Ramachandran; Siddharth

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ramachandran; Siddharth.The latest application filed is for "optical fiber system employing topological guidance of light".

Company Profile

6.48.43

Ramachandran; Siddharth - Boston MA
Ramachandran; Siddharth - Hoboken NJ US
Ramachandran; Siddharth - Pittsburgh PA US
Ramachandran; Siddharth - Hudson County NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical Fiber System Employing Topological Guidance Of Light App 20220011512 - Ramachandran; Siddharth ; et al.	2022-01-13
Optical imaging system employing vortex fiber for multiple-mode illumination Grant 10,827,911 - Ramachandran , et al. November 10, 2	2020-11-10
Engineered Optical Fibers And Uses Thereof App 20200348226 - Ramachandran; Siddharth ; et al.	2020-11-05
Engineered optical fibers and uses thereof Grant 10,823,667 - Ramachandran , et al. November 3, 2	2020-11-03
Ultrashort pulse fiber laser employing Raman scattering in higher order mode fibers Grant 10,734,782 - Ramachandran , et al.	2020-08-04
Ultrashort Pulse Fiber Laser Employing Raman Scattering In Higher Order Mode Fibers App 20190386451 - Ramachandran; Siddharth ; et al.	2019-12-19
Optical Imaging System Employing Vortex Fiber For Multiple-mode Illumination App 20190290100 - Ramachandran; Siddharth ; et al.	2019-09-26
Optical fiber systems for delivering short high power pulses Grant 9,417,381 - Ramachandran , et al. August 16, 2	2016-08-16
High-power fiber laser employing nonlinear wave mixing with higher-order modes Grant 9,203,209 - Ramachandran December 1, 2	2015-12-01
High-power Fiber Laser Employing Nonlinear Wave Mixing With Higher-order Modes App 20150188283 - Ramachandran; Siddharth	2015-07-02
Selectively pumping a gain-doped region of an optical fiber Grant 8,520,299 - Digiovanni , et al. August 27, 2	2013-08-27
Non-linear optical system and techniques Grant 8,507,877 - Nicholson , et al. August 13, 2	2013-08-13
Compression of generated optical continuum utilizing higher-order-mode fiber Grant 8,478,134 - Nicholson , et al. July 2, 2	2013-07-02
Segmented gain-doping of an optical fiber Grant 8,412,015 - Digiovanni , et al. April 2, 2	2013-04-02
Systems and techniques for generating Bessel beams Grant 8,358,888 - Ramachandran January 22, 2	2013-01-22
Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber Grant 8,290,317 - Ramachandran October 16, 2	2012-10-16
Optical fibers and optical fiber devices with total dispersion greater than material dispersion Grant 8,189,977 - Ramachandran May 29, 2	2012-05-29
Optical fibers and optical fiber devices with total dispersion greater than material dispersion Grant 8,175,436 - Ramachandran May 8, 2	2012-05-08
Optical fibers and optical fiber devices with total dispersion greater than material dispersion Grant 8,175,435 - Ramachandran May 8, 2	2012-05-08
Production of Optical Pulses At A Desired Wavelength Utilizing Higher-Order-Mode (HOM) Fiber App 20120093461 - Ramachandran; Siddharth	2012-04-19
Preventing dielectric breakdown in optical fibers Grant 8,103,142 - Ramachandran , et al. January 24, 2	2012-01-24
Non-Linear Optical System and Techniques App 20110210269 - Nicholson; Jeffrey W. ; et al.	2011-09-01
Sequentially increasing effective area in higher-order mode (HOM) Signal Propagation Grant 8,000,570 - Digiovanni , et al. August 16, 2	2011-08-16
Phase-engineered fibers for use in generating cylindrical vector beams Grant 7,941,012 - Ramachandran May 10, 2	2011-05-10
Pumping in a higher-order mode that is different from a signal mode Grant 7,925,128 - Ramachandran April 12, 2	2011-04-12
