Abstract: An LC format optical connector for terminating an optical fiber includes a housing configured to mate with an LC receptacle. A backbone is configured to engage an outer surface of the outer shell of the housing and includes a mounting structure that is configured to engage a boot. A collar body is retained between the outer shell and the backbone and includes a fiber stub disposed in a first portion of the collar body, the fiber stub being mounted in a ferrule. A mechanical splice is disposed in a second portion of the collar body, the mechanical splice configured to splice the fiber stub to the optical fiber. The backbone also includes a fiber jacket clamping portion to clamp a jacket portion that surrounds a portion of the optical fiber upon actuation.

Abstract: An optical fiber adapter security, an optical fiber connector security, and a removal tool for use therewith are introduced. The removal tool includes a first body and two second resilient arms. The first body has a first coupling unit. The first coupling unit matches the optical fiber connector security. The second resilient arms are connected to the first body and connected to second coupling units, respectively. The second resilient arms match the optical fiber connector security. The second resilient arms and the second coupling units together match the optical fiber adapter security. The optical fiber adapter security prevents improper use of the optical fiber adapter. The optical fiber connector security prevents inappropriate removal of the optical fiber connector set. Protection provided by the optical fiber adapter security and the optical fiber connector security can be disabled by the same removal tool.

Abstract: A semiconductor integrated circuit according to an example of the present invention includes a chip substrate, first and second switches arranged on the chip substrate in which ON/OFF of an electrical signal path is directly controlled by an optical signal, a first light shielding layer arranged above the chip substrate, an optical waveguide layer arranged on the first light shielding layer, a second light shielding layer arranged on the optical waveguide layer, a reflecting plate arranged in the optical waveguide layer to change an advancing direction of the optical signal, and means for leading the optical signal to the first and second switches from an inside of the optical waveguide layer. The first and second light shielding layers reflect the optical signal, and the optical waveguide layer transmits the optical signal radially.

Abstract: The present invention relates to a multicore optical fiber having a structure for suppressing core-to-core crosstalk. The multicore optical fiber (100A) comprises a plurality of cores extending along a predetermined axis while being arranged like a hexagonal lattice on a cross section perpendicular to the axis and a cladding region (120) integrally surrounding the plurality of cores. All of core portions, each constituting at least a part of the associated one of the plurality of cores, have substantially the same structure.

Abstract: The present invention relates to a bundled cable suitable for installation in multiple dwelling unit (MDU) applications. The bundled cable includes two or more binders stranded around multiple stranded cable units. The bundled cable not only maintains its integrity on a reel and during installation, but also reduces installation time.

Abstract: An optical device including an active core layer of silica glass doped with ions which serve as optical emitters, the active core layer being on a silica glass substrate and having a layer thickness of at least 5 ?m, and wherein the layer is sintered at a temperature range of 1500-1600 C. and subsequently heat treated by a laser.

Abstract: In order to create a stable non-linear optical effect with high efficiency for a plurality of input lights having different wavelengths, according to a first aspect of the present invention, provided is a wavelength conversion apparatus comprising an input section into which input light is input; a wavelength converting section that includes a polarity inverting structure whose polarity inverts periodically and that, in response to the input of light having a wavelength corresponding to the period with which the polarity inverts, converts the wavelength of the light; and a direction changing section that changes a progression direction in which the input light passes through the polarity inverting structure, according to the wavelength of the input light, without changing relative positions of the input section and the polarity inverting structure. Also provided are a light source apparatus and a wavelength converting method.

Abstract: An intra-cavity optical parametric oscillator. The oscillator includes means for providing a non-linear loss for suppressing relaxation oscillations.

Abstract: A fiber laser system is configured with a nonlinear resonator cavity which includes a plurality of mirrors. One of the mirrors is a piezoelectric mirror capable of being displaced between multiple positions in response to a control signal generated by a digital controller. The generation of the control signal is caused by mismatch between a fundamental frequency, imputed into the resonant cavity and further split by a nonlinear crystal into resonant and harmonic frequencies, and the resonant frequency. The positions of the piezoelectric mirror and time interval the piezoelectric mirror may occupy these position are controlled so that the output radiation at the harmonic may be periodically interrupted which results in a pulsed output radiation.

Abstract: Unmanned underwater vehicles (1) which can be controlled from a carrier platform (2) by an optical waveguide cable (3) can be used for widely differing missions. For mine countermeasures, the loss of the underwater vehicle (1) is often accepted, with the optical waveguide cable (3) also being destroyed by the explosion. To reduce the costs of a mission of the underwater vehicle, the invention provides for the optical waveguide cable (3) to be connected to the underwater vehicle (1) via a connecting device (4). The connecting device (4) comprises a connecting cable (8) and connecting elements (11, 12) at the ends (9, 10) of the connecting cable (8) for an optical waveguide cable (3) at one end and for an unmanned underwater vehicle (1) at the other end.

