Abstract: A method of manufacturing optical waveguides including providing a plurality of longitudinally extending, cylindrical passage-forming members positioned in parallel, spaced apart relationship. Molding a cladding member having opposed surfaces around the passage-forming members so that the passage-forming members extend through the cladding member and each of the opposed surfaces. Removing the passage-forming members from the molded cladding member subsequent to the molding step so as to leave a plurality of passages through the cladding member from one opposed surface to the other and positioning waveguide core material in the passages to form a plurality of optical waveguides.

Abstract: A method for manufacturing a molded waveguide (50) is provided. A first cladding layer (20) is provided. Channels (21) are formed in the first cladding layer (20). A second cladding layer (40) is subsequently provided. The channels (21) in the first cladding layer (20) are then filled with an optically transparent polymer. The second cladding layer (40) is subsequently affixed over the channels (21) of the first cladding layer (20), thereby enclosing the channels (21).

Abstract: An optical/electrical connector including a molded base having a well and a plurality of grooves extending from the well to a first outer edge of the base and alignment guides associated with the grooves at the first outer edge. The base further having external electrical connections with first ends exposed and positioned in the well and second ends extending outwardly beyond a second outer edge of the base. An array of photonic components is positioned in the well and each aligned with a separate groove. The array is electrically coupled to the exposed first ends of the external electrical connections of the base. The grooves are filled with a plastic material to form optical waveguides from the optical ports to the first outer edge.

Abstract: A fixture for aligning and affixing an optical fiber, including a core surrounded by a cladding layer and having an end with a taper, to an optical device, having an active area larger than a cross-section of the core of the optical fiber. The fixture includes a base with a receptacle defined therein. The receptacle extends through the base from a first side to a second side and is substantially larger than a cross-section of the optical fiber at the first side. The receptacle is smaller than a cross-section of the optical fiber and at least as large as the cross-section of the core of the optical fiber at the second side. The base further defines a tapered area in the receptacle with a taper approximately equal to the taper of the end of the optical fiber.

Abstract: A method of splicing a pair of optical fibers including, molding a base with a groove therein extending from a first inlet to a second inlet with a tapered portion at each inlet to act as a guide during the positioning of the fibers. Positioning the ends of the optical fibers in the inlets of the groove and introducing an index matching fluid into the groove. A cover having a hole therethrough may be positioned over the groove and the fluid introduced through the hole. The fluid is cured to hold the fibers fixedly in the groove and form an optical link therebetween. The cover may be molded with a perpendicular groove therein and photonic devices mounted in the cover groove.

Abstract: A mold substrate having a major surface is provided. A patterned masking layer is formed on the major surface of the mold substrate that exposes portions of the major surface of the mold substrate while other portions are covered by the patterned masking layer. The major surface of the mold substrate is etched, thereby removing exposed portions of the major surface of the mold substrate, and thus transferring the pattern from the patterned masking layer to the major surface of the mold substrate.

Abstract: A method for manufacturing a molded waveguide (50) is provided. A first cladding layer (20) is provided. Channels (21) are formed in the first cladding layer (20). A second cladding layer (40) is subsequently provided. The channels (21) in the first cladding layer (20) are then filled with an optically transparent polymer. The second cladding layer (40) is subsequently affixed over the channels (21) of the first cladding layer (20), thereby enclosing the channels (21).

Abstract: A core region (107) with an end (114) and a cladding region (108) is formed. The cladding region (108) surrounds the end (114) of the core region (107) forming a surface (119) having a lens device (102) therein. The end (114) of the core region (107) is positioned with a selected distance (118) from the lens device (102) to the end (114) of the core region (107) of the waveguide (101). A light emitting device (103) having a working portion (104) is mounted on the surface (119) of the cladding region (108) with the working portion (104) of the light emitting device (103) directed over the lens device (102) for collection and focusing of light (109) from the working portion (104) of the light emitting device (103) into the end (114) of the core region (107).

