Corning Incorporated

Corning Research & Development Corporation

Corning Optical Communications LLC

Other

Pushkar Tandon

Dana Craig Bookbinder

Ming-Jun Li

Scott Robertson Bickham

Snigdharaj Kumar Mishra

Steven Bruce Dawes

Ruchi Sarda Tandon

Douglas Munroe Beall

Achim Karl-Erich Heibel

Kevin Wallace Bennett

Stephan Lvovich Logunov

Daniel Aloysius Nolan

Robert Brett Desorcie

Richard Michael Fiacco

Sergio Tsuda

Robert Clark Moore

Albert Roth Nieber

Inna Igorevna Kouzmina

Brian Lee Harper

Manuela Ocampo

Suhao He

Mark Alan McDermott

Michael Thomas Murtagh

Hazel Benton Matthews, Iii

David Alan Seddon

Bruce Warren Reding

George Edward Berkey

Garrett Andrew Piech

Daniel Warren Hawtof

Dale Robert Powers

Ji Wang

Kamjula Pattabhirami Reddy

Klaus Hartkorn

David John Thompson

Steven Akin Dunwoody

Riley Saunders Freeland

Natesan Venkataraman

Douglas Llewellyn Butler

Andrey V Filippov

Bin Yang

Robert Stephen Wagner

Sasha Marjanovic

Aramais Robert Zakharian

Kenneth Richard Miller

Ching-Kee Chien

Christopher John Warren

Richard Curwood Peterson

Douglas Gregg Neilson

Rostislav Radiyevich Khrapko

Paul Andrew Chludzinski

John Stone, Iii

Xin Chen

Jianguo Wang

Bradley Jerome Blazer

Heather Debra Boek

James Andrew West

Gaozhu Peng

Adra Smith Baca

Jeffery Scott Stone

Keith Leonard House

Thorsten Rolf Boger

Brandon Robert Williamson

Huiqing Wu

Nicolas LeBlond

Yangbin Chen

Balram Suman

Alan Todd Parsons

Timothy Michael Gross

Matthew John Dejneka

Shandon Dee Hart

Qi Wu

Kenneth Edward Hrdina

Michael De Jong

Anne Germaine Bringuier

Jacob George

Weijun Niu

Davide Domenico Fortusini

Jeffery Alan DeMeritt

Andy Fenglei Zhou

William Edward Lock

Jason Thomas Harris

Patrick Joseph Cimo

Lewis Kirk Klingensmith

Thomas Richard Chapman

V Srikant

Denis Donlagic

Izhar Zahoor Ahmed

Dong Gui

Qijun Xiao

Sergey Yurevich Ten

Roy Joseph Bourcier

William Paul Ryszytiwskyj

Kochuparambil Deenamma Vargheese

Donald Kennedy Hall

Claudio Mazzali

John William Botelho

Helmut Schillinger

Douglas Hull Jennings

Joseph Edward McCarthy

John Edward Maxon

A coupler including a first end that optically couples with a plurality of single-core optical fibers, a second end that optically couples with a multi-core optical fiber, and a plurality of cores that each extends from the first end to the second end. The plurality of cores comprising a first core such that an outer diameter of the first core at the first end is larger than an outer diameter of the first core at the second end. The coupler further includes an outer cladding surrounding the plurality of cores and extending from the first end to the second end such that an outer diameter of the outer cladding at the first end is larger than an outer diameter of the outer cladding at the second end. Additionally, the coupler is a single, contiguous, conical glass member that tapers from the first end to the second end.

Low-loss coupling between single-core and multi-core fibers

A fiber coupling assembly for interfacing solid core and a hollow core optical fibers includes first and second fiber optic ferrules each having a bore between proximal and distal end faces thereof. At least one ferrule end face is non-perpendicular to longitudinal axes of the ferrules. A bore of one ferrule contains a hollow core optical fiber, and a bore of the other optic ferrule contains a solid core optical fiber with a mode field diameter (MFD) transition region, to bridge a MFD mismatch between the fibers. An air gap may be provided between at least portions of ferrules at an inter-ferrule region. A fiber optic ferrule includes a bore that is non-parallel with a longitudinal axis of the ferrule, and at least one end face that is non-perpendicular to the longitudinal axis, with an optical fiber in the bore optionally including a MFD transition region.

