Abstract: Optical subassembly grounding in an optoelectronic module. In one example embodiment, a conductive OSA grounding gasket assembly includes a top gasket and a bottom gasket. The top gasket includes a top shell surface and a top OSA surface. The top shell surface is configured to be in direct physical contact with a conductive top shell of an optoelectronic module. The top OSA surface is configured to make direct physical contact with a conductive housing of an OSA. The bottom gasket includes a bottom OSA surface and a bottom shell surface. The bottom OSA surface is configured to be in direct physical contact with the conductive housing of the OSA. The bottom shell surface is configured to make direct physical contact with a conductive bottom shell of the optoelectronic module.

Abstract: An optical communication module which uses a single optical fiber to enable bidirectional communication or multiplexing communication is provided.

Abstract: A connector (100) includes an insulative housing (1) having a receiving slot (121) formed therein and a post (1221) protruding forwardly towards the receiving slot (121); a set of contacts (2) retained in the insulative housing; an optical module (3) for transmitting optical data and being movably received in the receiving slot along a front-to-back direction; and a compression coil spring (4) sandwiched between the insulative housing and the optical module, and having a front end for biasing the optical module (3) forwardly and a rear end for being retained on the post (1221).

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: An exemplary fiber optic connector includes four converging lenses and a main body. The four converging lenses each includes a base portion and two engaging portions protruding from the base portion. The main body includes a first surface and a second surface at two opposite sides thereof. The first surface has four first receiving holes defined therein for receiving four respective optical fibers. The second surface has four second receiving holes aligning with the four respective first receiving holes defined therein. In addition, the main body defines an inner surface in each second receiving hole and two first slots in the inner surface. Each second receiving hole is configured for fixedly receiving the base portion of corresponding converging lens with the two engaging portions engaging in the two first slots.

Abstract: An optical assembly can be formed by providing a frame made of a plastic material on a surface of a printed circuit board (PCB), mounting at least one opto-electronic element on the surface of the PCB within the frame, and laser-welding a lens device onto the frame.

Abstract: A connector assembly (100) includes an insulative housing having a base portion and a tongue portion extending forwardly from the base portion, the tongue portion having a top surface and a bottom surface, with a mounting cavity recessed downwardly from the top surface of the tongue portion; an optical module (5) accommodated in the mounting cavity and capable of moving therein along a front-to-back direction; and at least two magnetic elements (91, 92) disposed along the front-to-back direction and arranged in same polarities facing to each other, one of the magnetic elements (92) mounted to the optical module, and the other of the magnetic elements (91) assembled to the insulative housing.

Abstract: An optical fiber connector includes a housing, a plurality of lenses fixed to the housing, a plurality of optical fibers, and a glue. The housing defines a plurality of blind holes and receiving cavities. Each blind hole includes a first receiving hole portion. Each receiving cavity is in communication with the corresponding first receiving hole portion. Each optical fiber is received in the corresponding blind hole and includes a core portion. The glue is applied in each receiving cavity and fixes the optical fibers in the housing. Along a lengthwise direction of each blind hole, a projection of each receiving cavity on a plane perpendicular to the lengthwise direction covers that of the core portion. The glue surrounds the core portion, and a distal end of the core portion contacts an inner surface of the housing in the corresponding receiving cavity facing the respective blind hole.

Abstract: An optical fiber connector includes a lens member integrally forming pairs of lens at a front face thereof, a seat member assembly retained on a rear face of the lens member and fiber cables. The seat member defines slim grooves aligned with the lens and the fiber cables are received and retained in the slim grooves.

Abstract: The present invention provides a system, apparatus and method to improve the signal-to-noise ratio performance in receivers configured to receive differential data signals. According to various embodiments of the invention, a received differential signal is processed to consider both forward-looking and backward-looking error components to improve SNR performance, and ultimately the reach of the optical line system. Additional processing is provided to further enhance noise tolerance related to chromatic dispersion.

