Abstract: An optical launch arrangement includes a fiber assembly for securing an array of optical fibers. The optical launch arrangement also includes an asymmetric lenslet array having a first surface with a pair of coupling lenses in registration with each optical fiber in the array of optical fibers and a second surface with a collimating lens in registration with each pair of coupling lenses.

Abstract: A multi-channel transmitter optical sub-assembly (TOSA) is provided. The multi-channel TOSA includes a stem including a sub-mount, a plurality of light sources mounted on the sub-mount, a common ground pad disposed at the sub-mount and connected to ground electrodes of the light sources in common, a common lead pin installed at the stem, and connected to the common ground pad, and a thermistor mounted on the sub-mount along with the light sources.

Abstract: Methods and systems for facilitating alignment of optical systems and optoelectronic systems are disclosed here. The methods and systems include passively detecting images, determining relative positions of components and aligning components. An imaging component can detect images and determine relative positions and repositioning instructions.

Abstract: A fiber optic harness assembly includes first through sixth groups of optical fibers and first and second connector sets. The groups of optical fibers are arranged in data transmission pairs such that one group of each pair is configured to transmit data and the other group is configured to receive data. The pairs of the groups are organized such that a first pair includes the first and second groups, a second pair includes the third and fourth groups, and a third pair includes the fifth and sixth groups. The optical fibers of the groups are sized and routed to facilitate low-skew and efficient parallel optics connections for high-speed data transmission.

Abstract: An optical receptacle disposed between a photoelectric conversion device and an optical fiber includes a light separating section for separating incident light into monitor light and fiber coupled light, which section includes a segmented reflective surface and a segmented transmitting surface. The reflective surface for reflecting light as monitor light is disposed in a segmented manner with spaces in a segmentation direction. The transmitting surface is disposed in a segmented manner in areas where the reflective surface is not disposed, so as to transmit a portion of light other than the reflected light in a direction directly oppose to the direction of the reflected light and to advance the other portion of light towards the side of an end face of the optical fiber.

Abstract: An optical connector adapted to be attached to an electronics module having optical-electrical conversion electronics and a module optical window. The optical connector has a connector optical window and a port for an optical link that is optically couplable to the connector optical window. The connector optical window is constructed and arranged to optically align with the module optical window when the optical connector is attached to the electronics module.

Abstract: An optical signal transmission device includes a first and a second photoelectric converting device, a first and a second connector, a plurality of first optical fibers, a plurality of second optical fibers, and an adapter module. The first and the second photoelectric converting devices are electrically connected with the first and the second electronic device. The first and the second connectors separately define a plurality of first and second fixed grooves. The adapter module includes a first and a second adapter portion. The first adapter portion defines a plurality of third fixed grooves. The second adapter portion defines a plurality of fourth fixed grooves. Several optical couplings are generated between the first connector and the first photoelectric converting device, between the second connector and the second photoelectric converting device, and between the first adapter portion and the second adapter portion.

Abstract: An interposer comprising: (a) a planar substrate having top and bottom surfaces, said bottom surface defining at least one ferrule alignment structure, and one or more fiber bores extending from said bottom surface to said top surface, each fiber bore being in a certain position relative to said ferrule alignment structure and adapted to receive a fiber; (b) one or more lenses on or near said top surface, each lens aligned with one of said fiber bores; (c) at least one ferrule having an end face and comprising one or more fibers protruding from said end face, and at least one alignment feature cooperating with said ferrule alignment structure to position said ferrule precisely on said bottom surface such that said fibers are disposed in said fiber bores and are optically coupled with said lenses; and (d) at least one optical component having one or more optical interfaces and being mounted on said top surface such that each of said optical interfaces is aligned with one of said fiber bores and is optically co

Abstract: An optical-electric converting module includes a printed circuit board (PCB) and an optical-electric coupling element. The PCB includes a supporting surface, laser diodes and photo diodes. The laser diodes and the photo diodes are positioned on the supporting surface. The optical-electric coupling element includes a lower surface. The lower surface defines a cavity. A bottom portion of the first cavity forms light-receiving coupling lenses and light-emitting coupling lenses. The optical-electric coupling element is positioned on the supporting surface, with each light-receiving coupling lens being aligned with a laser diode, and each light-emitting coupling lens being aligned with a photo diode. A distance between the light-receiving coupling lenses and the laser diodes is equal to a distance between the light-emitting coupling lenses and the photo diodes in a direction perpendicular to the support surface.

