Abstract: An optical connector reduced in size and capable of reducing optical coupling losses when optical waveguides are connected to each other, and a method of manufacturing the same are provided. The optical connector comprises: an optical waveguide including cores for transmitting light, an under cladding layer provided under the cores, and an over cladding layer provided over the cores; and a ferrule section for optical connection provided in each end portion of the optical waveguide. Part of at least one of the over cladding layer and the under cladding layer lying in a location corresponding to each end portion of the optical waveguide is thick-walled to become the ferrule section for optical connection. A thin-walled part of the optical connector lying between the ferrule sections is an optical waveguide section. The optical connector requires no additional component as a ferrule, and is made small in size.

Abstract: A fiber optic connector that employs an optical fiber guide member, and a cable assembly that uses the connector are disclosed. The connector has a connector housing formed by mateable sections. The connector housing defines a housing passage having opposite connector-end and channel-end portions that define respective connector-end and channel-end passages, with the channel-end portion configured to be arranged adjacent the end of a fiber optic cable. An optical fiber guide member is disposed in the channel-end passage and has a first transition end that faces the connector-end passage. The optical fiber guide member has a conduit configured to loosely confine and guide the optical fibers to the connector-end passage. Connector sub-assemblies can be operably supported at the connector-end portion supporting end portions of the optical fiber.

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: There is described a method for fabricating an optical connector comprising: embedding each one of a plurality of first optical waveguides in a corresponding one of a plurality of first grooves of a first substrate; embedding each one of a plurality of second optical waveguides in a corresponding one of a plurality of second grooves of a second substrate; abutting the plurality of first optical waveguides and the plurality of second optical waveguides against walls of the plurality of first grooves and the plurality of second grooves, respectively, by securing a spacer plate between the first substrate and the second substrate so that the first optical waveguides and the second optical waveguides extend along a same axis, thereby obtaining an optical assembly having a front end substantially perpendicular to the axis; and beveling the front end of the optical assembly, thereby obtaining a beveled end for the first optical waveguides and a beveled end for the second optical waveguides offset along the axis for

Abstract: A repeatable optical waveguide interconnection may include first and second optical waveguides having respective first and second end faces. Each of the first and second optical waveguides may include a core having a core index of refraction, and a cladding surrounding the core and having a cladding index of refraction different than the core index of refraction. The repeatable optical waveguide interconnection may further include a first index matching elastomeric solid layer having a proximal face chemically bound to the first end face and a low-tack distal face opposite the proximal face to be repeatably optically coupled to the second end face. Further, the first index matching elastomeric solid layer may have an index of refraction matching at least the index of refraction of the core.

Abstract: A device and a method for forming a ceramic ferrule blank are provided. A shaped wire (2) is disposed in a mold cavity (1) for form a blank, a knock pin mold (4) is disposed in a lower opening of the mold cavity (1), an axle hole (5) for the shaped wire (2) to pass through is opened in the knock pin mold (4), two punching half dies (6) and corresponding half die press heads (7) are disposed over the mold cavity (1), a wire groove (8) for receiving the shaped wire (2) is opened on a side of the half die press head (7), one end of the shaped wire (2) is fixed over the knock pin mold (4), and the other end is clipped by a wire clip unit (9).

Abstract: According to at least one exemplary embodiment a ferrule, comprises: (i) a bore extending from a rear of the ferrule to a front of the ferrule, wherein the bore is sized to receive an optical fiber and a buffer layer at one end face of the ferrule; and (ii) an end stop sized to engage the buffer layer and to contain the optical fiber within said ferrule. In some embodiments the ferrule includes an optical fiber situated within the bore.

Abstract: The invention provides an optical printed circuit board, comprising: plural polymer waveguide sections from independent waveguides, each of the sections being doped with an amplifying dopant; an optical pump source to pump the plural polymer waveguide sections, wherein the plural waveguide sections are arranged close or adjacent to one another such that a the optical pump source is able to pump plural of the optical waveguide sections.