Abstract: An electrical-to-optical and optical-to-electrical converter plug device includes a plug-shaped housing assembly, electrical contact fingers, a substantially planar circuit substrate, an optics block, and one or more opto-electronic conversion devices mounted on the circuit substrate. The opto-electronic signal conversion device has a device optical axis oriented normal to the circuit substrate and electrically coupled to the contact fingers. The optics block has a device optical port aligned with the device optical axis. The optics block has a fiber optical port oriented perpendicularly to the device optical axis. The optics block includes an optical reflector interposed in an optical path between the device optical port and the fiber optical port for redirecting an optical signal at an angle of substantially 90 degrees between a device optical port and a corresponding fiber optical port. An optical fiber can be coupled to the fiber optical port.

Abstract: A fiber optic connector release mechanism for releasing a transceiver module in a cage permanently mounted on a PCB is disclosed. The release mechanism includes a bail rotating a U-shaped flange through a two stage travel path to urge the bail forward in a slide path on the transceiver module. The release mechanism includes a boss disposed on one of the bail and the arm assembly and a dimple disposed on another of the bail and the arm assembly to secure the bail in a locked position. As the bail moves forward from the locked position, wedge elements at the end of arms extending rearward may contact locking tabs on the cage, forcing the locking tabs outward. As the locking tabs are forced outward, the shoulders of the transceiver module are released, and the transceiver module is free to slide out of the cage.

Abstract: An embodiment relates to an image sensor comprising (a) a optical pipe comprising a core and a cladding, and (b) a pair of photosensitive elements comprising a central photosensitive element and a peripheral photosensitive element, wherein the central photosensitive element is operably coupled to the core and the peripheral photosensitive element is operably coupled to the cladding, and methods of fabricating and using the same. The image sensor could further comprise a lens structure or an optical coupler or an optical coupler over the optical pipe, wherein the lens structure or the optical coupler or the optical coupler is operably coupled to the optical pipe.

Abstract: An optical connector comprises an insulative housing defining an upper mating port, an optical device received in the housing and having at least one lens exposed to the upper mating port, and a dustproof mechanism movably retained in the housing along a mating direction of the optical connector. The dustproof mechanism includes a dustproof cover disposed in the mating port in an initial position and covering the lens, and a planar base disposed above the mating port and having a pushing projection protruding to an exterior of the optical connector. When the optical connector mates with a corresponding connector, the pushing projection is pushed to bring the dustproof cover leave from the upper mating port for allowing the lens to be exposed to exterior for mating with the corresponding connector.

Abstract: A cable assembly includes an insulative housing having a main portion, and a mating portion extending forwardly from the mating portion. An optical device is attached to the housing and has a pair of optical module movable accommodated in the mating portion along a front-to-back direction for optical transmitting. The optical modules each has a seat and a number of lenses supported by the seat. The pair of optical modules are adapted for connecting two corresponding connectors, respectively, and a combination of the pair of the optical modules is also adapted for connecting a single corresponding connector.

Abstract: Disclosed herein is an integrated optical sub-assembly for a diplexer, which can adopt a low-price small aperture isolator by disposing an isolator closer to a ferrule, such that the isolator may be distanced from a laser diode, and so the total cost can be reduced and the construction can be simplified; and an integrated optical sub-assembly for a triplexer, which has simplified construction for reducing the manufacturing costs, and whose exterior dimension can be reduced and the manufacturing can be easier by adopting a ball lens for narrowing the beam width.

Abstract: An optical transceiver calibration system and manufacturing method to fabricate a dual closed loop control transceiver are provided. The calibration system and method includes measuring an operating temperature and determining operational parameters based upon the operating temperature. The operational parameters may include, for example, a target power for transmitting a digital one, a target power for transmitting a digital zero, a modulation current, and a bias current. A bias may be added to the temperature to account for the difference between the temperature at the temperature sensor and the optical equipment. The operational parameters are preferably calculated independently of each other and are used as initial values during operating modes and allow the control loop to converge more quickly. The optics data is may be scanned electronically via bar code or some other electronic format prior to test. The software residing on the module then calibrates and configures the transceiver.