Abstract: As only either of light emitting side wirings and light receiving side wirings crossover each other, the same connectors 30 may be mounted at opposite ends of an optical fiber. Thus, it is possible to provide an optical connector module at low cost. Further, as the optical fiber is connected straight from one side to the other side, an assembly process is easy.

Abstract: A unitary fiber optic ferrule reflects light off an interior lens and through the fiber optic ferrule. Optical fibers can be easily secured in the unitary fiber optic ferrule. An adapter to secure the unitary fiber optic ferrule to a optical component assembly is also presented. The adapter provides a sealing function for the lenses and to provide routing for optical fibers from other assemblies of unitary fiber optic ferrules and adapters.

Abstract: An optical module includes a photoelectric conversion element optically connected to an optical fiber, a plate-shaped substrate mounting the photoelectric conversion element, coupling members fixed to both end portions of the substrate so as to sandwich the photoelectric conversion element, and a cover member coupled to the substrate by the coupling members so as to cover at least a portion of the substrate.

Abstract: An optical communication connector having a connector housing that includes opposite mating and loading sides and a housing cavity that extends therebetween. The optical communication connector also includes an optical module that is positioned within the housing cavity and a biasing element that is positioned between the optical module and the loading side in the housing cavity. The biasing element has a module end, a back end, and a resilient spring portion that extends between the module and back ends. The spring portion includes an elongated body having a plurality of flexible bend segments that wrap back-and-forth within a spring plane. The spring portion is compressible between first and second states during a mating operation between the optical module and an optical connector.

Abstract: A fiber connector assembly is provided. The fiber connector assembly includes a fiber connector, a zig-zag member, a signal direction element, and a signal splitting element. The fiber connector receives an input signal from an input fiber. The zig-zag member relays the input signal using a plurality of relay mirrors. The signal direction element directs the input signal and the output signal. The signal splitting element separates the output signal from the input signal. The fiber connector couples the output signal to an output fiber.

Abstract: An optical waveguide includes a first cladding layer, at least two core portions formed on the first cladding layer and extended in a first direction, at least two groove portions formed in each of the core portions at positions spaced apart from each other in the first direction, each groove portion having an inclined surface, an optical path conversion mirror formed on one of the inclined surfaces formed in each of the core portions, and a second cladding layer formed on the first cladding layer and the core portions. The optical path conversion mirrors formed in the core portions adjacent to each other are arranged at positions different from each other in the first direction. The groove portions formed in the core portions adjacent to each other are arranged at the same positions in the first direction.

Abstract: An apparatus includes one or more optoelectronic transducers, driving circuitry, one or more cooling elements, and a light coupling module. The optoelectronic transducers are configured to convert between optical signals conveyed over optical fibers and respective electrical signals. The driving circuitry is configured to process the electrical signals. The cooling elements are configured to remove heat that is produced at least by the driving circuitry. The light coupling module is configured to couple the optical signals between the optical fibers and the optoelectronic transducers, and additionally serves as a baseplate for the cooling elements.

Abstract: An optoelectronic transmission module is applied in an optoelectronic connector for data transmission. In the present invention, one flexible circuit board and two hard circuit boards are in electrical connection, among which the first circuit board is electrically connected with an optoelectronic module for connecting with an optical fiber. With this structure, the second and the third circuit boards can transmit or receive data through the optical fiber of the first circuit board. In this manner, this invention can conduct bidirectional data transmission so as to save significantly the consumption of manufacturing cost of the optoelectronic module.

Abstract: A satellite test signal reflection apparatus for testing transmitters sending out optical signals, the apparatus includes a plate that is at least partially permeable to optical signals. The plate has a base with a first surface with a residual reflective coating and a second surface. The residual reflective coating is configured to split an optical beam, which penetrates the plate in a first direction from the first surface to the second surface, into a reflective optical beam and a transmitted optical beam.