Abstract: Systems and methods according to these exemplary embodiments provide for optical interconnection using dual micro-ring resonators in a multilayer structure. Multi-wavelength optical signals can be redirected on a wavelength-by-wavelength basis, or larger, from input ports on a first layer to output ports on a second layer of an optical device.

Abstract: A method for making a combined light coupler and light pipe comprises providing a mold with an elongated chamber having two ends and having an appropriate shape to form the combined light coupler and light pipe. The formed light pipe has an elongated shape. The formed light coupler has an inlet end for receiving light and an outlet end for transmitting light to the light pipe, and is shaped in such a way as to transform at least 70% of the light it receives into an appropriate angular distribution needed for total internal reflection within the light pipe. A cross-linkable polymer having a weight average molecular weight ranging from about 2,000 to about 250,000 daltons is provided. At least part of the chamber of the mold is filled and contacted with the polymer, which is then cross-linked, such that the formed light coupler and light pipe have a unitary construction.

Abstract: A method for mating optical fibers, a fiber optic connector, and a fiber optic subassembly are provided in which mating fibers have angled end faces joined by index matching fluid, but in which the angled end faces of the fibers are positioned relative to one another in rotationally misaligned relationship. Applicants discovered unexpectedly that optical fibers can be spliced, to provide satisfactory optical connections, without the need for matched cleaves, and without the need for precise rotational alignment of the cleaves, provided that angled end faces are provided on both the launch and receive fibers and that index matching gel is provided between the angled end faces. Thus, the fibers are mated in positions other than in the precise rotationally aligned position previously believed essential to adequate optical performance. Angled end faces may be positioned less than 165 degrees out of phase.

Abstract: An optical fiber connector includes an optical fiber coupling portion and an optical element portion attached to the optical fiber coupling portion. The optical fiber coupling portion includes a first engaging surface and a through hole exposed at the first engaging surface. The through hole receives an optical fiber. The optical element portion includes a second engaging surface engaged with the first engaging surface and a lens portion aligned with a central axis of the through hole. A method for making the optical fiber connector is also provided.

Abstract: Provided are an optical module, and an optical printed circuit board and a method of manufacturing the same. The optical module includes an optical fiber, a first ferrule coupled to one end of the optical fiber, and a second ferrule coupled to the other end of the optical fiber. The optical printed circuit board includes a first board, an optical transmitter module and an optical receiver module, which are disposed on the first board, an optical fiber passing through the first board, the optical fiber extending integrally from a lower side of the optical transmitter module to a lower side of the optical receiver module, first and second ferrules coupled to one end and the other end of the optical fiber, respectively, the first and second ferrules being supported by the first board, and a second board through which the optical fiber passes, the second board being disposed below the first board.

Abstract: A breakout assembly in accordance with one aspect of the invention includes a housing including a tubular body defining a passage extending from a first end to an opposite second end of the body. An interior surface of the body includes a plurality of longitudinal guides, the interior surface further including a stop. The tubular body defines a plurality of openings extending through the body on opposite sides of the stop. The breakout assembly further includes a cap which is slidably received within the body of the housing, wherein notches within the cap receive the guides of the housing, and wherein the cap is engageable with the stop. The cap defines a plurality of internal openings extending through the cap. A multi-fiber cable can be received within the body from one end, and a plurality of breakout tubings are received within the body of the opposite end.

Abstract: An underground utility enclosure assembly with a sealed fiber distribution enclosure includes a grade level box and a removable cover that mounts to the box. The cover includes a removable plug that provides access to the interior of the box. A removed plug area in the cover allows access to utility cables contained in the box and access to the interior of the sealed fiber distribution enclosure mounted to the open plug area. The bottom of the enclosure includes a rigid lower base frame assembly that removably attaches to the open plug area, and an above-ground fiber distribution base structure affixed to a cable opening passing through the base frame assembly. The sealed fiber distribution enclosure can be removed as a unit from the cover on the grade level box, with active cables undisturbed, and moved to a remote site for making above-ground fiber optic cable splices. The sealed fiber distribution enclosure then can be re-installed in the cover plate, with the active cables undisturbed.

