Inventor · disambiguated record
Siddharth Ramachandran
Also filed as: RAMACHANDRAN SIDDHARTH
43 granted patents·2 pending applications·406 citations·filing 2002–2021
98Inventor score
Files withFURUKAWA ELECTRIC NORTH AM INC9RAMACHANDRAN SIDDHARTH8FITEL USA CORP7OFS FITEL LLC6UNIV BOSTON5
Top patents by PatentIndex Score
45 records- 0197US7171074B2Large mode area fibers using higher order modesFURAKAWA ELECTRIC NORTH AMERIC·Filed 2004·Granted Jan 30, 2007·52 cites·20 claims
- 0296US8358888B2Systems and techniques for generating Bessel beamsOFS FITEL LLC·Filed 2009·Granted Jan 22, 2013·53 cites·11 claims
- 0396US7257293B1Fiber structure with improved bend resistanceFURUKAWA ELECTRIC NORTH AM INC·Filed 2006·Granted Aug 14, 2007·57 cites·18 claims
- 0494US9203209B2High-power fiber laser employing nonlinear wave mixing with higher-order modesUNIV BOSTON·Filed 2014·Granted Dec 1, 2015·17 cites·20 claims
- 0593US7483612B2Large mode area fibers using higher order modesFURUKAWA ELECTRIC NORTH AM INC·Filed 2007·Granted Jan 27, 2009·24 cites·15 claims
- 0690US10827911B2Optical imaging system employing vortex fiber for multiple-mode illuminationUNIV BOSTON·Filed 2017·Granted Nov 10, 2020·6 cites·46 claims
- 0790US8000570B2Sequentially increasing effective area in higher-order mode (HOM) Signal PropagationFURUKAWA ELECTRIC NORTH AM INC·Filed 2008·Granted Aug 16, 2011·8 cites·12 claims
- 0888US8520299B2Selectively pumping a gain-doped region of an optical fiberDIGIOVANNI DAVID J·Filed 2008·Granted Aug 27, 2013·7 cites·15 claims
- 0987US7925128B2Pumping in a higher-order mode that is different from a signal modeOFS FITEL LLC·Filed 2008·Granted Apr 12, 2011·6 cites·15 claims
- 1087US7177510B2Polarization insensitive microbend fiber gratings and devices using the sameFITEL USA CORP·Filed 2004·Granted Feb 13, 2007·23 cites·6 claims
- 1186US7826499B2Visible continuum generation utilizing a hybrid optical sourceOFS FITEL LLC·Filed 2007·Granted Nov 2, 2010·9 cites·13 claims
- 1286US7228029B1Short pulse lasers using large mode area fibers and higher order modesFURUKAWA ELECTRIC NORTH AM INC·Filed 2005·Granted Jun 5, 2007·17 cites·20 claims
- 1384US8412015B2Segmented gain-doping of an optical fiberDIGIOVANNI DAVID J·Filed 2008·Granted Apr 2, 2013·7 cites·15 claims
- 1484US7272288B2Large mode area fibers using higher order modesFURUKAWA ELECTRIC NORTH AM INC·Filed 2006·Granted Sep 18, 2007·5 cites·20 claims
- 1582US7110651B2Optical fiber having enhanced separation of higher-order modesFITEL USA CORP·Filed 2004·Granted Sep 19, 2006·24 cites·4 claims
- 1676US8507877B2Non-linear optical system and techniquesNICHOLSON JEFFREY W·Filed 2010·Granted Aug 13, 2013·2 cites·11 claims
- 1774US6950578B1Highly index-sensitive optical devices including long period fiber gratingsFITEL USA CORP·Filed 2004·Granted Sep 27, 2005·15 cites·13 claims
- 1873US6845194B2Optical bandpass filter using long period gratingsFURUKAWA ELECTRIC NORTH AM INC·Filed 2002·Granted Jan 18, 2005·12 cites·7 claims
- 1970US8103142B2Preventing dielectric breakdown in optical fibersRAMACHANDRAN SIDDHARTH·Filed 2008·Granted Jan 24, 2012·3 cites·6 claims
- 2070US7352939B2Polarization insensitive microbend fiber gratings and devices using the sameFITEL USA CORP·Filed 2006·Granted Apr 1, 2008·3 cites·8 claims
- 2170US7340139B2Polarization insensitive microbend fiber gratings and devices using the sameFITEL USA CORP·Filed 2006·Granted Mar 4, 2008·3 cites·3 claims
- 2270US6768824B2Tunable polarizersFITEL USA CORP·Filed 2002·Granted Jul 27, 2004·11 cites·12 claims