Abstract: A method of manufacturing a molded optical channel waveguide, having a critical internal reflection angle and an exposed surface, and affixing a holographic layer, having gratings formed therein, in overlying relationship with the exposed surface of the optical waveguide. The gratings are positioned to form an angle with the surfaces of the holographic layer such that light rays incident on an upper surface of the holographic layer and substantially normal thereto are diffracted by the gratings into the optical waveguide. Also, light waves travelling within the waveguide emanate outwardly through the holographic layer. Light generators and detectors are mounted to supply light to and receive light from the holographic layer.

Abstract: An optical electronic coupling device (100) including a molded waveguide (101, 301, 401) having a plurality of core regions (105) surrounded by a cladding region (103). Cross-sections of the core regions (105) are exposed in an opening (113, 213,313) at one end of the waveguide. An optical cable (102, 303) having a plurality of optical fibers (107, 108, 109, 300) with core regions (123, 124, 125) is inserted into the opening (113, 213, 313), thereby aligning the core regions (123, 124, 125) of the optical fibers (107, 108, 109, 300) with the exposed cross-sections (122) of the core regions (105) of the optical electronic device (100).

Abstract: An article and a method for making contact areas (221, 222, 230) on an optical waveguide (100, 200) are provided. A waveguide (100, 200) having a first surface (112) and a second surface (113) with a first indent (101) located on the first surface (112) and a second indent (102) located on the second surface (113) and a groove (104) is made interconnecting the first and second indents (101, 102). A low temperature melting member (111) is placed in the first indent (101) on the first surface (112) and is melted, thereby flowing the low temperature melting member into the groove (104) and into the second indent (102) located on the second surface (113).

Abstract: An optical device (112, 212, 312) with first (118) and second contacts (119, 219, 319), a molded waveguide (101,201) with first (115) and second metal tracks (117) and electrical couplings from contact (118) to the first metal track (115, 315) and from the second contact (119, 219) to the second metal track (117, 217, 317) by reflowing first and second bump balls (126) positioned between the first (118) and second (119) contacts and the first (115) and second (117) metal tracks, respectively.

Abstract: A method of coupling an optical fiber to a desired optical input wherein the optical fiber is pre-coated with a magnetic material and then placed in an elongated groove in a base, one end of which groove terminates at the desired optical input. A magnetic field is applied to hold the pre-coated optical fiber firmly in place while it is permanently mounted by some means such as soldering or an adhesive.

Abstract: A molded optical waveguide having electrical conductors molded therein for contacting an optical device mounted at one end of the waveguide and providing external electrical access to the optical device at exposed sides of the waveguide. The waveguide and assembled optical device is mounted on a printed circuit board or the like and contacted by lead wires.

Abstract: A method for manufacturing a molded waveguide (50) is provided. A first cladding layer (20) is provided. Channels (21) are formed in the first cladding layer (20). A second cladding layer (40) is subsequently provided. The channels (21) in the first cladding layer (20) are then filled with an optically transparent polymer. The second cladding layer (40) is subsequently affixed over the channels (21) of the first cladding layer (20), thereby enclosing the channels (21).

Abstract: An optical interface including a keyway formed in a printed circuit board and a mating portion attached to the ends of a plurality of optical fibers. Openings in a surface of the keyway communicate light from the fibers to semiconductor chips on the board by means of optical waveguides formed in the dielectric layers of the printed circuit board. The keyway accurately aligns the mating portion which aligns the ends of the fibers with the openings.

Abstract: An optical fiber mounted on a substrate and a semiconductor component mounted on a second substrate. The substrates abutting so that the component and fiber are optically aligned and the assembly is held in place by a first layer of adhesive which is then covered with an electroformed layer of metal to form a robust unit.

Abstract: An optical link having a terminal at each end, each terminal including formatting circuitry controllable to format transmitted data in a variety of configurations and to rectify formatting errors and failure detectors for detecting the failure of an optical path and switching to a properly operating redundant path.

Abstract: An apparatus and method is disclosed for providing a more efficient OPFET photodetector capable of handling a higher rate of data. The increased efficiency is provided by edge coupling an optical detector to a light source through an optical waveguide. A MESFET optical detector may be used with a Zinc Oxide channel waveguide.