Abstract: An optical coupler connector and a photoelectric convertor use an optical coupler to coupler light beams emitted from the light emitters to optical fibers or to couple light beams coming from optical fibers to light receivers. The optical coupler includes a main body and an insertion member that can be releasably connected with the main body, and the optical coupler can use various optical paths.

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 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 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: An optical connector for optically coupling light between an optical fiber and an opto-electronic device (OED) includes a lens body having a first lens array, a second lens array, and a reflecting surface on the optical path between the first lens array and the second lens array for reflecting the light between the optical fiber and the OED; and a seat separated from the lens body and located under the lens body for receiving the lens body therein. The seat includes an alignment feature as a datum for aligning the OED and an alignment structure for aligning the lens body, and wherein there is a predetermined position relationship between the alignment feature and the alignment structure so that the lens body aligns with the OED when the lens body is assembled in the seat.

Abstract: An optical communication device includes an optical fiber connector for positioning at least one optical fiber, a lens member for optically coupling the optical fiber with an photoelectric member, at least two metal engaging posts positioned on one of the optical fiber connector and the lens member, and at least two metal bushing members positioned on the other of the optical fiber connector and the lens member. The bushing members correspond to the engaging posts. Each bushing member defines an engaging hole for engaging with a corresponding engage post. The optical fiber connector is connected and aligned with each other by an engagement between the engaging posts and the bushing member.

Abstract: An optical triplexer and/or optical line terminal (OLT) compatible with 1.25 and 10 Gb/s passive optical networks is disclosed. The triplexer/OLT includes an optical fiber, first and second laser diodes, a photodiode, and first and second lenses. A hemispherical lens may be at an end face of the photodiode or receiver subassembly housing. A first optical splitter is mounted between the first and second lenses, and a second optical splitter is mounted between the optical fiber and the second laser diode. The first lens and first laser diode, and the second lens and second laser diode share respective common linear optical axes. The present triplexer/OLT advantageously accords with an interface standard IEEE802.3av-2009 PRX30. In addition, the present triplexer can advantageously implement analog receiving and digital transceiving, save optical fiber resources, and provide high efficiency coupling. Thus, requirements for high power output and smaller housing outlines can be served.

Abstract: An optical connector includes an insulative housing, an optical module movably retained on the insulative housing, and a spring being assembled between the insulative housing and the optical module along a front to back direction. The optical module has a hemispheric projection at a rear side thereof. The spring has a first end positioned on the insulative housing and a second end ringing on the projection and resisting against a hemispheric surface of the projection. The second end moves on the hemispheric surface of the projection when the spring is compressed to move upwardly or laterally.

Abstract: A method for fabricating an optical assembly by placing a flexible portion of a substrate, including a waveguide, upon a horizontally movable stage of a flip-chip bonder. Then moving a clamp through an opening in the stage to bend the flexible portion of the substrate to place the waveguide exposed end in approximately a vertical position and vertically downwardly moving a bond head containing an optical component upon the waveguide exposed substrate edge to position the optical component with the exposed waveguide and mounting the optical component to the substrate edge. Then releasing the optical component from the bond head while moving the clamp downward through the stage opening and unbending the flexible portion of the substrate with the optical component mounted thereon.

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 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: 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: An expanded beam optical connector including a connector body, an optical element in the form of a waveguide or active device, a beam width altering optical lens, and a transmit/receive window. The optical element, the beam width altering optical lens, and the transmit/receive window are configured such that optical signals propagate between the optical element and the transmit/receive window via the beam width altering optical lens. The transmit/receive window includes an optical medium that forms an interior surface of the transmit/receive window, an optical transition layer between the interior surface formed by the optical medium, and a protective layer forming an exterior surface of the transmit/receive window. The connector body is configured to place the exterior surface of the transmit/receive window in close contact with a mating exterior surface of a mating transmit/receive window of a complementary optical device to define a close contact portion.

Abstract: In an embodiment, a shell assembly for a communications module is described that includes a top shell, a bottom shell, and a thermal boss. The top shell has a top panel and opposing lateral side portions. The bottom shell has a bottom panel and opposing lateral side portions. The top shell and the bottom shell are configured to be assembled together to define a cavity therebetween. The cavity may be configured to receive a transceiver assembly. The thermal boss extends from the top panel and includes a thermal interface surface defining a thermal interface plane oriented at an angle relative to the top panel.

