granted Feb 18, 2014·2 cites·12 claims
- 2061US12381648B2Probabilistic constellation shaping for point-to-multipoint optical fiber communication systems employing subcarriersINFINERA CORP·Filed 2022·Granted Aug 5, 2025·0 cites·8 claims
- 2160US2025141553A1System and method for frequency locking nodes in optical networksINFINERA CORP·Filed 2024·Application pending·0 cites
- 2258US2025038854A1Dual laser control for point-to-multipoint networks using bi-directional transmissionINFINERA CORP·Filed 2024·Application pending·0 cites
- 2352US6556343B1Optical fiber deviceBOOKHAM TECHNOLOGY PLC·Filed 2000·Granted Apr 29, 2003·3 cites·15 claims
- 2452US2025192893A1Digital signal processing for burst-mode coherent optical packet detectionINFINERA CORP·Filed 2024·Application pending·0 cites
- 2550US10122470B2Clock recovery for optical transmission systemsCISCO TECH INC·Filed 2016·Granted Nov 6, 2018·0 cites·20 claims
- 2649US12047163B2Out-of-band communication channel for point-to-multi-point communicationsINFINERA CORP·Filed 2021·Granted Jul 23, 2024·0 cites·16 claims
- 2748US11950031B2Transmission impairment compensation in point-to-multipoint communication systemsINFINERA CORP·Filed 2021·Granted Apr 2, 2024·0 cites·20 claims
- 2847US12057934B2Methods and apparatus for sub-carrier interleaving to improve overall forward error correctionINFINERA CORP·Filed 2021·Granted Aug 6, 2024·0 cites·20 claims
- 2940US2021385062A1Clock recovery for point-to-multi-point communication systemsINFINERA CORP·Filed 2021·Application pending·0 cites
- 3036US2003081307A1Raman amplificationFiled 2001·Application pending·0 cites
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