Abstract: An accessory is adapted to removably couple to a laser source connector separate from a fiber connector. The accessory includes a first contact element configured to form an electrical connection to a first portion of the laser source connector. The accessory further includes a second contact element configured to form an electrical connection to a second portion of the laser source connector. The second portion of the laser source connector is electrically insulated from the first portion of the laser source connector. The accessory also includes a network connected to the first contact element and the second contact element. The network establishes a defined electrical characteristic between the first and second contact element when a fiber connector is connected to laser source connector.

Abstract: A fiber optic connector release mechanism is disclosed. The mechanism may be used to release a transceiver module housed in a cage that is permanently mounted on a printed circuit board. The release mechanism may include a cam mounted bail that rotates a U-shaped flange through a two stage travel path to urge the bail forward in a slide path on the transceiver module. As the bail begins to move forward, wedge elements at the end of a pair of slide arms extending rearward from the bail may contact locking tabs on the cage, forcing the locking tabs outward. As the locking tabs are forced outward, the shoulders of the transceiver module are released, and the transceiver module is free to slide out of the cage as the operator pulls on the bail.

Abstract: An electro-optical module includes an optical lens block, a fiber connector, and a metal latch member adapted to hold the assembly of the optical lens block and the fiber connector together and on a printed circuit board. The latch member includes a metal sheet substantially covering the assembly, depending legs for snap-locking to the printed circuit board, springs at a rear end of the assembly and compress during insertion of the fiber connector, and latching arms with hooks for latching onto two opposite end portions of a front end of the assembly after the insertion and release of the springs.

Abstract: The present invention provides an optical connection component which comprises a solid state laser component for emitting a modulated beam of light in response to an applied electrical signal. The optical connection component also comprises an optical lens positioned relative to the solid state laser component at a predetermined position in which the optical lens reduces divergence of the emitted beam of light. The optical lens is formed at the predetermined position in a manner such that the optical lens is immobile relative to the solid state laser component. The optical connection component further comprises an optical waveguide having a core for guiding the light. The optical waveguide has first and second end-portions. The first end-portion is positioned for coupling the modulated light from the optical lens into the core.

Abstract: A core pin assembly is provided that includes a core pin insert comprising a core pin body and at least one pin member, and a core pin support defining a passageway for receiving the core pin member. The core pin support, when assembled to the core pin insert, retains the core pin members in desired positions and resists unintended flexing of the core pin members during the molding process. When used to create a lens body, the presence of the core pin support in the mold during the molding process causes formation of a void, or “window,” in the molded lens body. The window of the lens body may be used to advantage in fixing optical fibers to the lens body by applying epoxy within the window directly to the fiber's glass core/cladding, and in close physical proximity to the fibers distal end within the lens body's passageway.

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 system is disclosed for an improved ROSA that has increased sensitivity for permitting greater numbers of ONTs to be connected to an optical network per defined transmission line distances. The ROSA configuration includes a digital optical module with improved performance characteristics. This digital optical module has replaced a conventional photodiode with a PIN detector that is coupled with the TIA. The resulting digital optical module containing this PIN/TIA configuration when incorporated in a ROSA provides a single ROSA solution that will meet or exceed the ITU/IEEE FTTx standards for short and long distances under substantially all operating conditions.

Abstract: The disclosure relates to optical fiber transmission systems, and in particular, pertains to the transceiver cards in an optical fiber transport system. In particular the disclosure teaches an improved transceiver card architecture that allows high density, flexibility and interchangeability of functionality.