Abstract: A device comprising a molded optical structure (MOS) connected to optical fibers. The device includes optical paths through the MOS. Each optical path comprises a first section and a second section. The first section is adjacent the optical fibers. The device comprises a first lens positioned at a first end of the first section, and a second lens positioned at a second end of the second section. The device comprises a reflector positioned in the optical path. The reflector reflects light in a direction approximately orthogonal to a direction from which the light is received.

Abstract: Embodiments disclosed herein include fiber optic connectors that include a tray that translates from a retracted position to an extended position along with cable assemblies using the connector and methods for making the same. In one embodiment, the connector includes a housing, a fiber optic body having an optical interface with at least one optical channel, at least one optical fiber in optical communication with the at least one optical channel of the optical interface, a tray that is movable between a first position that retracts the tray into the housing and a second position where the tray extends from the housing, wherein the fiber optic body is essentially stationary with respect to the tray, and an actuator for moving the tray between the first position and the second position.

Abstract: An light emitting device package and a backlight unit using the same are disclosed, wherein light advancing upward from the light emitting device package can be refracted by a lens to enable the light having a uniform intensity to be emitted upwards to the advantage of efficiency and power consumption, even with a small number of light emitting devices.

Abstract: A fiber optic interface module and assemblies using same are disclosed, wherein the modules have at least one lens that defines a folded optical path through the module body. The module operably supports one or more optical fibers adjacent an end wall. The module includes one or more lenses formed therein for coupling light from one or more light sources to the corresponding one or more optical fibers. The one or more lenses each have a folded optical path formed by total internal reflection within the module body. The one or more lenses each include a lens surface configured to define a back focus that resides within a corresponding one of the optical fibers.

Abstract: An adapter includes a plug connector having a first housing defining a first mating port and a plurality of first terminals disposed in the first housing, and a receptacle connector having a second housing defining a second mating port and a plurality of second terminals disposed in the second housing and electrically connecting to the first terminals. An optical device has a first optical module and a second optical module optically connecting with each other via optical fibers. The first optical module is movably retained in the first housing while the second optical module is immovably retained in the second housing along a mating direction of the receptacle connector.

Abstract: An optical communication module includes a substrate, an optical signal receiving unit, an optical signal emitting unit and a coupler. The substrate includes a first surface and a second surface. The substrate defines through holes passing through the first and second surfaces. The optical signal receiving unit includes optical-electrical signal converters. The optical signal emitting unit includes optical signal generators. Each of the optical-electrical signal converters and the optical signal generators is mounted on the first surface and aligned with a corresponding one of the through holes. The coupler includes coupling lenses. The coupler is fixed to the second surface. Each of the optical-electrical signal converters and the optical signal generators is aligned with a corresponding coupling lens through the corresponding through hole.

Abstract: An optical receptacle includes a cylindrical optical fiber attaching section for attaching an end portion of an optical fiber by insertion; a cylindrical photoelectric conversion device attaching section that includes an inner circumferential surface into which a photoelectric conversion device having a light-receiving element is inserted and for attaching the photoelectric conversion device with an adhesive that is interposed within an annular adhesion space; and a lens for optically coupling the end portion of the optical fiber and the light-emitting element, and the lens is a Fresnel lens in which a second face that faces the light-receiving element includes a convex face.

Abstract: An optical module providing higher reliability during high-speed light modulation and a lower bit error rate when built into a transmitter (transceiver). An optical module contains a taper mirror for surface emission of output light, an optical modulator device, and an optical modulation drive circuit, and the optical modulator device and the optical modulation drive circuit are mounted at positions so as to enclose the taper mirror.

Abstract: A substrate mounting type photoelectric conversion connector capable of reducing stress produced in a portion in which a lead terminal and a substrate are connected to each other is provided. The substrate mounting type photoelectric conversion connector includes an optical unit including a fitting portion to which a mating optical member can be fit, in which at least a portion that includes the fitting portion and serves as a path of optical signals is formed of a light-transmissive material; a photoelectric conversion unit including a photoelectric conversion element that is disposed such that an optical axis coincides with an optical axis of the mating optical member; and a lead terminal that is connected to the photoelectric conversion unit and that electrically connects the photoelectric conversion element to a substrate, the optical unit provided with a substrate connecting portion that is configured connect to the substrate.

