Corning Incorporated

Jeffery Scott Stone

Ming-Jun Li

Richard Michael Fiacco

V Srikant

Dana Craig Bookbinder

Gang Qi

Sergey Yurevich Ten

Haitao Zhang

Lei Jiang

Pushkar Tandon

Yunfeng Gu

Scott Robertson Bickham

Stephan Lvovich Logunov

Snigdharaj Kumar Mishra

Xin Chen

Qi Wu

Kenneth Edward Hrdina

Anping Liu

Shenping Li

Gaozhu Peng

Michael John Moore

Chunfeng Zhou

Michael B Cain

Jun Hou

Michael James Lehman

Nicolas LeBlond

Chunhe Zhang

Curtis Richard Cowles

Mandakini Kanungo

Kangmei Li

Shiva Kumar

Daniel Arthur Sternquist

Jonas Bankaitis

Simit Mayank Patel

Vaidyanathan Srikant

Minghan Chen

Philip Simon Brown

Xiaoming Luo

Paul Jeffrey Williamson

Matthew Artus Tuggle

Matthew Ryan Drake

Jason Roy Pace

Timothy James Orcutt

Joseph Edward Mccarthy

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 silica-based substrate includes a glass phase and a dispersed phase having carbon, such that the silica-based substrate has a thickness of at least 10 gm. Also disclosed is a method of forming a silica-based substrate, the method including contacting a porous silica soot preform with an organic solution having at least one hydrocarbon precursor to form a doped silica soot preform and heating the doped silica soot preform in an inert atmosphere to form the silica-based substrate.

Carbon-doped silicon dioxide glass and methods of manufacturing thereof

According to embodiments, a method of making a microstructured glass article includes bundling M bare optical fibers in a fiber bundle, wherein M is an integer greater than 100. Thereafter, the fiber bundle may be inserted in a cavity of a soot preform. The soot preform may have a density of less than or equal to 1.5 g/cmand comprise silica-based glass soot. The soot preform and inserted fiber bundle may then be consolidated to form a microstructured glass article preform. The microstructured glass article preform may then be drawn into the microstructured glass article comprising M core elements embedded in a cladding matrix.

Microstructured glass articles with at least 100 core elements and methods for forming the same

A method for forming an optical glass preform from a soot preform is provided. The method includes forming a soot preform, placing the soot preform in a furnace, and applying a vacuum through a centerline hole of the soot preform.

Method for reducing processing time for optical fiber preforms

An optical fiber can include a core comprising silica co-doped with nitrogen and chlorine and an outer cladding surrounding the core. In some aspects, the core can be characterized by an annealing temperature of less than or equal to about 1150&#xb0; C. and/or the core can include a relative refractive index &#x394;in a range of from about 0.15% to about 0.45%.

Optical fiber with nitrogen and chlorine co-doped core

According to embodiments, a method of making a micro structured glass articleincludes bundling M bare optical fibers in a fiber bundle, wherein M is an integer greater than 100. Thereafter, the fiber bundle may be inserted in a cavity of a soot preform. The soot preform may have a density of less than or equal to 1.5 g/cm3 and comprise silica-based glass soot. The soot preform and inserted fiber bundle may then be consolidated to form a microstructured glass article preform. The micro structured glass article preform may then be drawn into the microstructured glass articlecomprising M core elementsembedded in a cladding matrix

A multimode optical fiber having a core region. The core region includes silica, has an outer radius r, and has a maximum relative refractive index of about 1.5% or less. Additionally, the multimode optical fiber is configured to have an effective bandwidth of about 4.7 GHz-Km or greater for an excited portion of the core region that has a diameter greater than 50 microns, the effective bandwidth being at a wavelength that is within a range of between about 800 and about 1370 nm.

Multimode optical fiber with increased bandwidth

A high-density optical fiber ribbon is formed by two or more cladding-strengthened glass optical fibers each having an outer surface and that do not individually include a protective polymer coating. A common protective coating substantially surrounds the outer surfaces of the two or more cladding-strengthened glass optical fibers so that the common protective coating is common to the two or more cladding-strengthened glass optical fibers. A fiber ribbon cable is formed by adding a cover assembly to the fiber ribbon. A fiber ribbon interconnect is formed adding one or more optical connectors to the fiber ribbon or fiber ribbon cable. Optical data transmission systems that employ the fiber ribbon to optically connect to a photonic device are also disclosed. Methods of forming the cladding-strengthened glass optical fibers and the high-density optical fiber ribbons are also disclosed.

