Abstract: An optical phase shifting arrangement and associated optical switching device and method are disclosed. The optical phase shifting arrangement comprises a first optical phase shifter configured to provide a first phase shift to an optical signal, and a second optical phase shifter configured to provide a second phase shift to the optical signal in addition to the first phase shift. During a predefined period, the first optical phase shifter and the second optical phase shifter are driven such that the second phase shift is substantially complementary to the first phase shift.

Abstract: A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (LED) and one or more phosphors optically coupled to the LED to convert at least a portion of original light emitted by the LED to provide a modified LED light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified LED light and to convert at least a portion of the modified LED light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle. A device including a lighting system is also disclosed.

Abstract: A fiber optic pulling grip assembly includes a sleeve unit sleeving around a cable section of a fiber optic cable and a guiding unit. The sleeve unit includes a sleeve member, an insertion tube received in a receiving space extending along the sleeve member, and a blocking member connected to the sleeve member. The guiding unit includes a fixing ring disposed between an optical fiber section and a mesh of the fiber optic cable, a rear portion connected to the sleeve member to clamp a rear end of the mesh, a front portion defining a channel for passing of the optical fiber section and the mesh, a connecting member connected to the optical fiber section and a pulling member connected to the front portion to clamp a front end of the mesh.

Abstract: An optical connector system for reversible optical connection between two optical fibers (102, 104) with their end parts inside respective ferrules. A receptacle arrangement has a receiving body (105) for receiving at least one of the ferrules (103). An optical element (106) of the receptacle arrangement serves to provide optical connection between the two optical fibers in a connected state of the optical connector system, and at the same time, the optical element (106) serves as a sterility barrier between the two optical fibers. The optical element (106) can be an optical waveguide, e.g. a piece of optical fiber similar to the two optical fibers (102, 104), and arranged within the receiving body (105). Alternatively, the optical element may be a thin flexible membrane (207, 307) which is optically transparent.

Abstract: Application of an electric field to nanorods can control their alignment, thus providing techniques for ultra-fast switching and optical modulators, for example those that might serve as display indicators.

Abstract: An active optical cable (AOC) for a helmet mounted display (HMD) or goggles includes a transceiver module having a rigid-flex or flex connector packaging to physically couple with an electrical data interface of the HMD or goggles. The transceiver module includes one or more media converters to receive electrical data of multiple formats from the HMD or googles and convert the received electrical data to a common format, and an optical engine communicatively coupled to the one or more media converters to output the converted electrical data as optical data. The AOC includes a cable assembly including at least fiber optic cables with one end of the cable assembly communicatively couple to the transceiver module to receive the optical data output from optical engine; and another transceiver module having a quick-release connector packaging and communicatively coupled to other end of the cable assembly to receive the optical data.

Abstract: To provide a method whereby a bias voltage capable of easily realizing a required extinction ratio can be controlled by utilizing a high-extinction ratio modulator even when a generic AD converter/control board is used, and a device for realizing the method. In the present invention, the step quantity (variation quantity) ?V of a control voltage is no more than 0.1 times the half-wave voltage V? [V]. For example, in the case of searching for the minimum point, the light intensity is measured when a bias that is larger by the step voltage ?V and a bias that is smaller by the step voltage ?V are applied, the current bias voltage being used as a reference, and the bias voltage is moved toward the smaller of the measured light intensities. The process of setting the moved bias voltage as a reference, comparing the light intensities for the bias points in both neighboring positions, and changing the reference bias voltage is then repeated.

Abstract: An optical fiber includes (i) a chlorine doped silica based core having a core alpha (Core?)?4, a radius r1, and a maximum refractive index delta ?1 max% and (ii) a cladding surrounding the core. The cladding surrounding the core includes a) a first inner cladding region adjacent to and in contact with the core and having a refractive index delta ?2, a radius r2, and a minimum refractive index delta ?2 min such that ?2 min<?1 max, b) a second inner cladding adjacent to and in contact with the first inner cladding having a refractive index ?3, a radius r3, and a minimum refractive index delta ?3 min such that ?3 min<?2, and c) an outer cladding region surrounding the second inner cladding region and having a refractive index ?5, a radius rmax, and a minimum refractive index delta ?3 min such that ?3 min<?2.

Abstract: An optical receptacle having a first optical receptacle for transmission and a second optical receptacle for reception. The first optical receptacle has a first engaging section and the second optical receptacle has a second engaging section that engages with the first engaging section. A first recessed section and a second recessed section that open externally are formed in the first optical receptacle. A third recessed section that opens externally is formed in the second optical receptacle. Part of each of the inner surfaces of the first recessed section, the second recessed section, and the third recessed section is a reflective surface.

Abstract: The present embodiment relates to a CC-MCF capable of generating sufficient mode coupling even with bending or twisting less. The CC-MCF includes two fiber parts having cores mutually directly or indirectly connected, each fiber part having a plurality of cores in which a pair of adjacent cores has a mode-coupling coefficient of 1 (1/m) or more. Each fiber part is provided with a transition section including a fiber end face and a stationary section adjacent to the transition section. In the stationary section, the MFD of each core is substantially constant in a fiber longitudinal direction, and in the transition section, the MFD of each core is continuously expanding from the stationary section to the fiber end face.