Abstract: An automated fiber optic connector processing system for processing a plurality of fiber optic cables and connectors, with each of said cables including an optical fiber, includes a pallet fixture for holding a plurality of fiber optic cables and connectors during movement along a manufacturing line so that the connectors may be secured to the cable ends, and the ends of the cables finished. The pallet fixture includes a pallet base plate, with a stationary fixture mounted along one edge of the pallet base plate. The stationary fixture defines a plurality of channels for receiving fiber optic cable connectors of the plurality of fiber optic cables, and at least one latching plate for retaining the connectors in the plurality of channels. An oven having an elongated oven opening is provided at a first processing station.

Abstract: An optical waveguide formed in a substrate including: a curved waveguide; and a splitter that is coupled to the curved waveguide and branches, wherein a low refraction index portion having an effective refraction index that is lower than that of a start point of the curved waveguide on an opposite side of the splitter is provided in a waveguide extending from the start point of the curved waveguide to the splitter.

Abstract: Various embodiments of optical fiber designs and fabrication processes for ultra small core fibers (USCF) are disclosed. In some embodiments, the USCF includes a core that is at least partially surrounded by a region comprising first features. The USCF further includes a second region at least partially surrounding the first region. The second region includes second features. In an embodiment, the first features are smaller than the second features, and the second features have a filling fraction greater than about 90 percent. The first features and/or the second features may include air holes. Embodiments of the USCF may provide dispersion tailoring. Embodiments of the USCF may be used with nonlinear optical devices configured to provide, for example, a frequency comb or a supercontinuum.

Abstract: The multi-core fiber of the present invention uses a multi-core fiber configuration, compatible with the “coupled” operation mode in which coupling between cores is positively utilized, to carry out mode division multiplexing transmission via a multi-core fiber that contains multiple single-mode cores in one optical fiber. The multi-core fiber of the present invention uses a configuration in which mode multiplexing transmission is carried out using a multi-core fiber that contains multiple single-mode cores in one optical fiber, wherein multiple cores are strongly coupled intentionally to form a coupled multi-core fiber that makes the coupled modes correspond, one to one, to the transmission channels.

Abstract: Disclosed is a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.

Abstract: A method and an apparatus for processing an optical signal are disclosed wherein an input optical signal having an amplitude profile is combined by means of Bragg scattering with a first pulsed pump signal having a first waveshape and a second pulsed pump signal having a second waveshape. The combined optical signal is input in a nonlinear optical material for frequency converting the input optical signal thereby obtaining an idler signal wherein the first pulsed pump signal co-propagates with the input optical signal and the second pulsed pump signal co-propagates with the idler signal. The idler signal produced has a peak amplitude proportional to the peak amplitude of the input optical signal and a shape corresponding to the second pump waveshape.

Abstract: An embodiment relates to a device for generating a short duration laser pulse, which comprises: means for generating a laser beam and for filtering same, arranged in such a way as to generate an input laser beam providing an input laser pulse; a transparent slide comprising a non-linear scattering material; the laser generation means being arranged so that the slide widens the spectrum of the input laser pulse by phase self-modulation in order to generate a wide-spectrum laser pulse; compression means adapted for compressing the wide-spectrum laser pulse in order to generate a short duration laser pulse; wherein the laser generation means are arranged so that the input beam is spatially uniform on the transparent slide and has a break integral B lower than three when the input beam passes through the transparent slide.

Abstract: A distribution device which has a cover-like housing upper part and a housing lower part is disclosed. The housing lower part has a holding means for the cover-like housing upper part, with the result that the housing upper part can be held by the holding means of the housing lower part as the housing upper part is removed from the housing lower part. The housing upper part does not fall and be subject to damage when the housing upper part is removed or released from the housing lower part.

Abstract: An apparatus and method that reduces laser speckle by using stimulated Raman scattering in an optical fiber. The fiber core diameter and length are selected to achieve a desired output color. An adjustable despeckler is formed by combining two optical fibers in parallel and adjusting the amount of light in each path.

Abstract: An optical transmission apparatus comprising a first gradient index lens, an optical receiver, and a second gradient index lens. The first gradient index lens is connected to an end of an optical transmission line. The optical receiver receives light and is provided to an electronic device. The second gradient index lens is arranged between the first gradient index lens and the optical receiver.