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: The present disclosure relates to a system for making or assembling fiber optic connectors that allows a pre-terminated fiber optic cable to be made compatible with any number of different styles or types after optic connectors or fiber optic adapters. The present disclosure also relates to a fiber optic connector having first and second pieces connected to twist-to-engage interface and also including a rotational interlock. The present disclaimer relates to a fiber optic connector having a boot that mounts in multiple different axial positions.

Abstract: A fiber optic terminal having a radio access node for providing wireless connectivity within a coverage area. The fiber optic terminal can also include active modules capable of gathering data and reporting the data to a network operator. The active modules can be accommodated at the exterior of a terminal and may gather data such as information relating to the environment of the terminal. Active terminals can also be accommodated within the terminal and can gather and/or process information such as an operating status of a network, terminal operating status, and other information.

Abstract: In an embodiment, a phase shifter includes: a light input end; a light output end; a p-type semiconductor material, and an n-type semiconductor material contacting the p-type semiconductor material along a boundary area, wherein the boundary area is greater than a length from the light input end to the light output end multiplied by a core width of the phase shifter.

Abstract: A telecommunications panel assembly (10) includes a chassis (14) defining a front (16), a top (20), a bottom (22), and two sides (24) and a plurality of adapter mounting modules (26) mounted to the chassis (14) at the front (16), each adapter mounting module (26) including a plurality of fiber optic adapters (36) mounted in a line. At least one of the adapter mounting modules (26) is mounted to the chassis (14) with a pair of supports (50) that are pivotable with respect to the at least one adapter module (26) such that the at least one adapter module (26) is removable from the chassis (14) and remountable at a position spaced linearly apart from another of the adapter mounting modules (26), wherein all of the adapter mounting modules (26) are also pivotally mounted about horizontal rotation axes (42) extending parallel to the top (20) and bottom (22) and transversely to the sides (24).

Abstract: An optical fiber ribbon includes a plurality of optical fiber cores arranged in parallel in a direction orthogonal to a longitudinal direction of the optical fiber cores, and a coupling member configured to couple the plurality of optical fiber cores. In the optical fiber ribbon, a plurality of coupled sections and a plurality of separate sections are alternately provided in the longitudinal direction. Each of the plurality of coupled sections is in a state in which all of the adjacent optical fiber cores are coupled by the coupling member. Each of the plurality of separate sections is in a state in which at least two of the optical fiber cores adjacent to each other are not coupled by the coupling member.

Abstract: Photonic device, system and methods of making photonic devices and systems, the method including: providing a substrate, forming an insulator layer over the substrate, depositing a plurality of waveguide layers and a plurality of insulator spacers at different vertical levels over the insulator layer, wherein adjacent waveguide layers in the plurality of waveguide layers are isolated by one or more insulator spacers in the plurality of insulator spacers, and forming a plurality of waveguide patterns at the plurality of waveguide layers, wherein at least two waveguide patterns at different vertical levels in the plurality of waveguide patterns are coupled.

Abstract: The present disclosure relates to a fiber management device or system for facilitating routing and storing optical fibers. The fiber management device includes a flexible, film-like substrate that has optical fiber management, storing functionality, and splicing functionality all on one film-like substrate. The flexible, film-like substrate can provide a routing path for routing optical fibers onto a flexible planar substrate that can be temporarily supported by, mounted on or attached to the flexible planar substrate. The flexible, film-like substrate can accommodate fibers that are in a multi-fiber (e.g., ribbon) configuration or a single fiber configuration.

Abstract: Structures for an edge coupler and methods of fabricating a structure for an edge coupler. The structure comprises an edge coupler including a first waveguide core and a second waveguide core. The first waveguide core is positioned in a vertical direction between the second waveguide core and a substrate. The first waveguide core has a first longitudinal axis, the second waveguide core has a second longitudinal axis, and the second longitudinal axis of the second waveguide core is slanted at an angle relative to the first longitudinal axis of the first waveguide core.

Abstract: A recessed portion in a semiconductor substrate and a method of forming the same are provided. The method comprises: forming a mask on the semiconductor substrate; forming a protection layer on a top surface of the mask and on at least one sidewall of the mask, and on at least one surface of the semiconductor substrate exposed by the mask; performing a first etching process to remove the protection layer on the top surface of the mask and on a bottom surface of the semiconductor substrate exposed by the mask; and performing a second etching process to remove the remaining protection layer and to etch the semiconductor substrate to form the recessed portion. In this way, a recessed portion with relatively smooth and vertical sidewalls can be realized.