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 connector having a body with an outer surface, a first cavity extending within the body from the outer surface and a second cavity spaced apart from the first cavity and extending within the body of the connector from the outer surface. An optical component is positioned within the first cavity and an ejector, which extents into the second cavity, is coupled to the optical component. A biasing mechanism is operatively coupled to apply a biasing force to the ejector to secure the optical component within the first cavity. When a force greater than the biasing force is applied to the ejector within the second cavity, the ejector ejects the optical component from the first cavity so that it extends beyond the outer surface.

Abstract: A connector assembly includes an insulative housing having a base portion extending along a longitudinal direction, and a first body and a second body located at opposite sides of the base portion and protruding beyond the base portion along a mating direction thereby defining a first mating cavity therebetween. An optical device is retained on the base portion, with a pair of lens projecting into the first mating cavity. A first terminal group is retained in the base portion with contacting portions located above the lenses in a vertical direction perpendicular to the longitudinal direction and mating direction. A second terminal group is respectively retained in the first and second bodies and arranged as a symmetrical manner with respect to the base portion.

Abstract: The invention provides a fiber collimator array including a fiber array in which a plurality of optical fibers is arrayed and a microlens array in which microlenses are arrayed on positions corresponding to the plurality of optical fibers on a transparent substrate. Each microlens and the transparent substrate are oppositely arranged so that a plurality of projections formed on a bottom face of each microlens intersects with a plurality of projections formed on a surface of the transparent substrate, and each microlens and the transparent substrate are adhered to each other by the adhesive.

Abstract: A cable assembly (1000) includes an insulative housing (1); a terminal module (22) assembled to the insulative housing, the terminal module including a plurality of terminals (222) combined with an insulator (221); at least one lens (81) supported by the insulative housing; a cable (6) having a plurality of wires (61, 62), a fiber (65) and a strength member (66), the wires electrically connected to the terminals, the fiber optically coupled with the lens; and an anchoring member (9) having a holding portion (91) combined with the strength member (66) and a locking portion (92) engaged with the terminal module.

Abstract: An optical receptacle which couples a connector ferrule in which an optical fiber is inserted and an optical semiconductor package. The optical receptacle comprises: a precise sleeve which holds the connector ferrule; a receptacle body including a connection portion connected to the optical semiconductor package, a cylindrical portion in which the precise sleeve is inserted; a partition portion located between the connection portion and the cylindrical portion; and a transparent member confined in a region between an inner end portion of the precise sleeve and the partition portion, without being fixed.

Abstract: An optical receiver includes a light receiving element for converting an optical signal to an electrical signal having a first bandwidth and an amplifier for amplifying the electrical signal. The amplifier has a first gain response that yields a second bandwidth that is less than the first bandwidth. The optical receiver also includes an equalizing circuit operationally coupled to the amplifier. The equalizing circuit has a second gain response that compensates for the first gain response of the amplifier so that a substantially constant net gain is imparted by the amplifier and the equalizing circuit to the electrical signal over the first bandwidth.

Abstract: A first toroidal ray guide defines an axis of revolution and has a toroidal entrance pupil adapted to image light incident on the entrance pupil at an angle to the axis of revolution between 40 and 140 degrees, and it also has a first imaging surface opposite the entrance pupil. A second toroidal ray guide also defines the same axis of revolution and has a second imaging surface adjacent to the first imaging surface. Various additions and further qualities of the ray guides, which form optical channels, are disclosed. In a method light emanating from a source at between 40-140 degrees from an optical axis is received at an entrance pupil of a ray guide arrangement that is circularly symmetric about the optical axis. Then the received light is redirected through the ray guide arrangement to an exit pupil in an average direction substantially parallel to the optical axis.

Abstract: An optical module with an arrangement is disclosed in which the module has the LD, the TEC, and the lens with the lens carrier also mounted on the TEC. The signal light from the LD is concentrated by the lens and reflected by the mirror each assembled with the lens carrier mounted on the TEC. The TEC is mounted on the bottom metal that covers the bottom of the ceramic package, the first layer of which is widely cut to set the TEC therein. The FPC is coupled in at least two edges of the first ceramic layer left from the cut.