Abstract: A system includes an optical transmitter package comprising an optical transmitter to generate optical transmission signals based on electrical transmission signals. The system also includes an optical receiver package comprising an optical receiver to generate electrical reception signals based on optical reception signals. The system further includes a printed circuit board (PCB) on which the optical transmitter package and the optical receiver package are mounted. The PCB includes a heat generating circuit component. The optical transmitter package can be mounted to the PCB to subjected to less heat from the heat generating circuit component than the optical receiver package.

Abstract: Provided herein is a system that includes a communication link between a first electronic device and a second electronic device. The communication link includes a first flat connector disposed in the first electronic device and a second flat connector disposed in the second electronic device. Each of the flat connectors includes a lens coupled to a fiber optic cable. Data is transferred through the communication link from the first flat connector to the second flat connector over an air gap between the first flat connector and the second flat connector.

Abstract: An optical-electrical converting module includes a housing and a PCB with electrical terminals, optical-electrical converting components, and a reflector. The housing includes a first end surface and an opposite second end surface, and defines a receiving space including a first opening defined in the first end surface and a second opening defined in the second end surface. The PCB is received in the receiving space, the PCB includes a first end adjacent to the first opening and a second end adjacent to the second opening. The electrical terminals are arranged on the second end and are electrically connected with the optical-electrical converting components. The reflector is mounted on the first end, and includes a first optical surface facing the first opening, a second optical surface facing the optical-electrical converting components, and a reflective surface titled relative to the first optical surface and the second optical surface.

Abstract: Disclosed are optical connectors having lenses along with methods for making the same. In one embodiment, the optical connector includes a fiber body having a front portion with a plurality of fiber guides, and a connector body having a plurality of connector body fiber guides that lead to a plurality of lenses at a front portion of the connector body. The fiber body attaches to the connector body and may align a plurality of optical fibers to the lenses at the front portion of the connector body. One embodiment has the fiber body configured as a crimp body with a barrel at a rear portion for attaching a fiber optic cable.

Abstract: An optical module includes a housing, an optical adapter attached to an end portion of the housing, and an optical transmitter and receiver assembly mounted in the housing. The optical transmitter and receiver assembly includes a TOSA including a plurality of light-emitting elements, a ROSA including a light-receiving element, and a circuit board electrically connected to the TOSA and the ROSA. The TOSA further includes a TOSA base having an opposing side surface on which the plurality of light-emitting elements are oppositely arranged so as to form at least one pair. The circuit board includes a first flexible substrate mounting the TOSA and a first rigid substrate connected to the first flexible substrate. The first flexible substrate includes a TOSA base facing-portion facing the TOSA base, and a connection portion extending from both end portions of the TOSA base-facing portion and connected to the plurality of light-emitting elements.

Abstract: A photoelectric coupling module includes a substrate, a photoelectric unit, and a lens module. The photoelectric unit is positioned on the substrate, and includes at least one light emitter and at least one light receiver. The lens module is positioned on the substrate, and includes a reflection surface, at least two first lenses, and at least two coupling portions. Each coupling portion includes a receiving part and a second lens received in the receiving part. Optical axes of the first lenses cross optical axes of the second lenses of the at least two coupling portions on the reflection surface. The first lenses are aligned with the at least one light emitter and the at least one light receiver.

Abstract: An optical receptacle is capable of actualizing, at low cost, optical transmission accompanying monitoring in which light of a light-emitting element is extracted in a direction along a substrate at an optical transmission body. In an embodiment, light of a light-emitting element 7 that has been incident on a first surface 2a (11) is separated into coupling light and monitor light using total reflection at a coupling light total reflection surface 14 and a first monitor light total reflection surface 15. The coupling light is emitted towards an optical transmission body 5 from a third surface 2c (12), and the monitor light is emitted towards a light-receiving element 8 from the first surface 2a (13).

Abstract: An optical connector includes a substrate, a photoelectric element, and a base. The substrate includes a bearing surface. The photoelectric element includes a base, at least one light emitter, and at least one light receiver. The base is positioned on the bearing surface and includes an installing surface substantially perpendicular to the bearing surface. The light emitters and the light receivers are positioned on the installing surface. The optical element includes at least two first lenses and at least two second lenses aligned with the first lenses. The light emitters and the light receivers are aligned with the first lenses.