- 2366US7340132B2Polarization insensitive microbend fiber gratings and devices using the sameFITEL U S A CORP·Filed 2006·Granted Mar 4, 2008·2 cites·5 claims
- 2465US8478134B2Compression of generated optical continuum utilizing higher-order-mode fiberNICHOLSON JEFFREY W·Filed 2009·Granted Jul 2, 2013·2 cites·20 claims
- 2564US8175436B2Optical fibers and optical fiber devices with total dispersion greater than material dispersionRAMACHANDRAN SIDDHARTH·Filed 2008·Granted May 8, 2012·2 cites·10 claims
- 2663US7817258B2Measuring modal content of multi-moded fibersOFS FITEL LLC·Filed 2008·Granted Oct 19, 2010·3 cites·16 claims
- 2762US6980578B2Optical bandpass filter using long period gratingsFURUKAWA ELECTRIC NORTH AM INC·Filed 2004·Granted Dec 27, 2005·6 cites·3 claims
- 2862US6768835B2Tunable mode-converters using few mode fibersFITEL USA CORP·Filed 2002·Granted Jul 27, 2004·7 cites·12 claims
- 2960US7519254B2Polarization insensitive microbend fiber gratings and devices using the sameOFS FITEL LLC·Filed 2006·Granted Apr 14, 2009·1 cites·6 claims
- 3060US7386209B2Large mode area fibers using higher order modesKURUKAWA ELECTRIC NORTH AMERIC·Filed 2006·Granted Jun 10, 2008·2 cites·6 claims
- 3160US7336861B2Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layersVIRGINIA TECH INTELL PROP·Filed 2006·Granted Feb 26, 2008·2 cites·17 claims
- 3259US8290317B2Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiberRAMACHANDRAN SIDDHARTH·Filed 2011·Granted Oct 16, 2012·0 cites·11 claims
- 3359US6937788B2Adjustable dispersion compensator with few mode fibers and switchable mode convertersFURUKAWA ELECTRIC NORTH AM INC·Filed 2002·Granted Aug 30, 2005·6 cites·20 claims
- 3457US6778715B2Optical fiber-based device with tunable birefringenceFITEL U S A CORP·Filed 2002·Granted Aug 17, 2004·5 cites·16 claims
- 3556US7865045B2Locally perturbed optical fibers for mode transformersOFS FITEL LLC·Filed 2008·Granted Jan 4, 2011·1 cites·23 claims
- 3656US7672552B2Achieving gaussian outputs from large-mode-area-higher-order mode fibersFURUKAWA ELECTRIC NORTH AM INC·Filed 2008·Granted Mar 2, 2010·3 cites·21 claims
- 3752US9417381B2Optical fiber systems for delivering short high power pulsesRAMACHANDRAN SIDDHARTH·Filed 2009·Granted Aug 16, 2016·0 cites·15 claims
- 3851US8189977B2Optical fibers and optical fiber devices with total dispersion greater than material dispersionRAMACHANDRAN SIDDHARTH·Filed 2008·Granted May 29, 2012·0 cites·6 claims
- 3951US8175435B2Optical fibers and optical fiber devices with total dispersion greater than material dispersionRAMACHANDRAN SIDDHARTH·Filed 2008·Granted May 8, 2012·0 cites·10 claims
- 4048US11506841B2Optical fiber system employing topological guidance of lightUNIV BOSTON·Filed 2021·Granted Nov 22, 2022·0 cites·23 claims
- 4147US2007206910A1Optical fibers and optical fiber devices with total dispersion greater than material dispersionRAMACHANDRAN SIDDHARTH·Filed 2006·Application pending·0 cites
- 4244US7941012B2Phase-engineered fibers for use in generating cylindrical vector beamsOPS FITEL LLC·Filed 2010·Granted May 10, 2011·0 cites·6 claims
- 4343US2006233554A1Optical fiber systems for delivering short high power pulsesRAMACHANDRAN SIDDHARTH·Filed 2005·Application pending·0 cites
- 4441US10823667B1Engineered optical fibers and uses thereofUNIV BOSTON·Filed 2020·Granted Nov 3, 2020·0 cites·20 claims
- 4530US10734782B2Ultrashort pulse fiber laser employing Raman scattering in higher order mode fibersUNIV BOSTON·Filed 2017·Granted Aug 4, 2020·0 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →