Corning Incorporated

Corning Research & Development Corporation

Avanex Corporation

Corning Incorporation

William Allen Wood

Ming-Jun Li

Karl William Koch, Iii

Wageesha Senaratne

Shandon Dee Hart

Aramais Robert Zakharian

Daniel Aloysius Nolan

George Edward Berkey

Xin Chen

Dmitri Vladislavovich Kuksenkov

Jiangwei Feng

Michal Mlejnek

Snigdharaj Kumar Mishra

James Andrew West

Shenping Li

John David Downie

Gang Qi

Cameron Robert Nelson

William James Miller

Luis Alberto Zenteno

Ji Wang

Eric John Mozdy

Carlo Anthony Kosik Williams

Joohyun Koh

Lin Lin

Frances M Smith

Nikolay Timofeyevich Timofeev

Ioannis Georgios Roudas

Zagorka Dacic Gaeta

Gregory G Luther

Leonard R Kent

Rachel S Mozdy

Corinne Elizabeth Isaac

Jinxin Huang

Atul D Pradhan

A substrate for a display article includes: a primary surface; a textured region on at least a portion of the primary surface, the textured region comprising surface features that reflect a random distribution, each of the surface features comprising a perimeter that is parallel to a base-plane extending through a thickness of the substrate below the textured region, wherein the perimeter is elliptical. The textured region can further include (i) one or more higher surfaces residing at a higher mean elevation from the base-plane and (ii) one or more lower surfaces residing at a lower mean elevation from the base-plane that is closer to the base-plane than the higher mean elevation. The higher mean elevation can differ from the lower mean elevation by a distance within a range of 0.05 μm to 0.70 μm.

Textured region of a substrate to reduce specular reflectance incorporating surface features with an elliptical perimeter or segments thereof, and method of making the same

A display article is described herein that includes: a substrate comprising a thickness and a primary surface; and the primary surface having defined thereon a diffractive surface region. The diffractive surface region comprises a plurality of structural features that comprises a plurality of different heights in a multimodal distribution. Further, the substrate exhibits a sparkle of less than 4%, as measured by pixel power deviation (PPD) at an incident angle of 0° from normal, a distinctness of image (DOI) of less than 80% at an incident angle of 20° from normal, and a transmittance haze of less than 20% from an incident angle of 0° from normal.

Display articles with diffractive, antiglare surfaces and methods of making the same

A substrate for a display article includes (a) a primary surface; and (b) a textured region on at least a portion of the primary surface, the textured region comprising: (i) one or more higher surfaces residing at a higher mean elevation parallel to a base-plane disposed below the textured region and extending through the substrate; (ii) one or more lower surfaces residing at a lower mean elevation parallel to the base-plane that is less than the higher mean elevation; and (iii) a high-index material disposed on each of the one or more lower surfaces residing at the lower mean elevation, the high-index material forming one or more intermediate surfaces residing at an intermediate mean elevation parallel to the base-plane that is greater than the lower mean elevation but less than the higher mean elevation, the high-index material comprising an index of refraction that is greater than the index of refraction of the substrate.

Textured region to reduce specular reflectance including a low refractive index substrate with higher elevated surfaces and lower elevated surfaces and a high refractive index material disposed on the lower elevated surfaces

A display article is described herein that includes: a substrate comprising a thickness and primary surface; a diffractive surface region defined by the primary surface; and an antireflective coating disposed on the diffractive surface region. The diffractive surface region comprises structural features that comprise different heights in a multimodal distribution. The substrate exhibits a sparkle of <4%, and a transmittance haze of <20%, each from an incident angle of 0°. The antireflection coating comprises a plurality of alternating high refractive index and low refractive index layers. Further, each of the low index layers comprises a refractive index of ≤about 1.8, and each of the high index layers comprises a refractive index of >1.8. The article exhibits a first-surface average visible specular reflectance of less than 0.2% at an incident angle of 20°, and a maximum hardness of ≥8 GPa in a Berkovich Indenter Hardness Test.

Display articles with diffractive, antiglare surfaces and thin, durable antireflection coatings

Non-contact methods of predicting an insertion loss of a test optical fiber connector are disclosed. Light is sent down the at least one optical fiber of the connector in the fundamental mode to emit an output light beam. The output-beam image is captured at different distances from the fiber end faces to define multiple output-beam images each associated with one of the multiple measurement positions. A Gaussian curve is then fitted to the multiple output-beam images to determine a mode field diameter, an offset, and a tilt of the output light beam. A Gaussian field model that incorporates the offset, the tilt, and the mode-field diameter is then used to predict the insertion loss when connecting to a reference optical fiber of a reference optical fiber connector.

Systems and methods for making a non-contact measurement of insertion loss for an optical fiber connector

A quasi-single-mode (QSM) optical fiber includes a core and a cladding surrounding the core. The core includes a centerline and an outer edge. The cladding includes an interior edge and an exterior edge. The cladding has a cladding outer diameter defined by the exterior edge of the cladding. The cladding outer diameter may be in the range of greater than 170 &#x3bc;m to about 200 &#x3bc;m. The QSM fiber has a cabled cutoff wavelength that is greater than about 1530 nm. The core and the cladding support a fundamental mode LPand a higher-order mode LP. The fundamental mode LPhas an effective area A.