Abstract: An optical fiber connector for positioning a number of optical fibers is provided. The optical fiber connector includes an assembling portion and a number of guiding blocks protruding from the assembling portion. The assembling portion defines a number of positioning holes corresponding to the optical fibers in position. The guiding blocks and the positioning holes are alternatively arranged on the assembling portion. Each guiding block includes a wedge portion at an end away from the assembling portion for guiding a corresponding one of the optical fibers into a corresponding one of the positioning holes.

Abstract: An optical-electric conversion connector configured to be connected to a mating connector. The optical-electric conversion connector includes an optical semiconductor element for converting between an optical signal and an electrical signal; a supporting member for supporting the optical semiconductor element; a contact member connected to the optical semiconductor element for contacting with a mating contact member of the mating connector; a first resin member formed of a transparent resin for integrally holding the optical semiconductor element, the supporting member, and the contact member, and a second resin member mounted on an outer surface of the first resin member. The first resin member is arranged to seal at least the optical semiconductor element. A method of producing the optical-electric conversion connector includes an element arrangement step, a conductive member connecting step, a first resin molding step, and a second resin molding step.

Abstract: An opto-electronic device includes an optical engine module and an electrical socket. The optical engine module includes an optical engine, an optical transmission interface for coupling with an optical device and an electrical transmission interface, the electrical transmission interface having electrical pads. The electrical socket includes a plurality of BGA terminals, each terminal having a module-connecting end and a board-connecting end. The electrical transmission interface is removeably assembled in the electrical socket and the electrical pads contact the module-connecting ends of the electrical socket.

Abstract: Fiber optic connectors are provided that include a substrate having a groove therein, an optical fiber that is at least partly in the groove, an optical mode field converter or other focusing reflector that is positioned to receive an optical signal that is output from the optical fiber and a housing that surrounds the substrate and the optical fiber.

Abstract: There is provided an optical-electrical hybrid module including a substrate on which a plurality of optical communication modules are arranged, the plurality of optical communication modules transmitting or receiving an optical signal through an optical fiber cable and performing conversion between the optical signal and an electrical signal. A shield case covering the optical communication modules includes a surface inclined in a direction away from a position in which the optical fiber cable is mounted to each optical communication module.

Abstract: Circuit boards employing optical interfaces optically connected to surface-accessible, planar-shaped inter-board optical fiber traces, and related connectors, assemblies, and methods are disclosed. The circuit boards include inter-board optical fiber traces optically connected to optical components interfacing optical signals to electronic signal components in the circuit board. Providing inter-board optical fiber traces protects the optical fiber traces from the environment. To optically interface to the inter-board optical fiber traces, planar-shaped end portions of the inter-board optical fiber traces are provided surface accessible on the circuit board. In this manner, optical interfaces can be optically connected to planar-shaped, end portions of the inter-board optical fibers traces to establish optical connections.

Abstract: An optics system module for use in an optical communications module is provided that can be more easily aligned with the module during the mounting process, that reduces the possibility of the fiber ends being damaged when they are connected to the respective optical ports of the optics system, and that eliminates or reduces the occurrence of Fresnel losses at the interfaces between the fiber end faces and the optical ports. The optical ports have non-round shapes that are symmetrical to the shapes of the fibers in the transverse direction, i.e., in the direction that is transverse to the optical axes of the fibers. The non-round, symmetrical shape of the optical ports reduces the amount of force that the optical ports exert on the respective optical fibers.

Abstract: A data communication system is disclosed including a cable medium and modulator adapted to carry data and power between a high speed data source and a high speed data sink. Relatively high speed data (e.g. the TMDS data of an HDMI interface) may be carried on optical waveguides in the cable medium. Relatively low-speed data (e.g., DDC data and clock, and CEC of an HDMI interface) may be carried on a separate set of optical waveguides or wire mediums. The optical waveguides allow for substantially less signal distortion of the high-speed data, thereby allowing the cable medium to achieve much higher lengths without significantly affecting the high-speed signaling.