Abstract: The present invention relates to a 3-D waveguide coupling device capable of two-step coupling and a manufacture method thereof, the 3-D waveguide coupling device comprises: a first substrate, at least one waveguide layer, at least one assisting grating, at least one coupling material layer, and at least one 3-D tapered structure layer, wherein 3-D waveguide coupling device is able to couple the light into the waveguide layer by way of two-step coupling through the 3-D tapered structure layer, the coupling material layer and the assisting grating. Moreover, the light can also be coupled out from the waveguide layer through the assisting grating, the coupling layer, and the 3-D tapered structure. The manufacture method is adapted to fabricate the 3-D waveguide coupling device capable of two-step coupling via the present semiconductor process technology without increasing any other new equipment.

Abstract: A silicon based optical modulator apparatus can include a lateral slab on an optical waveguide, the lateral slab protruding beyond side walls of the optical waveguide so that a portion of the optical waveguide protrudes from the lateral slab towards a substrate.

Abstract: A method for connecting optical fibers and a connection structure of optical fibers capable of suppressing axial misalignment between cores in end-to-end connection of optical fibers at least one of which has a clad for a non-circular shape.

Abstract: There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and/or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.

Abstract: A method of forming a waveguide or an optical assembly includes molding a waveguide material, optionally in alignment with one or more optical components. The one or more optical components are aligned in a precision mold that is also used to form the waveguide. A cladding and encapsulation material can also be molded. The molded materials can be used to hold the components together in alignment in a single assembly. A connector structure can be molded as part of the assembly or can be prefabricated and incorporated into the molded assembly to facilitate connecting the assembly to other components without requiring active alignment or polishing of optical fiber ends.

Abstract: A manufacturing method of a high-reliability optical fiber coupler includes (1) manufacturing the optical fiber coupler by a fused biconical tapering process employing a parallel sintering process, and detecting via a tension test the strength of the optical fiber resulting from the sintering process, securing the strength thereof being greater than or equal to 1N; (2) fixing both ends of the sintered optical fiber coupler in a U-shaped quartz groove via hardening adhesive, and filling inside of the U-shaped quartz groove around the coupling arm at both ends thereof with adhesive to shorten the suspending length of the optical fiber; (3) inserting the U-shaped groove containing the optical fiber coupler into a circular quartz tube, and fixing both ends of the circular quartz tube via hardening adhesive; and (4) sleeving a stainless steel tube around the circular quartz tube, and sealing both ends of the stainless steel tube.

Abstract: A method for producing the optical coupler includes mounting a first conversion element on an upper surface of a first terminal plate, mounting a second conversion element on an upper surface of a second terminal plate, supplying a translucent primary mold resin in a fluidized state to the upper surfaces of the first terminal plate and the second terminal plate such that the first conversion element and the second conversion element are covered with the primary mold resin, curing the primary mold resin while inverting vertically the first terminal plate and the second terminal plate to retain the primary mold resin in a state in which the primary mold resin hangs from the first terminal plate and the second terminal plate, and covering a surface of the primary mold resin with a secondary mold resin having a refractive index lower than that of the primary mold resin.

Abstract: A taper angle of a self-written optical waveguide to be formed is increased or decreased at a desired position. A range of light (aperture number) condensed by a focusing lens 31 is adjusted by an iris diaphragm 22? in which the hole diameter can be changed from 1 mm to 12 mm. An image of the self-written optical waveguide 51 being fabricated is taken with a CCD camera 70, and image processing of the image is executed in real time by an image processing device 71. The taper angle of the self-written optical waveguide 51 is measured, and the taper angle of the self-written optical waveguide 51 can be desirably increased or decreased by changing the diameter of iris diaphragm 22?.

Abstract: The invention relates to a pump coupler (2) and a manufacturing method. The pump coupler (2) comprises a least one signal fiber (50) for outputting optical energy, multiple pump fibers (31) for inputting optical energy into the signal fiber (50), and a coupling structure (40) for coupling the optical energy of the pump fibers (31) into the signal fiber (50). A signal feed-through fiber (32) goes through the coupling structure (40). In accordance with the invention the coupling structure (40) is a tapering capillary tube (40) having a first wide end (65) and a second narrow end (70), the pump fibers (31) are connected to the wide end of the capillary tube (40), and at least the narrow end (70) of the capillary tube (70) is collapsed around the signal fiber (32).