Quasi-single-mode optical fiber

According to some embodiments an optical fiber comprising: (I) a silica based core having: an inner core region with maximum refractive index delta of the core, &#x394;in % measured relative to pure SiO&#x2264;0.1%, and an outer core region with a minimum refractive index delta &#x394;, where &#x394;&#x3c;&#x394;; such that the fiber has: (i) an effective area Aeffof LPmode at a wavelength &#x3bb;=1525 nm such that 80 &#x3bc;m&#x3c;Aeff&#x3c;250 &#x3bc;m; and (ii) an effective area Aeffof LPmode at wavelength &#x3bb;=1450 nm such that 60 &#x3bc;m&#x3c;Aeff, wherein

Raman-enhanced transmission fiber

An optical fiber comprising: (i) a core comprising silica and having a maximum relative refractive index delta &#x394;; and LP01 effective area &#x3e;100 &#x3bc;mat 1550 nm;

Optical fiber with macrobend loss mitigating layer

A fiber span comprising: a first optical fiber and a second optical fiber coupled to the first optical fiber, both fibers comprising the an inner core region with maximum refractive index delta, &#x394;&#x2266;0.1% and an outer radius R&#x3e;4.5 &#x3bc;m, an outer core region with an outer radius Rand a minimum refractive index delta &#x394;and alpha value &#x3b1;&#x2267;5, wherein &#x394;&#x3c;&#x394;, 5.5 &#x3bc;m&#x2266;R&#x2212;R&#x2266;12 &#x3bc;m; a cladding including a low index ring surrounding the core and a minimum refractive index delta &#x394;&#x3c;&#x394;; and an outer cladding having &#x394;&#x3e;&#x394;; the first fiber introducing differential mode delay DMDfor wavelengths between 1525 and 1570 nm such that |DMD|&#x2266;100 ps/km, and a first differential mode delay slope DMDS; the second fiber introducing differential mode delay DMDfor wavelengths between 1525 and 1570 nm such that |DMD|&#x2266;100 ps/km, and a second differential mode delay slope DMDSthat has an opposite sign from the first dispersion slope DMDS; wherein total differential mode delay provided by the first fiber in conjunction with the second fiber is DMD=DMD+DMD, and &#x2212;1.0 ps/km&#x3c;DMD&#x3c;1.0 for all wavelengths between 1525 nm and 1570 nm.

Optical fiber span with low differential mode delay

A quasi-single-mode optical fiber with a large effective area is disclosed. The quasi-single-mode fiber has a core with a radius greater than 5 &#x3bc;m, and a cladding section configured to support a fundamental mode and a higher-order mode. The fundamental mode has an effective area greater than 170 &#x3bc;mand an attenuation of no greater than 0.17 dB/km at a wavelength of 1530 nm. The higher-order mode has an attenuation of at least 1.0 dB/km at the wavelength of 1530 nm. The quasi-single-mode optical fiber has a bending loss of less than 0.02 dB/turn for a bend diameter of 60 mm for a wavelength of 1625 nm.

Quasi-single-mode optical fiber with a large effective area

Optical transmission systems and methods are disclosed that utilize a QSM optical fiber with a large effective area and that supports only two modes, namely the fundamental mode and one higher-order mode. The optical transmission system includes a transmitter and a receiver optically coupled by an optical fiber link that includes at least one section of the QSM optical fiber. Transmission over optical fiber link gives rise to MPI, which is mitigated using a digital signal processor. The QSM optical fiber is designed to have an amount of DMA that allows for the digital signal processor to have reduced complexity as reflected by a reduced number of filter taps as compared to if the DMA were zero.

Optical transmission systems and methods using a QSM large-effective-area optical fiber

An optical fiber for performing pulse stretching, and fiber laser systems and methods using the pulse-stretching fiber are disclosed. The pulse-stretching (PS) fiber has low fourth-order dispersion (dispersion curvature) and a third order dispersion (dispersion slope) with a small negative, nearly zero or small positive value. Two different types of fiber laser systems that use the PS fiber in a manner that achieves optimum performance are described. The PS fiber enables an all-fiber (up to the final pulse compressor) ultra-short pulsed laser systems reaching pulse energies exceeding 100 &#x3bc;J, average powers exceeding 100 W, and output pulse widths of less than 100 fs.

Pulse stretching optical fiber and related systems and methods

A dispersion compensating optical fiber is disclosed which is highly dispersive and which has a low effective area. The dispersion compensating optical fiber is suited for use with transmission optical fiber such as conventional single mode fiber. An optical transmission fiber and optical transmission system are also disclosed.

Highly dispersive dispersion compensating fiber for transmission fiber and transmission system utilizing same

The present invention provides a method and resulting device for producing a low-loss spectrally periodic all fiber filter by providing a multi-mode fiber capable of propagating an LP01 mode and an LP02 mode at wavelengths of interest and providing a single-mode fiber capable of propagating a fundamental mode at the wavelengths of interest and splicing a selected length of the multi-mode fiber between lengths of the single-mode fiber, where the properties of the multi-mode fiber and the single-mode fiber are related such that the optical field distribution resulting from the coherent superposition of the optical field of the LP01 mode and the optical field of the LP02 mode in the multi-mode fiber is sufficiently similar to the optical field distribution of the fundamental mode in the single-mode fiber at the wavelengths of interest, such that transmission across the two splices taken together at the wavelengths of interests is at least 70%, desirably at least 80% and most desirably at least 90%, and the extinction ratio of the filter is at least 10 dB. The method may also include the step of monitoring light passing through the spliced length of the multi-mode fiber while tapering the multi-mode fiber to adjust the spectral profile of the resulting filter.

Growing community of inventors

Painted Post, NY, United States of America

William Allen Wood