Inventor

DIGIOVANNI DAVID J

US53 patents

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

DIGIOVANNI DAVID J

OFS FITEL LLC

High-birefringence hollow-core fibers and techniques for making same

Cascaded raman fiber laser system based on filter fiber

Optical probe

Barbell optical fiber and method of making the same

Cabling configurations for hollow core optical fibers

Cabling configurations for hollow core optical fibers

Hollow core optical fiber with controlled diameter hollow regions and method of making the same

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

Broadband fiber sensor array

Arrayed optical fiber amplifier using ribbonized erbium-doped fiber

High-birefringence hollow-core fibers and techniques for making same

Polarization-maintaining fiber device supporting propagation in large mode field diameters

Photoinduced optical interconnect

Polarization-maintaining (PM) double-clad (DC) optical fiber

AT & T BELL LAB

Multi-stage optical fiber amplifier

Article comprising an optical fiber laser

Multi-stage optical amplifier

High gain multi-mode optical amplifier

Sol-gel doping of optical fiber preform

System comprising Er-doped optical fiber

Article comprising an optical waveguide containing a fluorescent dopant

Electrically tunable fiber ring laser

Electrically tunable fiber ring laser

Fatigue resistant optical fiber

Resonantly enhanced optical second harmonic generator

DIGIOVANNI DAVID J

Selectively pumping a gain-doped region of an optical fiber

Segmented gain-doping of an optical fiber

Fiber-based photonic microdevices with sub-wavelength scale variations in fiber radius

Method of controlling longitudinal properties of optical fiber

Accelerated aging of phosphorus-doped optical fibers

Accelerated aging of phosphorus-doped optical fibers

LUCENT TECHNOLOGIES INC

Single mode optical transmission fiber, and method of making the fiber

Method for producing fused fiber bundles

Optical attenuator

Method of making optical fiber with low melting glass core

Article comprising a multi-stage erbium-doped fiber amplifier

AT & T CORP

High power, high gain, low noise, two-stage optical amplifier

Method of mitigating gain peaking using a chain of fiber amplifiers

Optical fiber non-reciprocal phase shifters and optical isolators using them

System for spectrum-sliced fiber amplifier light for multi-channel wavelength-division-multiplexed applications

Optical fiber amplifier and a glass therefor

FURUKAWA ELECTRIC NORTH AM INC

Large mode area fibers using higher order modes

Cladding pumped optical fiber gain devices

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

Large mode area fibers using higher order modes

FITEL USA CORP

Raman amplified dispersion compensating modules

Method of fabricating graded-index optical fiber lenses

FURAKAWA ELECTRIC NORTH AMERIC

Large mode area fibers using higher order modes

KURUKAWA ELECTRIC NORTH AMERIC

Large mode area fibers using higher order modes