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: Provided are an optical receptacle capable of manufacturing an optical module thereby, while suppressing a manufacturing cost, preventing a quality degradation, and suppressing a quantity of returning light by reflection. In the optical receptacle, a recess for receiving a lens and a lens support and a through-hole penetrating from a bottom of the recess toward an exterior are formed, and the recess is formed so that an inner peripheral surface of the recess is fixed to a desired position with respect to an outer peripheral surface of the lens support, in a case where the lens and the lens support are received in the recess such that an optical axis of the lens and an optical axis of the optical fiber to be inserted into the through hole are deviated from each other.

Abstract: A connector (100) includes a metallic shell (5) having a mating frame part, said mating frame part including a number of sides together enclosing a hollow portion, and the hollow portion divided into two ports with different shapes; an insulative housing (1) having a base portion (11) and two juxtaposed tongue portions (12, 13) extending forwardly from the base portion, with a plurality of contacts (21, 22) mounted to the tongue portions, two lens members (4) received in lateral sides of one of the tongue portions; and the two tongue portions respectively received in the two ports.

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 (30) and a plurality of lenses (33) combined with the base portion, and the base portion having a top surface and a bottom surface, and the top surface with an identifying color.

Abstract: An off-axis misalignment compensating fiber optic cable plug is provided. The plug has a cable interface to engage a fiber optic core end, where the fiber optic core has a cross-sectional area. The plug also includes a lens having a first surface to transceive an optical signal with a jack. The first surface has a cross-sectional area at least 30 times as large as the core cross-sectional area. The lens has a second surface to transceive optical signals with the fiber optic line core end. In one aspect, the lens has an axis and the lens first surface is convex with a radius of curvature capable of receiving an optical signal beam with a beam axis of up to ±2 degrees off from the lens axis. Even 2 degrees off-axis, the lens is able to focus the beam on the fiber optic line core end.

Abstract: Fiber optic cable jacks and plugs are provided. In one aspect, a cable is made from at least one length of fiber optic line having a first end and a second end. A first plug includes a one-piece mechanical body with a cable interface to engage the fiber optic line first end, and a microlens to transceive light with the cable interface. The first plug is shaped to engage a first jack housing. A second plug includes a one-piece mechanical body with a cable interface to engage the fiber optic line second end, and a microlens to transceive light with the cable interface. The second plug is shaped to engage a second jack housing. The mechanical bodies have inner walls that form an air gap cavity interposed between the microlens convex surface and an engaging jack optical interface.

Abstract: An optical-electrical processing jack is provided. The optical processing jack includes an optical jack with a jack housing having walls and an orifice for mechanically and optically engaging an optical plug housing. A signal bridge, with a bridge element, transceives optical signals between the optical plug and a backcap processing module. The backcap processing module includes a backcap housing with walls, attached to the jack housing and an optical element. The optical element has an optical interface to transceive an optical signal via the signal bridge, and convert optical signals and electrical signals transceived via an electrical interface. In one aspect, the bridge element is a lens with a first surface to transceive an optical signal with the optical plug, and a second surface to transceive the optical signal with the optical element optical interface. For example, the optical element is a photodiode or laser source.

Abstract: In an optoelectrical connector that is composed of a plug including an insertion fitting part and a receptacle including a housing space into which the insertion fitting part of the plug is inserted, the plug is provided with an optical connection part (an optical member) on a front end of the insertion fitting part and an electric connection part (terminals) more rearward than the optical connection part. The receptacle is provided with an optical connection part (an optical member) on the deep side of the housing space and an electric connection part (movable contact pieces of terminals) more frontward than the optical connection part. A shutter is formed on the immediate front of the optical connection part of the receptacle and the shutter opens in the optical connection.

