Abstract: The optoelectronic assembly for high speed signal transmission based on surface-emitting/receiving components is disclosed. The assembly contains a mounting plate with a top side used for the mounting of the components; single or multiple electrooptical or optoelectronic transducer components with the optical ports of the transducer on the top side and a bottom side used for assembly; a micro-mirror component; an optical transmission path wherein the transmission axis is oriented substantially parallel to the surface of the transducer components and to the top side of the mounting plate; and a transducer component mounted with the bottom side on the mounting plate near a micro-mirror component mounted above the transducer component in such a configuration that the optical transmission path to or from the transducer is reflected at the mirror surface such that the transducer is optically coupled to this same transmission path.

Abstract: A passive optical waveguide is solely built on a Si substrate while still maintaining high optical quality. Two side-by-side diamond shaped cavities may be etched into the Si wafer and oxide grown on the inner walls of the cavities until the oxide meets at opposing inner vertices of the diamond shaped cavities. An optical waveguide is formed by the inverted, generally triangular cross-sectional, portion of silicon remaining between the top surface of the wafer and the opposing inner vertices.

Abstract: A printed circuit board element (1) with a substrate (2), with at least one optoelectronic component (3) embedded in a photopolymerizable optical layer material (5), and with at least one optical waveguide (6) optically coupled with the former and structured in the optical material by photon absorption, wherein a prefabricated deflection mirror (4) embedded in the optical material (5) and optically coupled with the optoelectronic component (3) via the optical waveguide (6) is arranged on the substrate (2), optionally together with a support (4?).

Abstract: A device for converting and optionally processing an optical signal comprises an optical cable having an optical-electrical conversion device at one end, the optical-electrical conversion device to convert the optical signal to an electrical signal or an electrical signal into an optical signal; a electrical package to removably receive the optical-electrical conversion device and generate processed signal; and a general circuit board attached to the electrical package and operable to receive the processed signal.

Abstract: A method and device for interconnecting optical components, such as optical fibers and optical circuits, in a flexible, repeatable, and cost-effective manner. Two or more optical components are interconnected by a flexible optical circuit substrate bearing one or more embedded optical fibers with a lens at each end of each fiber. The flexible optical circuit may be incorporated into a housing bearing apertures for receiving optical connectors of the optical components that are to be interconnected with the device. The lensed ends of the fibers embedded in the flexible optical circuit are positioned adjacent to the apertures for optically connecting to the fibers within the connectors installed in the apertures without conventional mating connectors disposed inside the housing.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: A light emitting device includes a first layer that generates light by an injection current, the first layer is provided with a first optical waveguide extending from a first light emitting section disposed on a first side surface to a first light reflecting section disposed on a second side surface, a second optical waveguide extending from the first light reflecting section to a second light reflecting section disposed on a third side surface, and a third optical waveguide extending from the second light reflecting section to a second light emitting section disposed on the first side surface, an element of the group II or the group XII is diffused in the first light reflecting section and the second light reflecting section, and a first light emitted from the first light emitting section and a second light emitted from the second light emitting section are emitted in the same direction.

Abstract: A structure which stably achieves electrical coupling, and is capable of efficient optical coupling is provided. Optical coupling is achieved with the lower surface of an opto-electric package and the upper surface of an opto-electric hybrid board. On the other hand, electrical connection is achieved by means of contact between electrodes on the side surfaces of the opto-electric package and electrodes on the inner-wall side surfaces of a socket mounted on the opto-electric hybrid board. The electrodes are in electrical contact with electrical wiring.

Abstract: A system includes an optical transceiver assembly, including a flip chip connection of a semiconductor die with a photonic transceiver that overhangs a substrate to which it is to be connected. The assembly further includes an alignment pin that is held to the semiconductor die at a micro-engineered structure in the semiconductor die. The alignment pin provides passive alignment of the photonic transceiver with an optical lens that interfaces the photonic transceiver to one or more optical channels.

Abstract: An illumination system includes a light source, an optical waveguide that has a proximal end and a distal end such that the proximal end is arranged to receive light from the light source and the distal end is suitable to illuminate an object of interest; and an optical coupler constructed and arranged to couple light from the light source into the optical waveguide. The optical coupler includes a reflective surface that reflects at least some light diverging from the light source to be coupled into the optical waveguide.

Abstract: An optical coupling assembly for coupling light from an optical fiber including an angled tip into a planar waveguide via a waveguide coupling element is provided. In one embodiment, the optical fiber extends along the planar waveguide with the angled tip positioned such that light propagating in the optical fiber is coupled by the waveguide coupling element to propagate in the planar waveguide in counter propagation with respect to a fiber propagation direction. In another embodiment, the optical fiber includes a tapered peripheral portion tapering toward the angled tip and is disposed over the planar waveguide with the tapered peripheral portion extending therealong such that light propagating in the optical fiber is coupled to propagate in the planar waveguide with either forward or counter propagation. Embodiments of the present invention may be part of various photonic integrated circuits and may be manufactured more easily than known optical coupling assemblies.

Abstract: Optical elements (light sources 16 or photodetectors 18) are arranged in a two-dimensional array, and the relative positional relationship between the optical elements and optical waveguides 12 is defined such that optical waveguides 12 extend between the optical elements in the two-dimensional array substantially parallel to substrate 19 for increased parallelism. Micromirrors 15 are disposed in respective optical waveguides 12 to bend light beams through 90 degrees to realize a highly efficient optical coupling between the optical elements and optical waveguides 12. The optical waveguides are stacked in multiple stages, and light beams are lead to the optical waveguides in the multiple stacks through micromirrors 15 across the stacked plane of the optical waveguides, thereby realizing parallel connection between the two-dimensional array of optical elements and a two-dimensional array of optical waveguides.

Abstract: A suspension board with circuit includes a metal supporting board; an insulating base layer formed on the metal supporting board; a conductive pattern formed on the insulating base layer; an insulating cover layer formed on the insulating base layer so as to cover the conductive pattern; and an optical waveguide. The optical waveguide is provided on the metal supporting board separately from the insulating base layer, the conductive pattern, and the insulating cover layer.

Abstract: A method of detecting fluorescence/absorbance/luminescence from 24-well, 48-well, 96-well, 384-well and 1536-well microplates and other sample containers. The sample is pumped into a waveguide. The waveguide efficiently gathers and guides the emission light to the end of the waveguide. The emission light exits the ends of the waveguide and is focused into a detector. To minimize background caused by the excitation light used for fluorescence, the excitation illuminates the waveguides at 90 degrees. To facilitate reuse, the waveguide assembly can be configured to be washed by an appropriate wash solution.

Abstract: In a method and system to fabricate a compact optical device, a periodic group-delay device (PGDD) includes N optical input ports, N being a positive integer number, each port being configured to include one or more wavelength-division-multiplexing (WDM) channels; N corresponding optical output ports, each port being configured to include one or more WDM channels. The PGDD also includes a first slab waveguide region (FSWR) coupled to the N optical input ports, a second slab waveguide region (SSWR) coupled to the said N optical output ports, a first optical grating coupled to the FSWR, a second optical grating coupled to the SSWR, and; a third slab waveguide region (TSWR) coupled to at least one of the first and second optical gratings. The TSWR is configured to provide a configurable amount of dispersion to the N optical output ports. Optical signals carried by each WDM channel are processed concurrently and independently.

Abstract: A semiconductor submodule includes a substrate (10) as a first substrate having at least one hole, and at least one optical semiconductor device (16) disposed such that light travels through the hole, a substrate (11) as a second substrate having a semiconductor device (26) for driving the optical semiconductor device (16) and amplifying signals and an electrical connector (28) for inputting and outputting electrical signals from and to the outside, and a flexible cable (12) electrically connecting an end of the substrate (10) and an end of the substrate (11) and allowing the first substrate to be folded opposite to the surface on which the optical semiconductor device is mounted.

Abstract: An optical mode transformer comprises a first waveguide including a first core, a first cladding and an end facet configured to be coupled to an optical fiber. The transformer further includes a second waveguide comprising a second core, a second cladding and an end directly coupled to an end of the first waveguide. A third waveguide comprises a third core and a third cladding, and is arranged with respect to the second waveguide so as to realize an evanescent optical coupling with the second waveguide. The third core includes a tapered region wherein evanescent coupling takes place, and wherein a refractive index contrast of the first waveguide is less than a refractive index contrast of the second waveguide, the refractive index contrast of the second waveguide is less than a refractive index contrast of the third waveguide, and the refractive index contrast of the third waveguide is not less than 18%.

Abstract: An optoelectronic wiring board includes a flex-rigid substrate and an optical communication unit. The flex-rigid substrate includes a flexible substrate provided with an electric wiring, and a pair of rigid sections provided on both sides of the flexible substrate. The pair of rigid sections each include a lamination formed of a conductive circuit and an insulating layer. The optical communication unit is made of a flexible material and has both end faces substantially perpendicular to its optical path of transmitting light. Both end portions of the optical communication unit are disposed and fixed on the rigid sections so that both end faces of the optical communication unit face an optical element mounting region provided on the rigid sections of the flex-rigid substrate.

Abstract: Provided is an optical coupling structure including an optical semiconductor element including a light receiving/emitting portion, an optical transmission path having an optical axis that intersects the optical axis of the optical semiconductor element at a predetermined angle, and an optical coupling portion configured to convert the optical path between the optical semiconductor element and the optical transmission path and optically couple them. The optical coupling portion is made of a resin that is transparent with respect to a transmitted light, the resin adhering to both at least a portion of the light receiving/emitting portion and at least a portion of the end portion of the optical transmission path, and the optical semiconductor element and the optical transmission path are bonded to each other with the resin itself that constitutes the optical coupling portion.

Abstract: An optical interconnection system is provided and includes an optical printed circuit board (PCB) that includes transmitter-unit and receiver-unit optical interconnection blocks for bending an optical path by a predetermined angle, a one-unit optical waveguide including an optical waveguide which is inserted into each of the optical interconnection blocks so as to connect optical paths of the transmitter-unit and receiver-unit optical interconnection blocks, and a PCB having the one-unit optical waveguide integrated therein; a light emitting element that is formed in-line with the optical waveguide on an upper surface of the transmitter-unit optical interconnection block exposed to an upper surface of the optical PCB; a driver integrated circuit that is formed on the upper surface of the optical PCB and electrically connected to the light emitting element and the optical PCB; a light receiving element that is formed in-line with the optical waveguide on an upper surface of the receiver-unit optical interconne

Abstract: An embodiment relates to a device comprising an optical pipe comprising a core and a cladding, the optical pipe being configured to separate wavelengths of an electromagnetic radiation beam incident on the optical pipe at a selective wavelength through the core and the cladding, wherein the core is configured to be both a channel to transmit the wavelengths up to the selective wavelength and an active element to detect the wavelengths up to the selective wavelength transmitted through the core. Other embodiments relate to a compound light detector.

Abstract: A photoelectric transmission module being connected to a terminal of a composite cable including an optical fiber and an electrical cable, includes a substrate connected to the electrical cable drawn from the composite cable, a flexible printed circuit board including one end connected to a connector on the substrate and an other end connected to the optical fiber drawn from the composite cable, and an optical waveguide member formed along an outer surface of the flexible printed circuit board and connected to the optical fiber. The flexible printed circuit board further includes a displacement permitting area formed in a section from a connection end of the connector to a connection end of the optical fiber to allow the connection end of the connector and the connection end of the optical fiber to be relatively displaced in a direction along the substrate.

Abstract: An optical device to be connected to an optical fiber and an optical system in which the optical fiber is fixed to the optical device are provided, which optical device and optical system can restrict variations in a distance between inclined surfaces for supporting the optical fiber, and can enhance a productivity of the optical device and system. The optical system according to the present invention is, for example an optical multiplexer/demultiplexer having an optical device according to the present invention, which device has a substrate (2) with a crystal axis, and a groove (10a) for supporting an optical fiber (6a). The groove (10a) has a pair of opposing inclined surfaces (24) for supporting the optical fiber (6a), and a recess (26) formed between the pair of opposing inclined surfaces (24).

Abstract: A light coupler between an optical fiber (6) and a waveguide is made on a semiconductor-on-insulator substrate (1), this substrate (1) comprising a thin layer of semiconducting material in which the waveguide is made. The coupler comprises a light injector (5) and an adiabatic collector (4) made up with an inverted nanotip formed from the thin layer of semiconducting material. The injector (5) is formed on the insulator (3) and has a face (7) for receiving an end of the optical fiber (6). The adiabatic collector (4) has a cross-section which increases from a first end located on the side of said end of the optical fiber (6) right up to a second end which is connected to the waveguide, the injector (5) covering the adiabatic collector (4) and having a rib waveguide shape.

Abstract: An object is to obtain a module in which an optical fiber can be inserted after a ferrule has been mounted on a circuit board. There is provided an optical module (100) in which at least a ferrule (33) and an electric component (57) are mounted on a circuit board (35) on which external electrodes (63) have been mounted; a fiber through-hole is formed in the ferrule (33) in a position in which the optoelectric conversion device (31) is mounted on one end surface and that corresponds to an active layer of an optoelectric conversion device (31); and the optoelectric conversion device (31) of the ferrule (33) is electrically connected to the electric component (57). In the ferrule (33), an opening in the one end face of the fiber through-hole that faces the optoelectric conversion device (31) is blocked by a transparent substance (61), and a portion that excludes the fiber through-hole at the other end surface is are monolithically covered with a molding resin (55).

Abstract: The present invention relates to an optical fiber comprising at least a first end with an first end facet, the optical fiber comprising a core region capable of guiding light at a first wavelength ?; and a microstructured cladding region surrounding said core region. The cladding region comprises an inner cladding region and an outer cladding region. The inner cladding region comprises inner cladding features arranged in an inner cladding background material having a refractive index n1, said inner cladding features comprising thermally collapsible holes or voids. The outer cladding region comprising outer cladding features arranged in an outer cladding background material, said outer cladding features comprising solid material with refractive index n2, wherein n2 is lower than n1. The invention further relates to methods for splicing such an optical fiber to an optical component and to methods for using such an optical fiber.

Abstract: A waveguide connector includes a ferrule with a number of waveguides inserted thereinto. The ferrule includes a front mating surface, a rear surface, front and rear passageways extending through the front and the rear mating surfaces, respectively. The front and the rear passageways are in communication with each other while the front passageway is thinner than the rear passageway. The waveguide each includes a number of cores and a cladding layer enclosing the cores. The front part of the cladding layer is of rectangular shape and includes four peripheral surfaces which are so limited by four inner surfaces of the front passageway, respectively, so as to precisely position the waveguides.

Abstract: An optical waveguide substrate with an optical fiber fixation groove, including an optical waveguide which contains a lower cladding layer on a base substrate, wherein the lower cladding layer has an optical fiber fixation groove and a core groove, and a weir is provided between the optical fiber fixation groove and the core groove. The optical waveguide substrate with an optical fiber fixation groove is produced by forming a lower cladding layer on a base substrate using a male stamp produced from a female stamp and then successively forming a core layer and an upper cladding layer thereon.

Abstract: An optical fiber with filtering thin film includes a first ferrule having a first through hole and a first contact surface. A first fiber is disposed into the first through hole, extending to the first contact surface. A first interface coupling material is between the first ferrule and the first fiber. A second ferrule has a second through hole and a second contact surface. A second fiber is disposed into the second through hole, extending to the second contact surface. A second interface coupling material is between the second ferrule and the second fiber. The first contact surface and the second contact surface are parallel and have an included tilt angle from a perpendicular transverse plane of first fiber. An optical filtering film is disposed between the first contact surface and the second contact surface. The first fiber and the second fiber are aligned.

Abstract: A multiple piecepart alignment and attachment configuration for mating a fiber array (or even a single fiber) with a silicon photonic subassembly utilizes ever-tightening alignment tolerances to align the fiber array with a similar array of waveguides (or other devices) formed within the photonic subassembly. A box-shaped fiber holder is formed to include a plurality of grooves within its bottom interior surface to initially support the fiber array. A separate piecepart in the form of a lid is mated to, and aligned with, the silicon photonic subassembly. The lid is formed to include registration features on its underside that fit into alignment detents formed in the top surface of the silicon photonic subassembly upon attachment. The lid also includes a number of grooves formed on its underside that will capture the top surface of the fibers as the fiber holder is slide into place over the lid.

Abstract: A consumer input/output (CIO) optical transceiver module, an active optical cable that incorporates a CIO optical transceiver module, and a method for using a CIO optical transceiver module in an active optical cable are provided. In contrast to optical transceiver modules currently used in active optical cables, which utilize parallel arrays of laser diodes and parallel arrays of photodiodes, the CIO optical transceiver module includes two singlet laser diodes and two singlet photodiodes for providing two high-speed transmit channels and two high-speed receive channels, respectively. Because the singlet laser diodes and photodiodes of the CIO optical transceiver module are less costly than the parallel arrays of laser diodes and parallel arrays of photodiodes that are used in known active optical cables, the CIO optical transceiver module can be manufactured at relatively low costs with high quality, and therefore is well suited for consumer applications.

Abstract: Disclosed is an information processing device with lighting function that realizes reduced power consumption and cost reductions. The optical connecting member 17 flexibly connects between a light guide plate 14 of a displaying part side and a light guide plate 21 of a key operating part side, thereby guiding light emitted from a white light LED 13 of a displaying part side to key operating part side.

Abstract: An optical module includes an optical waveguide including a plurality of waveguide cores through which light propagates, a clad configured to trap the light in the waveguide cores, a plurality of fiber guide grooves in which optical fibers are inserted, the fiber guide grooves being arranged in parallel, and an adhesive spread groove configured to connect the fiber guide grooves and provided at leading ends of the fiber guide grooves with which the optical fibers contact; and a fixing member fixed to the optical waveguide with an adhesive while covering the fiber guide grooves. The fiber guide grooves have side walls including support projections configured to support, align, and optical couple the optical fibers to the waveguide cores, and adhesive recesses configured to define gaps between outer peripheral surfaces of the optical fibers and the fiber guide grooves so that the adhesive spreads in the gaps.

Abstract: An optoelectronic interconnection module capable of performing optical signal transmission and electrical signal transmission, including a flexible optoelectronic interconnection board including an optical interconnection path, electrical wires and electrical connection terminals used for electrically connecting the electrical wires to an exterior at an end portion thereof, an optical semiconductor device mounted on a portion near one-end of the flexible optoelectronic interconnection board, and a bend portion provided in a lengthwise direction of the flexible optoelectronic interconnection board in parallel to a mounting region of the optical semiconductor device.

Abstract: An optical converter comprises: a first waveguide, a second waveguide, and a tapered waveguide arranged between both the waveguides, wherein heights of a core of the first waveguide and a core of the second waveguide are different; both ends in a direction of wave guiding of a core of the tapered waveguide are respectively connected to the core of the first waveguide and the core of the second waveguide; cross-sectional shapes and refractive indexes of cores of two waveguides that are connected change continuously or in a stepwise manner at each connection part; and a cross-sectional shape and refractive index of the core of the tapered waveguide change continuously or in a stepwise manner along a direction of wave guiding.

Abstract: An optical subassembly manufacturing method includes forming connecting electrodes and a piece of high-melting-point glass on a wiring substrate; positioning on and connecting to the connecting electrodes, an optoelectronic converting element; disposing on the piece of high-melting-point glass, a piece of low-melting-point glass having a melting point lower than the piece of high-melting-point glass; and fixing to the piece of low-melting-point glass, a protruding portion of a lens member further having a lens portion. The protruding portion has a shape matching that of the piece of high-melting-point glass, and relative positions of the protruding portion and the optical axis of the lens portion are determined to correspond to relative positions of the connecting electrodes and the piece of high-melting-point glass. The fixing includes fixing the protruding portion of the lens member to the piece of high-melting-point glass via surface tension generated by melting the piece of low-melting-point glass.