Abstract: An optical modulator may include a lower waveguide, an upper waveguide, and a dielectric layer disposed therebetween. When a voltage potential is created between the lower and upper waveguides, these layers form a silicon-insulator-silicon capacitor (also referred to as SISCAP) guide that provides efficient, high-speed optical modulation of an optical signal passing through the modulator. In one embodiment, at least one of the waveguides includes a respective ridge portion aligned at a charge modulation region which may aid in confining the optical mode laterally (e.g., in the width direction) in the optical modulator. In another embodiment, ridge portions may be formed on both the lower and the upper waveguides. These ridge portions may be aligned in a vertical direction (e.g., a thickness direction) so that ridges overlap which may further improve optical efficiency by centering an optical mode in the charge modulation region.

Abstract: An optical element is provided. The optical element may comprise a material, the material being a matrix and a set of particles included in the matrix, the material having a molar fraction of SiO2 higher than or equal to 65 percent, each particle having a dimension smaller than or equal to 80 nanometers.

Abstract: Disclosed is an optoelectromechanical switch that includes: an optical feedline disposed on an isolation substrate that receives resonator light that is subject to optical communication to a resonator when a cavity length of the resonator supports an electromagnetic mode at the wavelength of the resonator light; a resonator including: a low refractive index optical layer and receives substrate electrical counter potential; a non-conductive spacer; the electrically conductive membrane and that receives a membrane electrical potential and deflects toward and away from the electrically conductive high-index optical waveguide based on a difference in potential between the membrane electrical potential and the substrate electrical counter potential; the cavity length that is variable and under electromechanical control.

Abstract: A fiber optic connector and cable assembly includes a cable with one or more strength members secured to a connector that is connectable to both a hardened and a non-hardened fiber optic adapter. The cable can include multiple cable types with various shapes and strength member configurations. The connector includes a connector housing having a one-piece main body and a cover piece mounted thereon. The one-piece main body defines a plug portion compatible with the adapters. A ferrule assembly is mounted in the plug portion and biased outwardly by a spring. An insert within the connector housing includes a spring stop for holding the spring and a cable retention portion for securing the strength members of the cable. The spring stop and the cable retention portion can be included on a one-piece insert or they can separately be included on separate inserts.

Abstract: Devices, assemblies and methods for fixing telecommunications cables. The cable fixation assemblies include cable support bodies adapted to anchor yarn strength members. A rod strength member adapter can be coupled to the cable support body to anchor a rod strength member such that the same cable support body is adapted to fix both a cable having a yarn strength member and a cable having a rod strength member.

Abstract: Cable fixation assemblies for telecommunications systems. A cable support body of a cable fixation assembly defines a tie wrap passage. The tie wrap passage includes features that can improve tie wrap tightening control and/or a preferred tie wrap advancement direction when securing a cable to the cable support with the tie wrap.

Abstract: A system for connecting a fiber optic connector to a fiber optic adapter includes various alternative improvements, including improvements to the shutter, the alignment device, and the adapter in general.

Abstract: A fiber optic telecommunications device (2302/2402/2502) includes a first fiber optic connection location (2308) defined on the telecommunications device (2302/2402/2502), wherein a plurality of optical fibers (2307) extends into the telecommunications device (2302/2402/2502) from the first fiber optic connection location (2308). A plurality of second fiber optic connection locations (2309) are movably disposed on the telecommunications device (2302/2402/2502). A flexible substrate (2306/2506) is positioned between the first fiber optic connection location (2308) and the plurality of second fiber optic connection locations (2309), the flexible substrate (2306/2506) rigidly supporting the plurality of optical fibers (2307) and relaying the plurality of fibers (2307) from the first fiber optic connection location (2308) to each of the second fiber optic connection locations (2309).

Abstract: An object is to provide a closure with a structure having a drainage function to eliminate water immersion into a coated optical fiber against temporary flooding and to prevent water from continuously contacting the coated optical fiber. Another object is to provide a closure with improved workability for opening and closing. A closure according to the present invention protects a connection part that connects a coated optical fiber enclosed in a optical fiber cable with a coated optical fiber enclosed in a optical fiber cable. The closure includes a coated optical fiber housing that divides an interior of the closure into a first space that is on a side of a road and has a main body cable insertion hole for inserting the optical fiber cables from an exterior and a second space that is on an opposite side of the road and includes the connection part.

Abstract: A photonic crystal fiber (PCF) assembly including a PCF and at least one ferrule structure. The PCF includes a core region and a cladding region and a first fiber end section with a first fiber end. The ferrule structure is mounted to the first fiber end section. The ferrule structure includes an inner ferrule arrangement and an outer ferrule arrangement surrounding the first fiber end section. The inner ferrule arrangement includes an inner ferrule front section proximally to the first fiber end and an inner ferrule rear section distally to the first fiber end, and each of the sections has an inner diameter and in at least a length thereof fully surrounds the PCF. The inner ferrule rear section is anchored in an anchor length section to the first fiber end section and the inner ferrule front section supports the first fiber end section proximally to the first fiber end.