Abstract: A multi core optical fiber that includes a plurality of cores disposed in a cladding. The plurality of cores include a first core and a second core. The first core has a first propagation constant ?1, the second core has a second propagation constant ?2, the cladding has a cladding propagation constant ?0, and (I).

Abstract: An article includes an optical transforming layer and a guide region positioned inside and adjacent to at least a portion of a perimeter of the optical transforming layer. The guide region comprises an inlet end positioned adjacent to a first surface of the optical transforming layer and an outlet end positioned adjacent a second surface of the optical transforming layer. The guide region propagates light from the inlet end to the outlet end such that the light is directed from the first surface to the second surface. The guide region includes a phase-separated glass comprising a continuous network phase and a discontinuous phase. A relative difference in index of refraction between the continuous network phase and the discontinuous phase is greater than or equal to 0.3%. The discontinuous phase comprises elongated shaped regions aligned along a common axis and having an aspect ratio greater than or equal to 10:1.

Abstract: A multi core optical fiber that includes a plurality of cores disposed in a cladding. The plurality of cores include a first core and a second core. The first core has a first propagation constant ?1, the second core has a second propagation constant ?2, the cladding has a cladding propagation constant ?0, and (I).

Abstract: A non-contact system for measuring an insertion loss of a cable assembly with cable fibers includes a light source system that emits light and a launch connector supporting launch fibers. A detector system includes receive fibers supported by a receive connector. The detector system has detectors optically coupled to the receive fibers, with one detector directly optically coupled to the light source system for calibration. A first movable stage supports the launch connector and a second movable stage supports the receive connector. A launch optical system images output end faces of the launch fibers onto input end faces of the cable fibers of the cable assembly. A receive optical system images output end faces of the cable fibers onto input end faces of the receive fibers. The light exiting the receive fibers is detected and processed to determine the insertion loss of the cable assembly.

Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.

Abstract: A non-contact system for measuring an insertion loss of a cable assembly with cable fibers includes a light source system that emits light and a launch connector supporting launch fibers. A detector system includes receive fibers supported by a receive connector. The detector system has detectors optically coupled to the receive fibers, with one detector directly optically coupled to the light source system for calibration. A first movable stage supports the launch connector and a second movable stage supports the receive connector. A launch optical system images output end faces of the launch fibers onto input end faces of the cable fibers of the cable assembly. A receive optical system images output end faces of the cable fibers onto input end faces of the receive fibers. The light exiting the receive fibers is detected and processed to determine the insertion loss of the cable assembly.

Abstract: Optical assemblies, interconnection substrates and methods of forming optical links are disclosed. In one embodiment, an optical assembly includes a first waveguide substrate, a second waveguide substrate, and an interconnection substrate having a first end face, a second end face, and a laser written waveguide. The first waveguide substrate is coupled to the first end face of the interconnection substrate, and the first waveguide is optically coupled to the laser written waveguide. The laser written waveguide terminates at the second end face of the interconnection substrate. The second waveguide substrate is coupled to the second end face of the interconnection substrate such that the second waveguide is optically coupled to the laser written waveguide at the second end face.

Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.

Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.

Abstract: A traceable cable and method of forming the same. The cable includes at least one data transmission element, a jacket, and a side-emitting optical fiber. The side-emitting optical fiber includes a core having a first index of refraction and a cladding having a second index of refraction that is different than the first index of refraction. The cladding substantially surrounding the core and has an exterior surface with spaced apart scattering sites penetrating the exterior surface. The scattering sites are capable of scattering light so that the scattered light is emitted from the side-emitting optical fiber at discrete locations. The core also includes one or more mode coupling features capable of changing at least some low order mode light in the side-emitting optical fiber to high order mode light, thereby increasing light emitted from the scattering sites.

Abstract: A multicore optical fiber that includes seventeen cores arranged in a hexagonally close-packed configuration, each core having a core center and comprising silica and an up-dopant; and a cladding region surrounding the seventeen cores, the cladding region having a cladding edge, an outer diameter, and a cladding composition comprising silica. The outer diameter of the cladding region is between about 100 microns and 150 microns. Further, the hexagonally close-packed configuration has bi-lateral symmetry to accommodate bi-directional data flow within the fiber.

Abstract: Disclosed are interposer including an interposer coupling assemblies for communicating optical signals to an integrated circuit and other interposer structures having an optical interface for optical connections. In one embodiment, the interposer coupling assembly includes a connector attachment saddle having an optical alignment structure, an optical pathway that includes a GRIN lens, and an optical signal turning element adjacent to the GRIN lens. The interposer coupling assembly may be optically attached to an integrated circuit or a base that is attached to an integrated circuit to form an interposer structure that allows high-speed data transfer. Also disclosed are complimentary optical assemblies that may be optically connected to the interposer coupling assembly.