Abstract: An optical module includes a housing, an optical adapter attached to an end portion of the housing, and an optical transmitter assembly mounted in the housing. The optical transmitter assembly includes a TOSA including a plurality of light-emitting elements for outputting optical signals, and a circuit board electrically connected to the TOSA. The TOSA further includes a TOSA base having opposing side surfaces on which the plurality of light-emitting elements are oppositely arranged so as to form at least one pair. The TOSA base includes a light outputting surface having an optical component mounting portion formed thereon, and the optical component mounting portion mounts an optical multiplexer including a plurality of filters.

Abstract: An optical connector includes a printed circuit board (PCB), an optical-electric coupling element, and a jumper detachably attached to the optical-electric coupling element. The optical-electric coupling element is positioned on the PCB. The optical-electric coupling element includes at least two first coupling lenses and a sloped surface. The optical-electric coupling element defines a stepped receiving cavity in its sidewall. A bottom surface of the stepped receiving cavity forms at least two second coupling lenses. The jumper is detachably inserted into the stepped receiving cavity, and the jumper has at least two receiving holes receiving at least two optical fibers. Each optical fiber is optically aligned with a respective second coupling lens. Each second coupling lens is optically aligned with a respective first coupling lens via the sloped surface.

Abstract: An opto-electronic system includes a system substrate, a lens, a bridging device, and an opto-electronic chip mounted in a cavity in the system substrate. The bridging device, which can be another chip, a lens block, or an interposer, is mounted in flip-chip orientation to the opto-electronic chip and provides electrical interconnection with signal conductors of the system substrate.

Abstract: A unitary fiber optic ferrule reflects light off an interior lens and through the fiber optic ferrule. Optical fibers can be easily secured in the unitary fiber optic ferrule. An adapter to secure the unitary fiber optic ferrule to a optical component assembly is also presented. The adapter provides a sealing function for the lenses and to provide routing for optical fibers from other assemblies of unitary fiber optic ferrules and adapters.

Abstract: An apparatus for providing self-aligned optical coupling between an opto-electronic substrate and a fiber array, where the substrate is enclosed by a transparent lid such that the associated optical signals enter and exit the arrangement through the transparent lid. The apparatus takes the form of a two-part connectorized fiber array assembly where the two pieces uniquely mate to form a self-aligned configuration. A first part, in the form of a plate, is attached to the transparent lid in the area where the optical signals pass through. The first plate includes a central opening with inwardly-tapering sidewalls surrounding its periphery. A second plate is also formed to include a central opening and has a lower protrusion with inwardly-tapering sidewalls that mate with the inwardly-tapering sidewalls of the first plate to form the self-aligned connectorized fiber array assembly. The fiber array is then attached to the second plate in a self-aligned fashion.

Abstract: Provided are a method and a system, in which a first device aligns a chip to a socket along a first axis. A second device aligns the chip to the socket along a second axis, and a third device aligns the chip to the socket along a plane formed by the first axis and a third axis. Also provided is a system comprising a first optical element, and a second optical element, where a first elastic element is coupled to the first optical element, and a second elastic element is coupled to the second optical element, and where the first elastic element is aligned to the second elastic element via elastic coupling.

Abstract: An optical communication module in which the pin arrangement can be applied flexibly. An optical communication module has an outer shape formed based on normal standards and which is able to communicate with a host-side circuit board, etc. to which it is fitted, via a predetermined communication interface; wherein the optical communication module exchanges input/output I/F information with the circuit board, etc., and the communication interface can be switched to another communication interface based on these input/output I/F information.

Abstract: A multi-channel optical receiving module includes a first substrate disposed on a bench, optical fibers disposed in grooves of the first substrate, a first lens disposed on the first substrate and collimating optical signals through the optical fibers, a second substrate disposed on the bench at a side of the first substrate, a light receiving device disposed on the second substrate, a second lens disposed over the light receiving device, a mirror reflecting the optical signals between the first lens and the second lens, and a block fixing the mirror. The block includes through-holes transmitting the optical signals between the first and second lenses without refraction of the optical signals.