Abstract: An optical-electric coupling element includes a lower surface, an upper surface, and a first side surface. The lower surface defines a first cavity. The first cavity includes a bottom portion forming a first photic zone and a second photic zone. The first photic zone includes first coupling lenses. The second photic zone includes second coupling lenses. The upper surface defines a second cavity. The second cavity includes a sloped surface. The first side surface defines a receiving cavity. The receiving cavity includes a vertical surface forming a third photic zone and a fourth photic zone. The third photic zone includes third coupling lenses. The fourth photic zone includes fourth coupling lenses. Each third coupling lens corresponds with a respective one of the first coupling lenses. Each fourth coupling lens corresponds with a respective one of the second coupling lenses.

Abstract: A glass-silicon wafer stacked platform.

Abstract: An optical-electrical connector assembly comprises a housing, a printed circuit board received in the housing and including a number of converting elements, a lens member, a ferrule aligned with the lens member and having a resisting portion, an integrated securing member, a coiled spring received in the securing member, and an optical cable having a number of optical fibers. The ferrule has a first engaging portion and a second engaging portion engaged with the housing. The coiled spring is compressed between the resisting portion and the first engaging portion.

Abstract: An optoelectronic assembly includes a substrate subassembly and a cable subassembly. The substrate assembly includes a substrate, a holder disposed on the substrate, an optoelectronic interface IC, and a plurality of optoelectronic components. The cable subassembly includes a lens cover and a plurality of fiber cables bonded to the lens cover. The optoelectronic interface IC and the optoelectronic components are disposed in a cavity formed by side walls of the holder. The optoelectronic components include at least one laser source and a plurality of photodiodes. The lens cover is inserted into the cavity and thereby fixedly engaged with the holder.

Abstract: An AOC connector is provided that has a molded plastic leadframe that obviates the need to use an optical connector in the AOC and that is capable of operating over a wide temperature range and a large number of temperature cycles. The AOC connector includes a plastic optical port that is adapted to be connected via an optically-transparent adhesive material to an end of an optical fiber cable.

Abstract: A lens component of the present invention has an identification mark that can be formed without impairing the lens surface profile. The lens component includes: at least one set of lenses including, an element-side lens provided facing to a light emitting and receiving element; and a fiber-side lens provided facing to a transmitting and receiving optical fiber; an element-side lens forming surface formed on the element-side lens; and an identification mark provided on the element-side lens forming surface. The element-side lens and the identification mark are separated from each other by a distance that is at least the radius of the element-side lens.

Abstract: An optical connector, in which light propagating between both connectors is parallel light, capable of reducing splicing loss due to angular or axial displacement is provided. An optical connector includes a first connector that includes a collimating lens that collimates light emitted from a light emitting member into parallel light and a first fitting, and a second connector that includes a convergent lens that converges the parallel light emitted from the first connector toward a light incident member and a second fitting configured to be fitted to the first fitting, in which an inner circumferential surface of one of the fitting has a tapered surface that widens toward its front end, and an outer circumferential surface of the other of the fittings that comes into contact with the inner circumferential surface of one fitting has a tapered surface that narrows toward its front end.

Abstract: It is expected to provide an optical communication module that can avoid the reduction in the performance of light communication when an edge emitting type photoelectric device is mounted. The optical communication module is configured to include: a basement where a convex first and second lenses are integrally formed on the upper and lower surfaces, respectively; and a laser diode aligned with the first lens on the upper surface to emit light in the direction toward the first lens. It is configured that the first lens refracts the light emitted from the laser diode to become substantially parallel to the upper surface of the basement and the refracted light is reflected toward the direction of second lens.

Abstract: Provided is a compact optical communication module which is configured and structured so as to be suitable for high-speed transmission and which facilitates the fixing and positioning of optical elements and prevents misalignment of the optical axis during temperature change. An optical communication module is constituted so as to have a transceiver circuit as the circuit substrate, a submount unit, a fiber stub as an optical connector member, and an optical fiber coupling member. The optical communication module is configured as a modular component in which the optical axis of an optical element mounted on the submount unit is roughly parallel to the mounting surface of the transceiver circuit.

Abstract: An optical communication module includes an optical element array, a supporting member on which the optical element array is placed, an optical member for optically coupling the optical element array and a plurality of optical fibers together, a plurality of grooves provided in the supporting member or the optical member, and a plurality of protrusions provided on the optical member or the supporting member in correspondence with the grooves respectively. The grooves and the protrusions are mated together. The grooves are provided as being widened toward their openings. The grooves and the protrusions are each provided so that a location in a width direction at which no relative locational misalignment occurs therebetween lies on a line through the center of the optical element array. The grooves and the protrusions are each provided on at least two or more different lines through the center of the optical element array.