Abstract: A multiplicity of Fresnel lenses are attached to tubular branches of a tree-like support structure. Fiber optic bundles are connected to the Fresnel lenses and routed inside the tubular branches and collected as a larger fiber optic bundle inside a main trunk structure to which each of the branches is connected. The larger fiber optic bundle may be connected to a remotely located power generating plant or other processing facility via a fiber optic transmission network. A domed solar energy collector includes an outer dome and one or more inner domes concentrically nested therewith, one or more Fresnel lenses being positioned on the hemispherical surface of each of the outer and inner domes. Each of the inner domes is sized and positioned such that its hemispherical surface lies on the focal point of the next larger dome to thereby multiply the solar energy focused through each of the domes to a collection area within the innermost dome.

Abstract: A light distributing device (100) comprises a thin planar waveguide (10) and a waveguiding ridge (20). An incoming light beam (B1) coupled into the ridge (20) forms a second light beam (B2) waveguided in the ridge (20). The ridge (20) and the planar waveguide (10) have a common portion (23) such that light is further coupled from the side of the ridge (20) into the planar waveguide (10) through said common portion (23). Thus, optical power of a broad incoming beam (B1) may be effectively coupled to a relatively thin planar waveguide (10). The planar waveguide (10) may further comprise diffractive out-coupling elements (30) to direct light towards a display (400).

Abstract: The present invention is directed to an assembly of an optical fiber and an optical fiber holder for holding the optical fiber, the optical fiber having an end surface formed at an end portion thereof, the end surface being configured to perform light coupling with a light emitting element or with a light receiving element. The optical fiber holder comprises; a throughhole which extends through the optical fiber holder and a recess that is positioned on a surface of the optical fiber holder and that is provided with an opening of the throughhole. The optical fiber is inserted through the throughhole and an adhesive is filled in a gap between an inner wall of the throughhole and an outer periphery of the optical fiber, the adhesive being used for adhering the optical fiber to the optical fiber holder. The end portion, on which is formed the end surface of the optical fiber, protrudes from the opening and terminates within the recess.

Abstract: An optical unit including a lens unit including a lens and an optical element configured to receive a light beam focused by the lens, and a support member configured to support the lens unit. Cutouts are provided on joint surfaces of the lens unit and the support member, respectively, such that the cutouts on the joint surface of the lens unit match the cutouts on the joint surface of the support member. The cutouts are configured to accommodate a jig inserted thereinto and rotated to move the lens unit relative to the support member and adjust a position of the lens unit in a direction parallel to an optical axis of the lens.

Abstract: An optical fiber mounting waveguide device includes a substrate, an optical fiber mounting groove provided on a part of the substrate for mounting an optical fiber, an under cladding layer and a core sequentially formed on the substrate, and an over cladding layer formed on the core, the over cladding layer having an end surface facing to the optical fiber mounting groove, and wherein the core and the under cladding layer are protruded toward the optical fiber mounting groove with respect to the end surface of the over cladding layer.

Abstract: Exemplary apparatus for obtaining information for a structure can be provided. For example, first optical fiber arrangement(s) can be provided which transceives at least one first electro-magnetic radiation, and can include at least one fiber. Second focusing arrangement(s) can be provided in optical communication with the optical fiber arrangement. The second arrangement can be configured to focus and provide there through the first electro-magnetic radiation. Third dispersive arrangement(s) can receive a particular radiation which is the first electro-magnetic radiation and/or the focused electro-magnetic radiation, and forward a dispersed radiation thereof to at least one section of the structure. At least one end of the fiber can be directly connected to the second focusing arrangement and/or the third dispersive arrangement.

Abstract: An optical coupler module includes a semiconductor substrate disposed on the print circuit board; a reflecting trench structure formed on the semiconductor substrate; a reflector formed on a slant surface of the reflecting trench structure; a strip trench structure formed on the semiconductor substrate and connecting with the reflecting trench structure; a thin film disposed on the above-mentioned structure. The optical coupler module further includes a signal conversion unit disposed on the semiconductor substrate and the position of the signal conversion unit corresponds to the reflector; and an optical waveguide structure formed in the trench structures. The optical signal from the signal conversion unit is reflected by the reflector and then transmitted in the optical waveguide structure, or in a reverse direction to reach the signal conversion unit.