Abstract: A multi-core optical fiber which has a plurality of core portions arranged separately from one another in a cross-section perpendicular to a longitudinal direction, and a cladding portion located around the core portions, the multi-core optical fiber comprises a cylindrical portion of which diameter is even, and a reverse-tapered portion gradually expanding toward at least one edge in the longitudinal direction, wherein a gap between each adjacent ones of the core portions in the reverse-tapered portion is greater than that in the cylindrical portion.

Abstract: A method of manufacturing a light guide plate containing a plurality of light-guiding micro structures comprises the steps of: preparing a mold that has a concave hole formed by a plurality of light-guiding micro structures; pouring a mixture of ultraviolet curable resins and glass microbeads into the mold; attaching a carrier onto the mixture; using a rolling tool to roll the surface of the carrier, such that the mold is filled up with the mixture uniformly, while the air among the mold, the carrier and the mixture is discharged; and finally projecting the ultraviolet light onto the ultraviolet curable resin, such that the ultraviolet curable resin can be cured at the carrier and removed from the mold, so as to form a light guide plate having a plurality of light-guiding micro structures.

Abstract: Ferrules having anti-rotation features along with fiber optic connectors using the same are disclosed. The ferrules have a body with a first diameter and at least one bore extending from a rear end of the ferrule to a front end of the ferrule. The ferrule has at least one anti-rotation feature such as a rib. The ferrule may be part of a ferrule assembly that includes a ferrule holder where the anti-rotation feature improves the bond between the ferrule and the ferrule holder. Methods for making the ferrules and assemblies using the ferrule are also disclosed.

Abstract: An optical fiber that permits, even when the cladding outer diameter thereof is smaller than 125 ?m, an eased splicing with other optical fiber using a general-purpose ferrule, is provided. The optical fiber comprises: a first optical fiber having a first core and a first cladding having a cladding outer diameter smaller than 125 ?m, wherein the first cladding has a plurality of air holes that extend longitudinally along the axis of the first core; a second optical fiber having a second core to be spliced to the first core, and a second cladding having a cladding outer diameter larger than the outer diameter of the first cladding, wherein the second cladding is to be spliced to the first cladding; and a fusion splice formed between the end of the first optical fiber and the end of the second optical fiber by fusion.

Abstract: An optical transmission module has an optical transmission path in which optical transmission is performed between a first circuit board and a second circuit board disposed opposite the first circuit board. The optical transmission path has a folded structure having a bending radius. A circumferential portion drawn by the bending radius is provided substantially perpendicular to board surfaces of the first circuit board and the second circuit board.

Abstract: A repeatable optical waveguide interconnection may include first and second optical waveguides having respective first and second end faces. Each of the first and second optical waveguides may include a core having a core index of refraction, and a cladding surrounding the core and having a cladding index of refraction different than the core index of refraction. The interconnection may further include a first index matching elastomeric solid layer having a proximal face coupled to the first end face, and a distal face opposite the proximal face to be repeatably optically coupled to the second end face. The first index matching elastomeric solid layer may have an index of refraction profile matching an index of refraction of the core and the cladding.

Abstract: An optical connector that is assembled onto a terminal of an optical fiber cable including tension bodies. The optical connector includes a housing, a ferrule that is provided in the housing, and a fixing cap that is mounted on the housing. The housing includes a fixing portion of which an outer peripheral surface is provided with a screw portion. While the tension bodies leading from the terminal of the optical fiber cable are interposed between the housing and the fixing cap, the fixing cap is screwed onto and fixed to the fixing portion.

Abstract: The present invention provides a composite light guiding plate comprising a light guiding layer comprising an incident face for receiving light from at least one light source, a light guiding output surface that is also generally orthogonal to the incident face, a featured surface, opposite the light-guiding output surface and generally orthogonal to the input face for redirecting light through the light guiding output surface. Further, the featured surface comprises a plurality of rows of linear prismatic structures extended in a length direction that is substantially perpendicular to the incident face and having height and width dimensions of 10 to 200 microns and wherein the length-to-width aspect ratio of the linear prismatic structures is greater than 100:1 the thickness of the light guiding layer is less than 1 mm.