High-density optical fiber ribbon with cladding-strengthened glass optical fibers in a common protective coating and fiber ribbon interconnects employing same

Multimode optical fibers are disclosed herein. In some embodiment disclosed herein, a multimode optical fiber having a bandwidth of greater than 2 GHz&#xb7;km includes: a glass matrix having a front endface, a back endface, a length (L), a refractive index nand a central axis (AC); and a plurality of cores arranged within the glass matrix, wherein the plurality of cores run generally parallel to the central axis between the front and back endfaces and having respective refractive indices n, wherein n&#x3e;n, wherein the glass matrix serves as a common cladding for the plurality of cores so that each core and the common cladding define a waveguide, wherein each core is a single mode at an operating wavelength; and wherein any two cores have an center-to-center spacing s of 3 &#x3bc;m to 20 &#x3bc;m and a coupling coefficient of greater than 10 mbut less than 200 m.

Coupled multicore optical fiber

Methods of manufacturing multi-mode optical fiber, and multi-mode optical fiber produced thereby, are disclosed. According to embodiments, a method for forming an optical fiber may include heating a multi-mode optical fiber preform and applying a draw tension to a root of the multi-mode optical fiber preform on a long axis of the multi-mode optical fiber preform thereby drawing a multi-mode optical fiber from the root of the multi-mode optical fiber preform. The draw tension may be modulated while the multi-mode optical fiber is drawn from the root of the multi-mode optical fiber preform. Modulating the draw tension introduces stress perturbations in the multi-mode optical fiber and corresponding refractive index perturbations in a core of the multi-mode optical fiber.

Multi-mode optical fiber and methods for manufacturing the same

An optical fiber, comprising: (i) a core, (ii) a cladding surrounding the core, (iii) at least one stress member adjacent the fiber core and situated within the cladding, said stress member comprising silica doped with F.

Polarization maintaining optical fiber

A mode division multiplexing system that includes a transmitter system, a receiver system and an optical link that optically connects the transmitter and receiver systems. The optical link includes a rectangular-core optical fiber having a rectangular core with a short dimension and a long dimension. The rectangular-core optical fiber supports only a single mode in the short dimension and multiple modes in the long dimension. A method of transmitting optical signals includes converting single mode optical signals to respective multimode optical signals each having a select spatial mode as defined by the rectangular-core optical fiber. The multimode optical signals are multiplexed and transmitted from the transmitter system to the receiver system over the rectangular-core optical fiber where the multimode optical signals are demultiplexed and converted back to single mode optical signals, which are then detected by respective receivers. A rectangular-core optical fiber is also disclosed.

Mode division multiplexing systems and methods using a rectangular-core optical fiber

The single-mode optical fibers have a core region that includes an inner core region having a delta value &#x394;and a radius rimmediately surrounded by an outer core region of radius rand a delta value &#x394;&#x3c;&#x394;, wherein &#x394;-&#x394;is in the range from 0.3% to 2%. A cladding region of radius rimmediately surrounds the core region. The inner and outer regions define an annular width &#x3b4;r=r&#x2212;r. At least one of r, r, &#x3b4;r and rchanges with a period p in the longitudinal direction between first and second values each having a corresponding level distance d. The change occurs over a transition distance dsuch that d/d&#x3c;0.1. The Brillouin frequency shift &#x394;f changes by an amount &#x3b4;[&#x394;f] that is least 10 MHz over each period p, thereby allowing for Brillouin frequency-shift management in fiber-based sensor systems.

Single mode optical fibers with Brillouin frequency-shift management

Multicore optical fibers are disclosed that have randomly arranged cores within a cladding matrix. In some cases, the cores are defined by air lines formed in a glass matrix. The cores can have an edge-to-edge spacing designed so that the multicore optical fiber operates in either a weak-coupling regime or a strong-coupling regime. Imaging systems and optical fiber communication systems that utilize the multicore fibers disclosed here are also presented.

Multicore optical fiber with a randomized core structure

Described herein are aqueous acidic glass etching solutions or media comprising HF and HSO, wherein HF is present in concentrations not exceeding about 1.3M. The etching solutions are used to treat glass articles such as thin glass sheets at above-ambient temperatures to etch slight thicknesses of surface glass therefrom, the etching solutions exhibiting improved stability against dissolved glass precipitation and rapid glass removal rates at slightly elevated temperatures.

Growing community of inventors

Addison, NY, United States of America

Jeffery Scott Stone