Fiber optic ferrule and interface for coupling hollow-core and solid-core optical fibers

A fiber optic connector that includes a connector body comprising a ferrule retaining portion, a pusher engagement portion and a body cable passage extending through the pusher engagement portion and the ferrule retaining portion. The connector includes a ferrule assembly structurally configured to be retained by the ferrule retaining portion with an optical fiber bore of the ferrule assembly in alignment with the body cable passage. The connector includes a pusher structurally configured to axially engage the pusher engagement portion with a pusher cable passage in alignment with the body cable passage, and a seal component with superabsorbent properties.

Fiber optic connectors and connectorized cable assembly with sealing components

A rollable optical fiber ribbon utilizing low attenuation, bend insensitive fibers and cables incorporating such rollable ribbons are provided. The optical fibers are supported by a ribbon body, and the ribbon body is formed from a flexible material such that the optical fibers are reversibly movable from an unrolled position to a rolled position. The optical fibers have a large mode filed diameter, such as ≥9 microns at 1310 nm facilitating low attenuation splicing/connectorization. The optical fibers are also highly bend insensitive, such as having a macrobend loss of ≤0.5 dB/turn at 1550 nm for a mandrel diameter of 15 mm.

Rollable optical fiber ribbon with low attenuation, large mode field diameter optical fiber and cable

A particulate filter having a honeycomb structure of a matrix of interconnected porous walls including inlet cells and outlet cells defining a plurality of inlet channels and outlet channels, respectively, wherein at least a portion of the outlet cells are larger than any of the inlet cells, and a cross-sectional shape of at least some of the outlet channels is rectangular. Honeycomb extrusion dies, honeycomb bodies, honeycomb structures, and methods of manufacture are described, as are other aspects.

Rectangular outlet honeycomb structures, particulate filters, extrusion dies, and method of manufacture thereof

A method of terminating an optical fiber having an inner core with a fiber optic connector including a ferrule having a micro-bore and an end face with a mating location is disclosed. The method includes determining a bore bearing angle of a bore offset of the micro-bore in the ferrule; determining a core bearing angle of a core offset of the inner core in the optical fiber; orienting the ferrule and the optical fiber relative to each other to minimize the distance between the inner core and the mating location; heating the ferrule to an processing temperature above room temperature; and coupling the optical fiber to the micro-bore of the ferrule. The size of the micro-bores and optical fibers may be selected to maximize the number of interference fits in a population of ferrules and optical fibers while minimizing failed fittings between the ferrules and optical fibers in the populations.

Method for making a low-loss fiber optic connector

A system for processing an optical fiber includes: a draw furnace, the draw furnace containing an optical fiber preform; a bare optical fiber drawn from the optical fiber preform, the bare optical fiber extending from the draw furnace along a process pathway; and a slow cooling device operatively coupled to and downstream from the draw furnace, the slow cooling device exposing the bare optical fiber to a slow cooling device process temperature in the range from 1000° C. to 1400° C., wherein the bare optical fiber passes through the slow cooling device at least two times.

Systems and methods for processing optical fiber

A honeycomb filter body comprises: a clean filter pressure drop of (P) and a clean filtration efficiency of (FE); a porous ceramic honeycomb body comprising a first end, a second end, and a plurality of walls having wall surfaces defining a plurality of inner channels, the porous ceramic honeycomb body comprising a base clean filter pressure drop (P) and a base clean filtration efficiency (FE); and a porous inorganic layer disposed on one or more of the wall surfaces of the porous ceramic honeycomb body.