Abstract: An optical device includes: a multilayer structure substrate on which plural insulating layers are stacked and a wiring pattern is formed between layers; a recessed part for exposing the wiring pattern between the layers by cutting off a part of the multilayer structure substrate; an optical element mounted within the recessed part in electric conduction to the wiring pattern exposed by the recessed part; and an optical waveguide member forming an optical path for the optical element and guiding light along a surface of the multilayer structure substrate.

Abstract: An optical connector has a body, a mirror provided within the body, an optical waveguide path, and a linking section. The optical waveguide path extends from a first end face exposed on a part of the surface of the body, bending via the mirror up to a second end face exposed on a part of the surface of the body not parallel to the first end face. The linking section is formed so as to include the first end, face and has a mechanism linking the fixing member first end face to the second end face of the optical waveguide path of the fixing member.

Abstract: An object of the present invention is to provide an optical transmission structural body capable of preferably transmitting an optical signal between an optical wiring and an optical waveguide irrespective of a shape of a portion of the optical wiring, the portion being connected to a core part of the optical waveguide. The optical transmission structural body of the present invention is constituted so that at least an optical wiring and an optical waveguide are connected to each other and an optical signal can be transmitted between a core of the optical wiring and a core part of the optical waveguide, wherein a portion of the optical wiring, the portion being connected to the core part of the optical waveguide, is not specially subjected to a planarization processing or has a surface roughness Ra based on JIS B 0601 of 0.1 ?m or more.

Abstract: A consumer input/output (CIO) optical transceiver module, an active optical cable that incorporates a CIO optical transceiver module, and a method for using a CIO optical transceiver module in an active optical cable are provided. In contrast to optical transceiver modules currently used in active optical cables, which utilize parallel arrays of laser diodes and parallel arrays of photodiodes, the CIO optical transceiver module includes two singlet laser diodes and two singlet photodiodes for providing two high-speed transmit channels and two high-speed receive channels, respectively. Because the singlet laser diodes and photodiodes of the CIO optical transceiver module are less costly than the parallel arrays of laser diodes and parallel arrays of photodiodes that are used in known active optical cables, the CIO optical transceiver module can be manufactured at relatively low costs with high quality, and therefore is well suited for consumer applications.

Abstract: An apparatus for optically coupling light between optical transmission components is provided. The apparatus includes first and second optical transmission components wherein the first optical transmission component includes a planar optical waveguide, a grating coupler, and a transparent substrate and the second optical transmission component includes an optical fiber. Preferably, the planar optical waveguide includes silicon and the transparent substrate includes glass. Methods for coupling light between optical transmission components are also provided.

Abstract: Optically-coupled memory systems are disclosed. In one embodiment, a system memory includes a carrier substrate, and a controller attached to the carrier substrate and operable to transmit and receive optical signals, and first and second memory modules. The module substrate of the first memory module has an aperture formed therein, the aperture being operable to provide an optical path for optical signals between the controller and an optical transmitter/receiver unit of the second memory module. Thus, the system memory provides the advantages of “free space” optical connection in a compact arrangement of memory modules. In an alternate embodiment, the first memory module includes a beam splitter attached to the module substrate proximate the aperture. In another embodiment, the first and second memory modules are staged on the carrier substrate to provide an unobstructed path for optical signals.

Abstract: An optical multiplexing device includes an optical element having at least one set of diffractive elements, and an optical reflector. The reflector routes, between first and second optical ports, that portion of an optical signal transmitted by the diffractive element set. The diffractive element set routes, between first and multiplexing optical ports, a portion of the optical signal that is diffracted by the diffractive element set. More complex optical multiplexing functionality(ies) may be achieved using additional sets of diffractive elements, in a common optical element (and possibly overlaid) or in separate optical elements with multiple reflectors. Separate multiplexing devices may be assembled with coupled ports for forming more complex devices. The respective portions of an optical signal transmitted by and reflected/diffracted from the diffractive element set typically differ spectrally.