Abstract: An optical device board 2 is set to be a printed circuit board in which an optical device 6 is bonded into a predetermined position of a printed wiring board 5. The optical device board 2 is bonded to a base board 3 provided with a plurality of wiring terminals 7. A lens barrel 4 is bonded to the optical device board 2. The optical device 6 is bonded into a position calculated from an actual measured dimension of the printed wiring board 5, and the calculated position is held and positioning is carried out in such a manner that a central axis of the lens barrel 4 is coincident with the calculated position when the lens barrel 4 is to be bonded to the optical device board 2.

Abstract: An example embodiment includes a cable clip. The cable clip is configured to maintain engagement of an optical interface with a lens assembly included in an optoelectronic module. The cable clip includes a forward section, a clip body, a connector retention mechanism, a lens latch, and a release lever. The clip body is connected to the forward section at a clip shoulder. The connector retention mechanism is configured to retain the optical interface and extends from the clip body. The lens latch is positioned at a first end. The lens latch is configured to latch the lens assembly when a portion of the optical interface is received within the lens assembly. The release lever is connected to the forward section. The release lever is configured to unlatch the lens latch from the lens assembly in response to application of an actuation force above a particular threshold magnitude.

Abstract: An optical data communication module assembly includes a mountable module body, a fiber guide tube having one end attached to the module body, and a fiber clamp sleeve having a barrel retained within the other end of the fiber guide tube. The interior of the fiber guide tube and exterior of the fiber clamp sleeve have correspondingly tapered diameters and mating engagements. Sliding the fiber clamp sleeve within the fiber guide tube can engage and disengage these mating engagements and also clamp and unclamp an optical fiber within the fiber guide tube.

Abstract: An optical assembly (1) includes a socket (10) and an optical module (20). The socket includes a housing (11) and a number of contacts (12) received in the housing. The housing includes a bottom wall (110), side walls (111) extending upwardly form the bottom wall, and a receiving room (112) formed by the bottom and the side walls. The optical module is received in the receiving room and electrically connected with the contacts. The optical module includes a carrier (21), a lens array (22), and a waveguide (23) optically coupling with the lens array. The ferrule is used to align the waveguide with the lens array. The waveguide includes a number of reflection potions (232, 233) at an end thereof to change a transmission direction of an optical signal along a second direction with an angle relative to the first direction.

Abstract: A computer program product for fabricating an optical assembly, having a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code includes a first computer readable program code configured to horizontally position a flexible portion of a substrate including a waveguide, the waveguide exposed at one end edge of the substrate; a second computer readable program code configured to bend the flexible portion of the substrate to place the waveguide exposed end in approximately a vertical position; a third computer readable program code configured to vertically position a flip-chip bonder bond head containing an optical component upon the waveguide exposed substrate edge to optically mate the optical component with the exposed waveguide; and a fourth computer readable program code configured to fixably mount the optical component to the substrate edge.

Abstract: Ferrule assemblies having at least one coded magnetic array are disclosed. In one embodiment, a ferrule assembly includes a ferrule body having a coupling surface and a coded magnetic array having a plurality of magnetic regions. The coded magnetic array may be located within the coupling surface. The ferrule assembly further includes a lens component located within the ferrule body. The lens component may have a facet at the coupling surface of the ferrule body at a predetermined angle. In another embodiment, a translating ferrule assembly includes an optical interface and a coded magnetic array, and is configured to translate within a connector housing of an optical connector when coupled to an electronics device. Optical couplings having a coded magnetic array and sockets for receiving a connector are also disclosed.

Abstract: An optical connector includes a jumper, optical fibers and an optical-electric coupling element. The jumper includes a first side surface and a second side surface. A locating flange extends from the first side surface. The locating flange includes a first vertical surface. The jumper defines receiving holes through the first and second side surfaces and the first vertical surface. Each of the optical fibers is received in a respective receiving hole. The optical-electric coupling element includes a third side surface defining a locating cavity. The locating cavity includes a second vertical surface forming coupling lenses. The locating cavity also includes a lower sidewall and an upper sidewall defining an opening. The second vertical surface is substantially perpendicular to the upper sidewall. The locating flange is inserted into the locating cavity, with each coupling lenses aligned with a respective optical fiber.

