Corning Incorporated

Corning Optical Communications LLC

Corning Research & Development Corporation

Corning Cable Systems

Harvard College

University of Pittsburgh

Uv Partners, Inc.

Dawes, Steven Bruce

Kouzmina, Inna Igorevna

Bookbinder, Dana Craig

Tandon, Pushkar

Ocampo, Manuela

Li, Ming-Jun

Ming-Jun Li

Dana Craig Bookbinder

Pushkar Tandon

Xin Chen

Scott Robertson Bickham

Daniel Aloysius Nolan

Snigdharaj Kumar Mishra

Joohyun Koh

Jeffery Scott Stone

Ji Wang

George Edward Berkey

Anping Liu

Steven Bruce Dawes

Luis Alberto Zenteno

Shenping Li

Gaozhu Peng

Qi Wu

Donnell Thaddeus Walton

Richard Michael Fiacco

Kevin Wallace Bennett

Aramais Robert Zakharian

William Allen Wood

Dale Robert Powers

Ruchi Sarda Tandon

Manuela Ocampo

Douglas Llewellyn Butler

Alan Frank Evans

Stuart Gray

John Douglas Coleman

Stephan Lvovich Logunov

David Alan Seddon

Kenneth Edward Hrdina

Bruce Warren Reding

John David Downie

Michael Thomas Murtagh

Daiping Ma

Mark Alan McDermott

Dennis Michael Knecht

Federico Capasso

Terry Lee Cooke

William James Miller

Daniel Warren Hawtof

Sean Matthew Garner

Bradley Jerome Blazer

Robert Adam Modavis

Wendell Porter Weeks

Xinghua Li

James Andrew West

Joel P Carberry

Chunfeng Zhou

Yanming Liu

Barada Kanta Nayak

Gang Qi

David Kinney Smith

Olus Naili Boratav

Alranzo Boh Ruffin

Michael Heath Rasmussen

Jun Yang

Donald Kennedy Hall

David W Baarman

Jacques Gollier

Nicholas Francis Borrelli

Ying Geng

Robert R Alfano

Steven Edward DeMartino

Shandon Dee Hart

James Scott Sutherland

Michael Edward Badding

John Stephen Peanasky

Vitor Marino Schneider

Alexander Mikhailovich Streltsov

Jianguo Wang

Christopher Lee Timmons

Anne Germaine Bringuier

Andrey V Filippov

Dmitri Vladislavovich Kuksenkov

Gary Richard Trott

Naiyue Zhou

Weijun Niu

Michael Thomas Gallagher

Davide Domenico Fortusini

Eric John Mozdy

Andy Fenglei Zhou

Nikolaos Pantelis Kladias

Paul Francis Michaloski

Patrick Joseph Cimo

Yunfeng Gu

Richard Edward Wagner

Keith Leonard House

V Srikant

Ching-Kee Chien

Peng Kevin Chen

James C Fajardo

Christopher Scott Thomas

Lars Martin Otfried Brusberg

David John McEnroe

Sergey Yurevich Ten

Steven Akin Dunwoody

Thomas Philip Seward, Iii

Rostislav Radiyevich Khrapko

Disclosed herein is a fiber optic system including at least one fiber optic cable assembly having a multimode optical fiber for communication of an optical data signal at an operating wavelength and a devices having a single-mode fiber stub with a mode field diameter within 20% of the mode field diameter of the fundamental mode of the multimode optical fiber at the operating wavelength. The single-mode fiber stub is secured to a ferrule, and a center of a core of the single-mode fiber stub is within 0.5 μm of a center of the ferrule. An end of the single-mode fiber stub that extends to or beyond the back end of the ferrule and forms an optical connection with the multimode optical fiber where the center of the single-mode fiber stub is within 2 μm of a center of the multimode optical fiber.

Fiber optic system with multimode optical fiber cables and fiber connections with mode-matching single-mode fiber devices

In embodiments, a mode selective optical fiber coupler may include a first propagation waveguide and a second propagation waveguide joined along a coupling length L. The first propagation waveguide and the second propagation waveguide may be tapered from an input face and an output face of the coupler to a midpoint of the coupler. An LP01 mode of an optical signal with a wavelength of 800-950 nm coupled into the first propagation waveguide propagates through the first propagation waveguide and is emitted from the first propagation waveguide. An LP01 loss of the coupler at the output face is less than 1.0 dB. An LP11 mode of the optical signal coupled into the first propagation waveguide is cross-coupled to the second propagation waveguide and is emitted from the second propagation waveguide. An LP11 loss of the coupler at the output face is less than 1.5 dB.