Abstract: A device, system, and method of attaching fiber optics to a transceiver are provided. Specifically, a connector module may include a fiber input angled relative to a lens groove or set of grooves such that the inherent stiffness of the fiber can be used to provide a positive pressure of the fiber when attaching the fiber to the groove or set of grooves.

Abstract: An optical board (100) includes a base layer (1), an optical module (4) assembled to the base layer, and an optical layer (2) attached to the base layer and defining a receiving recess (23). The optical module includes a ferrule (41) received in the receiving recess and defining a number of grooves (4131), and a number of optical circuits (42) positioned in the grooves of the ferrule. The optical circuits extend outside of the ferrule and into the optical layer.

Abstract: A monolithically integrated, self-aligning, optical-fiber ferrule for a pigtailed opto-electronic module. The ferrule includes a body, a cavity defined within the body, a lateral alignment structure, and an optical-fiber stop. The cavity is to accept and align an optical fiber with an end of the cavity to face an optical aperture of an opto-electronic component. The lateral alignment structure is to self-align laterally the optical fiber with the optical aperture. The optical-fiber stop is coupled to the body, to self-align vertically the optical fiber. The body, the cavity, the lateral alignment structure and the optical-fiber stop are integrated together as a portion of a monolithically integrated chip. A system and a pigtailed opto-electronic engine that include the ferrule are also provided.

Abstract: The present invention provides a connector unit that can surely position and connect a plurality of optical fiber plugs in a short time and easily release a connected state of optical fiber connectors even if the number of optical fiber connectors increases. A connector unit includes a positioning member for positioning a plurality of optical fiber plugs, an adapter that has plug guide holes for inserting tip ends of the optical fiber plugs to connect with the optical fiber plugs, and guide portions for guiding the positioning member with respect to the adapter and inserting the tip ends of the optical fiber plugs into the plug guide holes of the adapter to connect with the optical fiber plugs.

Abstract: The invention relates to a test adapter (1) for operatively connecting a chip to be tested to a test device. The test adapter has a three-dimensional construction with a baseplate (8) and a cover plate (2). The cover plate (2) has a contact array (3) having contact elements (9) coordinated with the chip to be tested in terms of number and arrangement. Arranged between the baseplate (8) and the cover plate (2) are side walls (4) which are arranged at an angle with respect to the cover plate (2) and have a number of individual connectors (5) that is coordinated with the chip to be tested.

Abstract: An apparatus includes one or more optoelectronic transducers, driving circuitry, one or more cooling elements, and a light coupling module. The optoelectronic transducers are configured to convert between optical signals conveyed over optical fibers and respective electrical signals. The driving circuitry is configured to process the electrical signals. The cooling elements are configured to remove heat that is produced at least by the driving circuitry. The light coupling module is configured to couple the optical signals between the optical fibers and the optoelectronic transducers, and additionally serves as a baseplate for the cooling elements.

Abstract: An optical fiber coupling connector includes a circuit board, light-emitting modules, light-receiving modules, an optical coupling module, a receiving member, and optical fibers. The optical coupling module includes a main body and converging lenses. The main body has a first optical surface, a second optical surface perpendicular to the first optical surface, and a reflection surface oblique relative to the first and second optical surfaces. The converging lenses are formed on the first optical surface and are aligned with the light-emitting modules and the light-receiving modules. The receiving member includes a front end portion and a rear end portion at opposite sides and defines through holes extending from the front end portion to the rear end portion. The receiving member is coupled with the main body, and the front end portion faces the second optical surface. The optical fibers are received in the through holes.

Abstract: A circuit board assembly includes a circuit board, a first optical transceiver electrically connected to the circuit board, a first transparent shell optically coupled with the first optical transceiver, a second optical transceiver electrically connected to the circuit board, a second transparent shell optically coupled with the second optical transceiver, and a plurality of light wave guides optically coupled with the first transparent shell and the second transparent shell. The first optical transceiver sends first light signals. The first light signals are transmitted through the first transparent shell, the light wave guides, and the second transparent shell and are received by the second optical transceiver. The second optical transceiver sends second light signals. The second light signals are transmitted through the second transparent shell, the light wave guides, and the first transparent shell and are received by first optical transceiver.