Inventor · disambiguated record
Olga Vassilieva
Also filed as: VASSILIEVA OLGA · VASSILIEVA OLGA I
67 granted patents·13 pending applications·651 citations·filing 2000–2024
99Inventor score
Top patents by PatentIndex Score
80 records- 0199US11012187B1Error correction in optical networks with probabilistic shaping and symbol rate optimizationFUJITSU LTD·Filed 2020·Granted May 18, 2021·25 cites·20 claims
- 0299US9673907B1Constellation shaping of modulation formats for optical communication systemsFUJITSU LTD·Filed 2016·Granted Jun 6, 2017·71 cites·24 claims
- 0399US9485554B1Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filteringFUJITSU LTD·Filed 2015·Granted Nov 1, 2016·60 cites·20 claims
- 0498US10396899B1Probabilistic constellation shaping using set-partitioned M-QAMFUJITSU LTD·Filed 2018·Granted Aug 27, 2019·34 cites·20 claims
- 0598US10243688B2Reach extension of multi-carrier channels using unequal subcarrier spacingFUJITSU LTD·Filed 2017·Granted Mar 26, 2019·51 cites·14 claims
- 0698US9197320B2System and method for monitoring polarization-dependent lossFUJITSU LTD·Filed 2013·Granted Nov 24, 2015·48 cites·28 claims
- 0798US9112609B2Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmissionFUJITSU LTD·Filed 2013·Granted Aug 18, 2015·56 cites·18 claims
- 0897US10700807B1Fiber input power selection for probabilistically shaped signals in optical networksFUJITSU LTD·Filed 2019·Granted Jun 30, 2020·18 cites·20 claims
- 0996US10530490B1Probabilistic constellation shaping for optical networks with diverse transmission mediaFUJITSU LTD·Filed 2019·Granted Jan 7, 2020·22 cites·20 claims
- 1096US10389473B1Reach extension for optical networks through control of modulation formats and numbers of subcarriersFUJITSU LTD·Filed 2018·Granted Aug 20, 2019·21 cites·17 claims
- 1196US9485019B1Methods and systems for optical channel monitoring with periodic optical filtering of dual polarization signalsFUJITSU LTD·Filed 2015·Granted Nov 1, 2016·20 cites·18 claims
- 1295US10511388B1Reducing variance in reach of WDM channels in an optical networkFUJITSU LTD·Filed 2018·Granted Dec 17, 2019·15 cites·17 claims
- 1393US10601517B1Probabilistic shaping on eight-dimensional super-symbolsFUJITSU LTD·Filed 2019·Granted Mar 24, 2020·18 cites·12 claims
- 1493US10225008B1Systems and methods for reconfiguring an adaptive optical network when adding an optical pathFUJITSU LTD·Filed 2018·Granted Mar 5, 2019·9 cites·17 claims
- 1591US11742947B1Noise estimation in optical networksFUJITSU LTD·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 1686US9344194B2System and method for monitoring and control of an optical modulator for an M-QAM transmitterFUJITSU LTD·Filed 2013·Granted May 17, 2016·8 cites·10 claims
- 1785US9838123B1Nonlinear noise mitigation with spectral inversion in optical transport networksFUJITSU LTD·Filed 2016·Granted Dec 5, 2017·5 cites·18 claims
- 1885US8543006B2System and method for reducing polarization dependent lossVASSILIEVA OLGA I·Filed 2010·Granted Sep 24, 2013·7 cites·18 claims
- 1984US7693425B2Method and system for compensating for optical dispersion in an optical signal in a hybrid optical networkFUJITSU LTD·Filed 2007·Granted Apr 6, 2010·10 cites·21 claims
- 2083US8761600B2In-band supervisory data modulationKIM INWOONG·Filed 2012·Granted Jun 24, 2014·6 cites·20 claims
- 2183US8543000B2System and method for reducing polarization dependent loss cross-talk effectsVASSILIEVA OLGA I·Filed 2010·Granted Sep 24, 2013·7 cites·14 claims
- 2283US7609969B2Method and system for compensating for optical dispersion in an optical signalFUJITSU LTD·Filed 2005·Granted Oct 27, 2009·11 cites·12 claims
- 2382US9100137B2Crosstalk reduction in optical networks using variable subcarrier spectral allocationFUJITSU LTD·Filed 2013·Granted Aug 4, 2015·5 cites·18 claims
- 2481US8983290B2System and method for monitoring a dual-polarization signal using an in-band supervisory signalFUJITSU LTD·Filed 2013·Granted Mar 17, 2015·5 cites·24 claims
- 2580US10116392B1Carrier suppressed multi-level pulse amplitude modulationFUJITSU LTD·Filed 2018·Granted Oct 30, 2018·3 cites·19 claims