Mode-selective optical fiber couplers

A hollow-core optical fiber may include a hollow core extending along a central longitudinal axis of the fiber; a substrate; a plurality of first cladding elements spaced apart from each other and positioned between the hollow core and the substrate, each of the first cladding elements extending in a direction parallel to the central longitudinal axis of the fiber, each of the first cladding elements including a first capillary; and a plurality of second cladding elements spaced apart from each other and positioned between the hollow core and the substrate, each of the second cladding elements extending in a direction parallel to the central longitudinal axis of the fiber, each of the second cladding elements including a second capillary. Each of the first cladding elements directly contacts the inner surface of the substrate, and none of the second cladding elements directly contacts the inner surface of the substrate.

Hollow-core optical fibers

In one embodiment, a multicore optical fiber stub includes a plurality of optical cores, each optical core having an inner core and an outer core, and a fiber coupling section having a first diameter. The plurality of optical cores has a first pitch at the fiber coupling section. Each core at the fiber coupling section has a first index profile. The multicore optical fiber stub also includes a multicore fiber coupling section having a second diameter less than the first diameter. The plurality of optical cores has a second pitch at the multicore fiber coupling section that is less than the first pitch. Each core at the multicore fiber coupling section has a second index profile. The multicore optical fiber stub further includes a taper section between the first pitch at the fiber coupling section and the second pitch at the multicore fiber coupling section. The taper section has a taper ratio of less than 4.

Multicore fiber stubs, multicore fan-in, fan-out devices, and methods of fabricating the same

A hollow-core optical fiber may include a substrate having a tubular shape and an inner surface surrounding a central longitudinal axis of the hollow-core optical fiber; a hollow core extending through the substrate along the central longitudinal axis of the hollow-core optical fiber; and a plurality of cladding elements positioned between the central longitudinal axis of the hollow-core optical fiber and the substrate. Each of the plurality of cladding elements may extend in a direction parallel to the central longitudinal axis of the hollow-core optical fiber. Each of the plurality of cladding elements may include a wound glass sheet configured as a spiral, and each of the plurality of cladding elements may contact an interior surface of the substrate.

The present disclosure relates to methods of assembling a lensed optical fiber array by printing in situ a lens onto each optical fiber of an optical fiber array with an ultrafast laser system where the lens can be shaped to the optical fiber end face to reduce pitch mismatch. In some embodiments, optical fiber(s) of the optical fiber array can be cleaved, and the lens can be shaped to the optical fiber end face to reduce pitch mismatch.

Laser printed lensed optical fibers and associated methods

Systems, devices, and techniques for performing wavelength division multiplexing or demultiplexing using one or more metamaterials in an optical communications systems are described. An optical device may be configured to shift one or more phase profiles of an optical signal using one or more stages of metamaterials to multiplex or demultiplex wavelengths of optical signals. The optical device may be an example of a stacked design with two or more stages of metamaterials stacked on top of one another. The optical device may be an example of a folded design that reflects optical signals between different stages of metamaterials.

Wavelength multiplexer/demultiplexer using metamaterials for optical fiber communications

An anti-resonant hollow core optical fiber preform that includes an outer cladding, a plurality of structural tubes, and a central support tube. The outer cladding has a length, a central longitudinal axis, and a hollow interior. The plurality of structural tubes are disposed within the hollow interior of the outer cladding, the plurality of structural tubes each having a length that extends the length of the outer cladding. And the central support tube is disposed within the hollow interior of the outer cladding such that the plurality of structural tubes are disposed radially outward of the central support tube, the central support tube having a length that extends along the central longitudinal axis of the outer cladding. Furthermore, the length of the central support tube is less than the length of the outer cladding.

