Inventor

RAMACHANDRAN SIDDHARTH

US43 patents

⚠️ This page may combine multiple inventors who share the name “RAMACHANDRAN SIDDHARTH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAMACHANDRAN SIDDHARTH

FURUKAWA ELECTRIC NORTH AM INC

Fiber structure with improved bend resistance

Large mode area fibers using higher order modes

Sequentially increasing effective area in higher-order mode (HOM) Signal Propagation

Optical bandpass filter using long period gratings

Short pulse lasers using large mode area fibers and higher order modes

Large mode area fibers using higher order modes

Optical bandpass filter using long period gratings

Adjustable dispersion compensator with few mode fibers and switchable mode converters

Achieving gaussian outputs from large-mode-area-higher-order mode fibers

FITEL USA CORP

Polarization insensitive microbend fiber gratings and devices using the same

Optical fiber having enhanced separation of higher-order modes

Highly index-sensitive optical devices including long period fiber gratings

Tunable mode-converters using few mode fibers

Tunable polarizers

Polarization insensitive microbend fiber gratings and devices using the same

Polarization insensitive microbend fiber gratings and devices using the same

OFS FITEL LLC

Systems and techniques for generating Bessel beams

Visible continuum generation utilizing a hybrid optical source

Pumping in a higher-order mode that is different from a signal mode

Polarization insensitive microbend fiber gratings and devices using the same

Measuring modal content of multi-moded fibers

Locally perturbed optical fibers for mode transformers

RAMACHANDRAN SIDDHARTH

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

Preventing dielectric breakdown in optical fibers

Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

Optical fiber systems for delivering short high power pulses

UNIV BOSTON

High-power fiber laser employing nonlinear wave mixing with higher-order modes

Optical imaging system employing vortex fiber for multiple-mode illumination

Optical fiber system employing topological guidance of light

Engineered optical fibers and uses thereof

Ultrashort pulse fiber laser employing Raman scattering in higher order mode fibers

DIGIOVANNI DAVID J

Selectively pumping a gain-doped region of an optical fiber

Segmented gain-doping of an optical fiber

FITEL U S A CORP

Polarization insensitive microbend fiber gratings and devices using the same

Optical fiber-based device with tunable birefringence

NICHOLSON JEFFREY W

Non-linear optical system and techniques

Compression of generated optical continuum utilizing higher-order-mode fiber

FURAKAWA ELECTRIC NORTH AMERIC

Large mode area fibers using higher order modes

VIRGINIA TECH INTELL PROP

Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layers

KURUKAWA ELECTRIC NORTH AMERIC

Large mode area fibers using higher order modes

OPS FITEL LLC

Phase-engineered fibers for use in generating cylindrical vector beams