- 2680US9614638B2Methods and systems for periodic optical filtering to identify tone modulated optical signalsFUJITSU LTD·Filed 2015·Granted Apr 4, 2017·4 cites·14 claims
- 2779US9312914B2Crosstalk reduction in optical networks using variable subcarrier power levelsFUJITSU LTD·Filed 2013·Granted Apr 12, 2016·4 cites·21 claims
- 2879US8467690B2Method and system for cancellation of chromatic dispersion combined laser phase noiseKIM INWOONG·Filed 2010·Granted Jun 18, 2013·5 cites·12 claims
- 2978US9712249B2Methods and systems for superchannel subcarrier monitoring using amplitude modulated tonesFUJITSU LTD·Filed 2015·Granted Jul 18, 2017·3 cites·20 claims
- 3077US9912435B2Nonlinear penalty estimation using spectral inversion in optical transport networksFUJITSU LTD·Filed 2016·Granted Mar 6, 2018·3 cites·12 claims
- 3177US9768878B2Methods and systems for superchannel power pre-emphasisFUJITSU LTD·Filed 2015·Granted Sep 19, 2017·3 cites·20 claims
- 3277US8644704B2Method and system for an adaptive channel grid of an optical networkVASSILIEVA OLGA I·Filed 2011·Granted Feb 4, 2014·4 cites·24 claims
- 3377US7254342B2Method and system for transmitting information in an optical communication system with low signal distortionFUJITSU LTD·Filed 2003·Granted Aug 7, 2007·14 cites·39 claims
- 3476US7369765B2Optical network with selective mode switchingFUJITSU LTD·Filed 2004·Granted May 6, 2008·12 cites·21 claims
- 3575US7593646B2Upgraded optical communication system with increased transmission capacity and methodFUJITSU LTD·Filed 2008·Granted Sep 22, 2009·4 cites·8 claims
- 3674US9344190B2Flexible placement of spectral inverters in optical networksKIM INWOONG·Filed 2014·Granted May 17, 2016·3 cites·17 claims
- 3774US8989571B2In-band supervisory data modulation using complementary power modulationKIM INWOONG·Filed 2012·Granted Mar 24, 2015·3 cites·20 claims
- 3872US8369442B2Communicating a signal according to ASK modulation and PSK modulationFUJITSU LTD·Filed 2007·Granted Feb 5, 2013·4 cites·17 claims
- 3971US9941994B2Wavelength shift elimination during spectral inversion in optical networksFUJITSU LTD·Filed 2015·Granted Apr 10, 2018·2 cites·9 claims
- 4071US7603035B2Method and system for a data centric architecture in an optical networkFUJITSU LTD·Filed 2004·Granted Oct 13, 2009·9 cites·20 claims
- 4170US8401389B2Method and system for compensating for optical dispersion in an optical signalVASSILIEVA OLGA I·Filed 2010·Granted Mar 19, 2013·3 cites·20 claims
- 4270US8270835B2Method and system for reducing cross-phase modulation in an optical signalCROUSSORE KEVIN·Filed 2010·Granted Sep 18, 2012·4 cites·14 claims
- 4369US11265086B2Low rate loss bit-level distribution matcher for constellation shapingFUJITSU LTD·Filed 2019·Granted Mar 1, 2022·1 cites·20 claims
- 4469US9042730B2System and method for compensating signal degradation in dual polarization optical systemsFUJITSU LTD·Filed 2013·Granted May 26, 2015·2 cites·20 claims
- 4569US7991295B2Method and system for compensating for optical dispersion in an optical signalFUJITSU LTD·Filed 2008·Granted Aug 2, 2011·6 cites·13 claims
- 4668US9372830B2System and method to analyze impairment of optical transmissions due to combined nonlinear and polarization dependent lossFUJITSU LTD·Filed 2012·Granted Jun 21, 2016·2 cites·15 claims
- 4768US8055140B2Reducing cross-phase modulation using group delayFUJITSU LTD·Filed 2009·Granted Nov 8, 2011·4 cites·17 claims
- 4867US9515734B2System and method for cross-phase modulation noise reduced transmission in hybrid networksKIM INWOONG·Filed 2010·Granted Dec 6, 2016·2 cites·30 claims
- 4965US6580939B1Method and system for reducing background artifacts from uniformly redundant array collimators in single photon emission computed tomographyUNIV TEXAS·Filed 2000·Granted Jun 17, 2003·11 cites·20 claims
- 5064US12132521B2Optical signal adjustmentFUJITSU LTD·Filed 2022·Granted Oct 29, 2024·0 cites·17 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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