Abstract: An organic light emitting diode (OLED) device having enhanced light extraction is disclosed. The OLED device includes an upper waveguide structure having an organic layer and supports first guided modes, and a lower waveguide structure with a light-extraction waveguide that supports second guided modes substantially matched to the first guided modes. The lower waveguide structure includes a light-extraction waveguide interfaced with a light-extraction matrix. The light-extraction waveguide includes one or more light-redirecting features. The upper and lower waveguide structures are configured to facilitate mode coupling from the first guided modes to the second guide modes while substantially avoiding coupling the first guided modes to surface plasmon polaritons. The light traveling in the second guided modes is redirected to exit the OLED device by light-redirecting features of the light-extraction waveguide.

Abstract: A beam-shaping optical system suitable for use with optical coherence tomography including a sheath defining a central cavity, a beam-shaping insert defining a beam-shaping element positioned within the central cavity, and an optical fiber having a core and a cladding. The optical fiber defines an angularly prepared fiber end configured to emit an electromagnetic beam toward the beam-shaping element with the core of the optical fiber locally expanded at the fiber end.

Abstract: A traceable cable and method of forming the same. The cable includes at least one data transmission element, a jacket, and a side-emitting optical fiber. The side-emitting optical fiber includes a core having a first index of refraction and a cladding having a second index of refraction that is different than the first index of refraction. The cladding substantially surrounding the core and has an exterior surface with spaced apart scattering sites penetrating the exterior surface. The scattering sites are capable of scattering light so that the scattered light is emitted from the side-emitting optical fiber at discrete locations. The core also includes one or more mode coupling features capable of changing at least some low order mode light in the side-emitting optical fiber to high order mode light, thereby increasing light emitted from the scattering sites.

Abstract: An optical coupling device includes a multi-core fiber alignment station, a single-mode fiber alignment station, and a furcation lens assembly. The multi-core fiber alignment station and single-mode fiber alignment station include alignment hardware configured to position optical fibers at fixed positions relative to an optical axis of the furcation lens assembly. The furcation lens assembly includes a furcating and projecting axicon surfaces that are rotationally invariant and are configured such that optical modes of an optical fiber aligned in one of the fiber alignment stations are spatially separated and substantially telecentrically mapped to corresponding optical modes of optical fibers aligned in the other fiber alignment station.

Abstract: An apparatus for light diffraction and an organic light emitting diode (OLED) incorporating the light diffraction apparatus is disclosed. An apparatus for light diffraction may comprise an optional planarization layer, a transparent substrate, a waveguide layer. The planarization layer may have a refractive index of ns. The transparent substrate may have a refractive index of ng. The waveguide layer may have a refractive index nw distributed over of the transparent substrate. The waveguide layer may comprise a binding matrix, at least one nanoparticle. The waveguide layer may be interposed between the transparent substrate and the optional planarization layer.

Abstract: A multicore optical fiber that includes seventeen cores arranged in a hexagonally close-packed configuration, each core having a core center and comprising silica and an up-dopant; and a cladding region surrounding the seventeen cores, the cladding region having a cladding edge, an outer diameter, and a cladding composition comprising silica. The outer diameter of the cladding region is between about 100 microns and 150 microns. Further, the hexagonally close-packed configuration has bi-lateral symmetry to accommodate bi-directional data flow within the fiber.

Abstract: A beam-shaping optical system suitable for use with optical coherence tomography including a sheath defining a central cavity, a beam-shaping insert defining a beam-shaping element positioned within the central cavity, and an optical fiber having a core and a cladding. The optical fiber defines an angularly prepared fiber end configured to emit an electromagnetic beam toward the beam-shaping element with the core of the optical fiber locally expanded at the fiber end.

Abstract: An expanded beam optical connector including a connector body, an optical element in the form of a waveguide or active device, a beam width altering optical lens, and a transmit/receive window. The optical element, the beam width altering optical lens, and the transmit/receive window are configured such that optical signals propagate between the optical element and the transmit/receive window via the beam width altering optical lens. The transmit/receive window includes an optical medium that forms an interior surface of the transmit/receive window, an optical transition layer between the interior surface formed by the optical medium, and a protective layer forming an exterior surface of the transmit/receive window. The connector body is configured to place the exterior surface of the transmit/receive window in close contact with a mating exterior surface of a mating transmit/receive window of a complementary optical device to define a close contact portion.