Compression of generated optical continuum utilizing higher-order-mode fiber App 20110052197 - Nicholson; Jeffrey W. ; et al.	2011-03-03
Locally perturbed optical fibers for mode transformers Grant 7,865,045 - Ramachandran , et al. January 4, 2	2011-01-04
Phase-Engineered Fibers for Use in Generating Cylindrical Vector Beams App 20100303402 - Ramachandran; Siddharth	2010-12-02
Visible continuum generation utilizing a hybrid optical source Grant 7,826,499 - Nicholson , et al. November 2, 2	2010-11-02
Measuring modal content of multi-moded fibers Grant 7,817,258 - Kristensen , et al. October 19, 2	2010-10-19
Selectively Pumping A Gain-Doped Region Of An Optical Fiber App 20100103959 - Digiovanni; David J ; et al.	2010-04-29
Achieving gaussian outputs from large-mode-area-higher-order mode fibers Grant 7,672,552 - Leuchs , et al. March 2, 2	2010-03-02
Sequentially Increasing Effective Area In Higher-Order Mode (HOM) Signal Propagation App 20100034500 - Digiovanni; David J. ; et al.	2010-02-11
Optical fibers and optical fiber devices with total dispersion greater than material dispersion App 20100014820 - Ramachandran; Siddharth	2010-01-21
Preventing Dielectric Breakdown In Optical Fibers App 20100008664 - Ramachandran; Siddharth ; et al.	2010-01-14
Segmented Gain-Doping Of An Optical Fiber App 20100008633 - Digiovanni; David J. ; et al.	2010-01-14
Pumping In A Higher-Order Mode That Is Different From A Signal Mode App 20100002992 - Ramachandran; Siddharth	2010-01-07
Optical fiber systems for delivering short high power pulses App 20090274417 - Ramachandran; Siddharth ; et al.	2009-11-05
Systems and Techniques for Generating Bessel Beams App 20090257711 - Ramachandran; Siddharth	2009-10-15
Systems and Techniques for Generating Cylindrical Vector Beams App 20090202191 - Ramachandran; Siddharth	2009-08-13
Measuring modal content of multi-moded fibers App 20090185171 - Kristensen; Poul ; et al.	2009-07-23
Polarization insensitive microbend fiber gratings and devices using the same Grant 7,519,254 - Ramachandran April 14, 2	2009-04-14
Locally perturbed optical fibers for mode transformers App 20090080470 - Ramachandran; Siddharth ; et al.	2009-03-26
Optical Fibers and Optical Fiber Devices with Total Dispersion Greater than Material Dispersion App 20090034925 - Ramachandran; Siddharth	2009-02-05
Visible continuum generation utilizing a hybrid optical source App 20090034562 - Nicholson; Jeffrey W. ; et al.	2009-02-05
Large mode area fibers using higher order modes Grant 7,483,612 - Digiovanni , et al. January 27, 2	2009-01-27
Optical Fibers And Otical Fiber Devices With Total Dispersion Greater Than Material Dispersion App 20080317419 - Ramachandran; Siddharth	2008-12-25
Achieving Gaussian Outputs from Large-Mode-Area-Higher-Order Mode Fibers App 20080219620 - Lindlein; Norbert ; et al.	2008-09-11
Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber App 20080138011 - Ramachandran; Siddharth	2008-06-12
Large mode area fibers using higher order modes Grant 7,386,209 - DiGiovanni , et al. June 10, 2	2008-06-10
Polarization insensitive microbend fiber gratings and devices using the same Grant 7,352,939 - Ramachandran April 1, 2	2008-04-01
Polarization insensitive microbend fiber gratings and devices using the same Grant 7,340,139 - Ramachandran March 4, 2	2008-03-04
Polarization insensitive microbend fiber gratings and devices using the same Grant 7,340,132 - Ramachandran March 4, 2	2008-03-04
Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layers Grant 7,336,861 - Wang , et al. February 26, 2	2008-02-26