Abstract: An optical probe having a controlled viewing angle lens tip is provided that includes an elastomer lumen, where the elastomer lumen includes internal dividers disposed to separate the elastomer lumen into a plurality of channels, a lens that is sealably attached to a distal end of the elastomer lumen, where each channel is disposed to operate as an independent hydraulic channel, where an angle of the lens relative to a central axis of the elastomer lumen is positioned according to a state of pressure in each independent hydraulic channel, and a hydraulic generator, where the hydraulic generator is disposed to pressurize each hydraulic channel to a defined state as set by a computer input from a to computer.

Abstract: Some embodiments of the present disclosure describe a tapered waveguide and a method of making the tapered waveguide, wherein the tapered waveguide comprises a first and a second waveguide, wherein the first and second waveguides overlap in a waveguide overlap area. The first and second waveguides have a different size in at least one dimension perpendicular to an intended direction of propagation of electromagnetic radiation through the tapered waveguide. Across the waveguide overlap area, one of the waveguides gradually transitions or tapers into the other.

Abstract: Optical connectors that substantially preserve alignment and are easy to manufacture. The alignment system using the optical connectors disclosed herein include a first housing, a second housing and an alignment component, the said alignment component configured to provide optical alignment between the optical components.

Abstract: A connector assembly includes a coaxial connector module and a fiber optic module coupled to the coaxial connector module. The coaxial connector module includes a connector body and coaxial contacts in contact channels. The connector body has a mating interface and fastener openings open at the mating interface to receive fasteners and a window at the mating interface. The fiber optic module includes a housing coupled to the mating interface of the connector body having a cavity and fastener openings receiving the fasteners to couple the housing to the connector body at the mating interface. The fiber optic module includes a fiber optic connector received in the cavity having a mating end and a fiber optic cable extending therefrom. The fiber optic connector is received in the window for mating with a mating fiber optic connector of the mating connector assembly.

Abstract: The invention relates to a method for concentrating light by coupling light into a thin film waveguide (2, 4) arranged on a substrate (1), in particular via at least one of its parallel surfaces, the method further comprising the step of exciting in the thin-film-waveguide (2, 4) at least one lateral guided mode (5) having at least one node (6), preferably exactly one node (6), by interaction, in particular scattering, diffraction or surface plasmon excitation of the incident light with a nanopatterned discontinuous excitation layer (3) of material, in particular metal, preferably silver, the nanopatterned discontinuous excitation layer (3) being arranged in the thin-film-waveguide (2,4) at the position of the at least one node (6) of the guided lateral mode (5).

Abstract: A passive optical network includes one or more multi-service terminals each having a housing and a plurality of ruggedized plug-receiving distribution ports accessible from outside the housing. The multi-service terminals also each include an optical power splitter or wave division multiplexer for splitting an optical signal and directing the split signal to the plug-receiving distribution ports. Some of the multi-service terminals provide a different power split ratio from others of the multi-service terminals.

Abstract: A system may include a substrate and a lens component. The substrate may include pads and solder protuberances. Each solder protuberance may be located on a pad. The lens component may define grooves sized to receive at least a portion of the solder protuberances. The lens component may be positioned relative to the substrate such that at least a portion of each solder protuberance is positioned within the grooves.

Abstract: A fiber to waveguide coupler is provided that includes an optical fiber having a core and a cladding. The cladding includes an inner cladding and an outer cladding with a polymer. At least one of the core and inner cladding defines a substantially flat surface parallel with an axis of the optical fiber. The optical fiber defines a stripped portion substantially free of outer cladding configured to expose the at least one substantially flat surface of the core or inner cladding. A waveguide is configured to be evanescently coupled with the exposed at least one substantially flat surface of the core or inner cladding.

Abstract: One example includes an optical interconnect device. The optical interconnect device includes a plurality of optical fiber ports coupled to a body portion. The optical interconnect device also includes a plurality of optical fibers that are secured within the body portion. A first portion of the plurality of optical fibers can extend from a first of the plurality of optical fiber ports to a second of the plurality of optical fiber ports, and a second portion of the plurality of optical fibers can extend from the first of the plurality of optical fiber ports to a third of the plurality of optical fiber ports.

Abstract: Aspects of the present disclosure relate to a cable bend radius guide. The cable bend radius guide comprises a flexibly rigid linear material of a predetermined length having a plurality of pairs of corresponding bend radius markers each separated by a predetermined distance along the predetermined length. The cable bend radius guide further comprises at least one constraint configured to fasten a first bend radius marker and a second bend radius marker of each pair of bend radius markers together to cause a portion of the flexibly rigid linear material between the first bend radius maker and second bend radius marker of each pair of bend radius markers to generate a substantially circular loop having a minimum bend radius corresponding to a cable's minimum bend radius.