Honeycomb filter bodies and particulate filters comprising honeycomb filter bodies

An optical fiber is provided that includes a core region and a cladding region. The core region is formed of silica glass doped with chlorine and/or an alkali metal. The cladding region surrounds the core region and includes an inner cladding directly adjacent to the core region, an outer cladding surrounding the inner cladding, and a trench region disposed between the inner cladding and the outer cladding in a radial direction. The trench region has a volume of about 30% Δ-micronor greater. Additionally, the optical fiber has an effective area at 1550 nm of about 100 micronor less.

Reduced diameter optical fiber with improved microbending

The optical fiber disclosed has a glass fiber including a core and a cladding. The core comprises silica glass doped with chlorine and having an outer radius rbetween 3.0 microns and 10.0 microns. The cladding has an outer radius rnot less than 50.0 microns. A primary coating surrounding the cladding has a thickness (r-r) between 5.0 microns and 20.0 microns, and an in situ modulus less than 0.30 MPa. A secondary coating surrounding the primary coating has a thickness (r-r) between 8.0 microns and 30.0 microns, a Young's modulus greater than 1500 MPa, and a normalized puncture load greater than 3.6×10g/micron. The optical fiber has a 22-meter cable cutoff wavelength less than 1530 nm, an attenuation at 1550 nm of less than 0.17 dB/km, and a bending loss at 1550 nm of less than 3.0 dB/turn.

Reduced coating diameter chlorine-doped silica optical fibers with low loss and microbend sensitivity

A coupled-core multicore optical fiber has a plurality of cores that are doped with alkali metals or chlorine to achieve low attenuation and a large effective area. The cores may be embedded in a common cladding region that may be fluorine doped. The cores may also be doped with chlorine, either with the alkali metals described above or without the alkali metals.

Ultra-low-loss coupled-core multicore optical fibers

An optical fiber curing component includes a first tube comprising a first body defining a first interior surface and a first exterior surface, the first tube defining a first aperture and a second aperture on opposite ends of a first cavity, wherein the first tube defines a central axis extending through the first cavity; light sources coupled to the first body of the first tube and configured to emit light toward the central axis of the first tube, wherein each of the light sources intersect a common plane defined perpendicular to the central axis of the first tube; a silica glass article, having an anti-reflective coating, disposed between each of the plurality of light sources and the central axis of the first tube; and a reflective coating positioned on the interior surface of the first body and configured to reflect the light toward the central axis of the first tube.

Methods and apparatuses for UV curing of optical fiber coatings

In some embodiments, an optical fiber transmission link, includes a length of dispersion compensating fiber (DCF), the dispersion compensating fiber coupled to a length of single-mode fiber (SMF) having a zero dispersion wavelength of 1300 nm to 1324 nm; wherein the optical fiber transmission link comprising the dispersion compensating fiber coupled to the single-mode fiber and operating at wavelengths between 1265 nm and 1375 nm increases maximum link lengths of the optical fiber transmission link by more than 60% as compared to the link length of the optical fiber transmission link with the single-mode fiber only; and wherein the maximum link length is calculated from the maximum allowed positive and negative accumulated dispersion at wavelengths between 1265 nm and 1375 nm.

Dispersion compensation fiber and dispersion compensation module

The disclosure provides optical fibers that exhibit low macrobend loss at 1550 nm at bend diameters between 10 mm and 40 mm. The relative refractive index profile of the fibers includes a trench cladding region with small depth, large width and a trench volume configured to minimize macrobend loss at large and small bend diameters. The optical fiber includes an outer cladding region that surrounds and is directly adjacent to the trench cladding region and an optional offset cladding region between the trench cladding region and the core region. In some embodiments, the trench cladding region has a relative refractive index that decreases monotonically from the inner radius to the outer radius. The monotonic decrease in relative refractive index may have a constant slope. The low macrobend loss at large and small diameters makes the optical fibers well suited for space-constrained deployment environments, such as data centers.

Optical fiber for data centers

Growing community of inventors

Painted Post, NY, United States of America

Pushkar Tandon