Abstract: An optical-electrical connector (100) includes a housing (11), a circuit board (3) received in the housing and having a transducer for bidirectional optical-electrical signal conversion, a lens member (42) mounted on the circuit board, a ferrule (43) receiving a number of optical channels and having a resisting face (431), a supporting portion (51) having a base wall (511), and a resilient member. The ferrule is situated behind the lens member within the housing and aligned with the lens member along a front-to-back direction. The resilient member is permanently maintained an invariable compressed state between the base wall and the resisting face of the ferrule to provide an invariable forward resilient force to the ferrule for fixing the ferrule to the lens member, when the optical-electrical connector is used and unused.

Abstract: An optical connector includes a printed circuit board, a photoelectric element, a positioning element, and a lens element. The positioning element is positioned on the printed circuit board and covers the photoelectric element. The positioning element includes a top surface facing away from the printed circuit board, and defines a through hole in a top surface thereof to expose the photoelectric element. The positioning element also includes a mark system formed on the top surface for facilitating alignment between the positioning element and the photoelectric element. The lens element is positioned on the positioning element and includes a first surface facing the photoelectric element, and a first lens aligned with the photoelectric element.

Abstract: A fiber optic sub-assembly includes a printed circuit and a TIR sub-assembly supported by the printed circuit board. The printed circuit board includes opposed first and second surfaces and has a printed circuit board height defined by the distance between the first and second surfaces. The TIR sub-assembly has a nominal height between lowermost and uppermost portions thereof The TIR sub-assembly is at least partially integrated into the printed circuit board so that an overall stack height of the printed circuit board and TIR sub-assembly is less than the sum of the printed circuit board height and nominal height of the TIR sub-assembly.

Abstract: A total internal reflection sub-assembly includes a body defining at least a portion of an optical path, a lens supported by the body and positioned in the optical path, and an optical turning member supported by the body and configured to change the direction of the optical path. The total internal reflection sub-assembly also includes a carrier having a first surface coupled to the body and a second surface opposite the first surface. An active device is supported on the first surface of the carrier, which is coupled to the body on opposite sides of the active device. The body and carrier are shaped so that a space is maintained between the active device and an underside surface of the body. The lens is positioned on the underside surface and aligned with the active device.

Abstract: Laser treatment apparatus includes one diode-laser providing infrared radiation for the treatment and another diode-laser for providing visible radiation. A lens launches the infrared and visible radiations from the diode-lasers into the entrance face of the optical fiber for transporting the radiations to a treatment location.

Abstract: An optical module includes: a transparent substrate through which light can pass; a photoelectric conversion element mounted on the transparent substrate and emitting light toward the transparent substrate or receiving light having passed through the transparent substrate; and a support member supporting an optical fiber for transmitting light, the support member and the transparent substrate forming an optical path between the photoelectric conversion element and the optical fiber. A positioning hole is formed in the transparent substrate. A positioning pin having a tapered surface is formed on the support member. The transparent substrate and the support member are positioned with respect to one another by inserting the positioning pin into the positioning hole along the optical axis direction of light between the transparent substrate and the support member and by making the tapered surface of the positioning pin contact the edge of the positioning hole without leaving any space therebetween.

Abstract: An connector assembly (100) includes an insulative housing (1) having a main portion (11) and a tongue portion (12) extending forwardly from the main portion, a cavity (121) defined in the tongue portion; a plurality of terminals (2) retained in the insulative housing; an optical module (3) accommodated in the cavity, said optical module having a base portion and a plurality of lenses combined with the base portion; and a biasing member (4) having a holder (40), an elastic element (43) accommodated in the holder and at least one post assembled to the holder and urged by the elastic element so as to push the optical module forwardly.

Abstract: In a parallel optical communication module, an array of opto-electronic devices secured with respect to a mount and an array of optical elements of an optical device that is also secured with respect to the mount are unconstrained against relative movement due to thermal expansion of the mount and optical device. The mount and optical device can be made of materials having similar coefficients of thermal expansion. As thermal expansion in the mount causes the opto-electronic devices to move, similar thermal expansion in the optical device causes the optical elements to move to a similar extent. This co-movement of the opto-electronic devices and optical elements to similar extents promotes continued maintenance of optical alignment between opto-electronic elements and corresponding optical elements.