Anti-resonant hollow core optical fiber and methods of making

A method including transmitting an intensity-modulated light through a mode conditioner to generate a mode-conditioned intensity-modulated light in one or a plurality of launch conditions and transmitting the mode-conditioned intensity-modulated light through a multimode optical fiber under test (FUT) to excite a plurality of modes of the FUT. The method further includes converting the mode-conditioned intensity-modulated light transmitted through the FUT into an electrical signal, measuring, based on the electrical signal, a complex transfer function CTF(f) of the FUT, and obtaining an output pulse based on the measured complex transfer function CTF(f) from one or a plurality of launch conditions and an assumed input pulse using the equation: P(t)=(CTF(f)*(P(t))). Wherein, P(t) is the output pulse,(CTF(f)*(P(t))) is the inverse Fourier transform of the function CTF(f)*(P(t)), and(P(t)) is the Fourier transform of the assumed input pulse. Additionally, the method includes calculating modal bandwidth of the FUT based on P(t).

Frequency domain method and system for measuring modal bandwidth, chromatic dispersion, and skew of optical fibers

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

Disclosed herein are embodiments of an illuminator for disinfecting a surface. The surface defines a first plane. The illuminator includes a line emitter configured to emit light in a continuous line along at least a portion of at least one edge of the surface. The light has a peak wavelength in a range of 100 nm to 400 nm. The illuminator also includes a curved reflector surface and an exit aperture defining a second plane transverse to the first plane. The line emitter is positioned between the curved reflector surface and the exit aperture, and the curved reflector surface is configured to redirect the light from the line emitter through the exit aperture across the surface.

Surface illuminator having a line emitter and configured to disinfect a surface

In one embodiment, a multicore optical fiber connector adapter includes at least one multicore optical fiber stub that includes a plurality of optical cores, each optical core having an inner core and an outer core, a fiber coupling section having a first diameter, wherein the cores have a first pitch at the fiber coupling section, a multicore fiber coupling section having a second diameter that is less than the first diameter, wherein the cores have a second pitch at the multicore fiber coupling section that is less than the first pitch, and a taper section between the fiber coupling section and the multicore fiber coupling section. The multicore optical fiber connector adapter further includes at least one multicore ferrule comprising a passageway, a multicore connector, a plurality of optical fibers, and a multi-fiber ferrule.

Multicore optical fiber connector adapters

An optical system, comprising: (i) multiple input optical fibers; (ii) an optical mode multiplexer/demultiplexer coupled to said input optical fibers with, said optical mode multiplexer/demultiplexer comprising a plurality of metamaterial structures having length and forming at least one stage of metamaterials, the at least one stage of metamaterials is being situated on a surface of the optical mode multiplexer/demultiplexer facing the input optical fibers, and the at least one stage of metamaterials is oriented at angles between 60 and 120 degrees relative to the axis of the input fibers; and the metasurfaces are structured to receive a first optical signal having a first mode from at least one of said multiple input optical fibers and convert the first mode to a different mode.

Mode multiplexer/demultiplexer using metamaterials for optical communication system, and optical communication

The optical fibers disclosed have single mode and few mode optical transmission for VCSEL-based optical fiber transmission systems. The optical fibers have a cable cutoff wavelength λof equal to or below 1260 nm thereby defining single mode operation at a wavelength in a first wavelength range greater than 1260 nm and few-mode operation at a wavelength in a second wavelength range from 970 nm and 1070 nm. The mode-field diameter is in the range from 9.3 microns to 10.9 microns at 1550 nm. The optical fibers have an overfilled bandwidth OFL BW of 1 GHz·km to 3 GHz·km at the at least one wavelength in the second wavelength range. VCSEL based optical transmission systems and methods are disclosed that utilize both single core and multicore versions of the optical fiber.

Optical fibers for single mode and few mode VCSEL-based optical fiber transmission systems

Methods of forming a bandwidth-tuned optical fiber for short-length data transmission systems include establishing a relationship between a change Δτ in a modal delay τ, a change ΔT in a draw tension T and a change Δλ in a BM wavelength λ of light in a BM wavelength range from 840 nm and 1100 nm for a test optical fiber drawn from a preform and that supports BM operation at the BM wavelength. The methods also include drawing from either the preform or a closely related preform the bandwidth-tuned optical fiber by setting the draw tension based on the established relationships of the aforementioned parameters so that the bandwidth-tuned optical fiber has a target bandwidth greater than 2 GHz·km at a target wavelength within the BM wavelength range.

Tension-based methods for forming bandwidth tuned optical fibers for bi-modal optical data transmission

Growing community of inventors

Horseheads, NY, United States of America

Ming-Jun Li