Abstract: An optical subassembly (OSA) with a newly arranged optical device is disclosed. The OSA provides a ceramic package that installs a semiconductor optical device, a joint portion welded to a lid of the ceramic package, and an optical coupling portion that receives an external optical fiber. In the OSA, the seal ring put between the top of the multi-layered ceramic package and the lid is isolated from the optical device; accordingly, the lid, the joint portion and the optical coupling portion are electrically isolated from the semiconductor optical device even when the OSA is installed in an optical apparatus such as an optical transceiver.

Abstract: An optoelectronic device comprising a gradient index lens having an optical length, L, wherein L=P/4+NP/2, where N is an integer equal to or greater than 0 and P is the pitch of the gradient index lens. If the desired focus spot is spaced from the end face of the gradient index lens, the optical length L can be adjusted accordingly as a function of that distance and the index of refraction of the medium occupying that distance.

Abstract: An optical transmission/reception device includes at least one light emitting portion and at least one light receiving portion on the same substrate. The light emitting portion includes at least a lower multilayer reflector and an active layer provided on the lower multilayer reflector. A metal layer including a plurality of opening portions is provided in an upper portion of the light emitting portion. Each of the opening portions has a size smaller than a light emission wavelength of the light emitting portion.

Abstract: An object of the present invention is to provide a technique making it possible to easily manufacture a multi-channel optical module in which optical elements are air-sealed. In the optical module, a package 111 with optical elements mounted thereon is sealed with a transparent plate 109. Above a sealing window of the package, a lens plate 105 having holes 104 or grooves 201 and engagement pins 101 are engaged and optically aligned with each other.

Abstract: An exemplary fiber optic connector includes four converging lenses and a main body. The main body includes a first surface and a opposite second surface. The first surface defines four receiving holes for receiving four optical fibers. The converging lenses are arranged on the second surface and align with the respective receiving holes. The second surface defines two receiving slots for fixedly receiving two fixing protrusions of a complementary fiber optic connector, as well as two buffer slot. The two buffer slots each are located between the converging lens and the receiving slot, and are configured for allowing two portions of the main body to be bendable, such that precise alignment of the converging lens and the receiving slot is maintained.

Abstract: An optical transmitter relaxes the tolerance between a source assembly and a fiber receptacle to facilitate passive alignment. The source assembly includes a light source and a lens. The lens is held at a fixed distance away from the light source using precise support structures typically formed by photolithographic processes. The fiber receptacle includes an optical element. The fiber receptacle is adapted to hold an optical fiber at a fixed distance from the optical element. The lens substantially collimates light from the light source into the form of collimated light. The optical element focuses the collimated light onto the aperture of the optical fiber.

Abstract: A transceiver module includes a receptacle assembly that isolates the signal ground potential at which an opto-electronic subsystem operates from the chassis ground potential at which the transceiver module housing is maintained, while also helping maintain optical alignment of the system elements. The receptacle assembly can include a receptacle made of metal, a coupling made of metal, and a connector made of a dielectric material. The connector is interposed between the receptacle and the coupling to electrically isolate the signal ground potential of the opto-electronic subsystem from the chassis ground potential of the housing and receptacle. As the metal receptacle is mounted in an opening of the housing, it helps shield the housing against EMI.

Abstract: A fiber optical connector microlens is provided with a self-aligning optical fiber cavity. The microlens includes a convex first lens surface and a second lens surface. A fiber alignment cavity is integrally formed with the second lens surface to accept an optical fiber core. A lens body is interposed between the first and second lens surfaces, having a cross-sectional area with a lens center axis, and the fiber alignment cavity is aligned with the lens center axis. In a first aspect, the fiber alignment cavity penetrates the lens second surface. In a second aspect, an integrally formed cradle with a cradle surface extends from the lens second surface, and a channel is formed in the cradle surface, with a center axis aligned with the lens center axis. The fiber alignment cavity includes a bridge covering a portion of the channel.