Large Mode Area Fibers Using Higher Order Modes App 20070274651 - DiGiovanni; David J. ; et al.	2007-11-29
Large mode area fibers using higher order modes Grant 7,272,288 - DiGiovanni , et al. September 18, 2	2007-09-18
Optical fibers and optical fiber devices with total dispersion greater than material dispersion App 20070206910 - Ramachandran; Siddharth	2007-09-06
Fiber structure with improved bend resistance Grant 7,257,293 - Fini , et al. August 14, 2	2007-08-14
Short pulse lasers using large mode area fibers and higher order modes Grant 7,228,029 - Ramachandran , et al. June 5, 2	2007-06-05
Polarization insensitive microbend fiber gratings and devices using the same App 20070104434 - Ramachandran; Siddharth	2007-05-10
Polarization insensitive microbend fiber gratings and devices using the same App 20070104432 - Ramachandran; Siddharth	2007-05-10
Polarization insensitive microbend fiber gratings and devices using the same App 20070104435 - Ramachandran; Siddharth	2007-05-10
Polarization insensitive microbend fiber gratings and devices using the same App 20070104433 - Ramachandran; Siddharth	2007-05-10
Large mode area fibers using higher order modes App 20070077004 - DiGiovanni; David J. ; et al.	2007-04-05
Polarization insensitive microbend fiber gratings and devices using the same Grant 7,177,510 - Ramachandran February 13, 2	2007-02-13
Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layers App 20070025661 - Wang; Zhiyong ; et al.	2007-02-01
Large mode area fibers using higher order modes Grant 7,171,074 - DiGiovanni , et al. January 30, 2	2007-01-30
Large Mode Area Fibers Using Higher Order Modes App 20060269200 - DiGiovanni; David J. ; et al.	2006-11-30
Optical fiber systems for delivering short high power pulses App 20060233554 - Ramachandran; Siddharth ; et al.	2006-10-19
Optical fiber having enhanced separation of higher-order modes Grant 7,110,651 - Golowich , et al. September 19, 2	2006-09-19
Large mode area fibers using higher order modes App 20060103919 - DiGiovanni; David J. ; et al.	2006-05-18
Optical fiber having enhanced separation of higher-order modes App 20060039663 - Golowich; Steven Eugene ; et al.	2006-02-23
Polarization insensitive microbend fiber gratings and devices using the same App 20060029346 - Ramachandran; Siddharth	2006-02-09
Optical bandpass filter using long period gratings Grant 6,980,578 - Ramachandran December 27, 2	2005-12-27
Highly index-sensitive optical devices including long period fiber gratings Grant 6,950,578 - Ramachandran September 27, 2	2005-09-27
Adjustable dispersion compensator with few mode fibers and switchable mode converters Grant 6,937,788 - Ramachandran August 30, 2	2005-08-30
Optical bandpass filter using long period gratings App 20050100280 - Ramachandran, Siddharth	2005-05-12
Optical bandpass filter using long period gratings Grant 6,845,194 - Ramachandran January 18, 2	2005-01-18
Optical fiber-based device with tunable birefringence Grant 6,778,715 - Ramachandran August 17, 2	2004-08-17
Tunable mode-converters using few mode fibers Grant 6,768,835 - Ramachandran July 27, 2	2004-07-27
Tunable polarizers Grant 6,768,824 - Ramachandran July 27, 2	2004-07-27
Optical fiber-based device with tunable birefringence App 20040086213 - Ramachandran, Siddharth	2004-05-06
Tunable polarizers App 20040081383 - Ramachandran, Siddharth	2004-04-29
Tunable mode-converters using few mode fibers App 20040042714 - Ramachandran, Siddharth	2004-03-04
Optical bandpass filter using long period gratings App 20030002794 - Ramachandran, Siddharth	2003-01-02