Abstract: Fiber optic connectors and other structures that can be easily and quickly prepared by the craft for termination and/or connectorization in the field are disclosed. More specifically, the fiber optic connectors and other structures disclosed are intended for use with glass optical fibers having a large core. In one embodiment, the fiber optic connector includes a a body having a portion with a retaining structure for securing an optical fiber and a front portion having a passageway sized to receive an optical fiber and a buffer layer through a front end. Methods of making the fiber optic connectors and other structures are also disclosed. The methods disclosed allow “rough cutting” of the optical fibers with a buffer layer thereon by the craft.

Abstract: Fiber optic connectors and other structures that can be easily and quickly prepared by the craft for termination and/or connectorization in the field are disclosed. More specifically, the fiber optic connectors and other structures disclosed are intended for use with glass optical fibers having a large core. In one embodiment, the fiber optic connector includes a ferrule having a bore sized to receive an optical fiber and a buffer layer at a front end face of the ferrule. Methods of making the fiber optic connectors and other structures are also disclosed. The methods disclosed allow “rough cutting” of the optical fibers with a buffer layer thereon by the craft.

Abstract: A fiber optic jumper cable having a central axis includes a bend-resistant multimode optical fiber generally arranged along the central axis. A tensile-strength layer surrounds the bend-resistant optical fiber. A protective cover surrounds the tensile-strength layer and has an outside diameter DO in the range 1.6 mm?DO?4 mm.

Abstract: An optical fiber comprising: (i) a multi-mode silica based glass core, said core having a 80-300 ?m diameter and an index of refraction n1; (ii) a cladding surrounding the core, said cladding having a thickness ?20 ?m and index of refraction index of refraction n2<n1, the cladding comprising (a) fluorine doped silica with relative index of refraction delta <0, or (b) a polymer with relative index of refraction delta <0; (iii) a protective coating, the protective coating having a Young's modulus greater than 700 MPa, a thickness ?15 ?m, and an index of refraction index of refraction n3>n2; and (iv) a permanent buffer.

Abstract: Structures, devices and methods are provided for creating fiber optic adapter plates with integrated fiber optic adapters. In one aspect, fiber optic adapter plates having integrated fiber optic adapter subassemblies are formed from a moldable plastic. For example, a molded plastic fiber optic adapter plate can include a molded plastic adapter back plate having a plurality of integrated fiber optic adapter subassemblies and one or more attachment mechanisms that facilitate locating and attaching an adapter front plate having a corresponding plurality of integrated fiber optic adapter subassemblies on the adapter front plate. Advantages provided by integrating fiber optic adapters into the molded plastic assemblies include superior mechanical strength, manufacturing cost reductions and adapter placement flexibility among other advantages.

Abstract: A method of manufacturing an optical sensor module which eliminates the need for the operation of alignment between a core in an optical waveguide section and an optical element in a substrate section and which achieves improvement in alignment accuracy and reduction in costs, and an optical sensor module obtained thereby. An optical waveguide section W2 including protruding portions 4 for the positioning of a substrate section and groove portions 3b for fitting engagement with the substrate section, and a substrate section E2 including positioning plate portions 5a to be positioned in the protruding portions 4 and fitting plate portions 5b for fitting engagement with the groove portions 3b are individually produced.

Abstract: A light source adapter to mechanically interconnect a light box and a fiber optic cable. The adapter engages the light box and defines an interior cavity to receive a ferruled fiber optic cable. The exterior surface of the ferrule comprises a circumferential ridge and groove that reversibly interacts with a spring inside the adapter cavity. The spring is biased to require sufficient force to insert or remove the ferrule. The geometry of the circumferential ridge or groove can optionally be modified to increase or decrease the amount of force required to effect insertion or removal of the ferrule inside the cavity.

Abstract: A method of butting and connecting a first optical fiber and a second optical fiber in an optical connector comprises placing said optical connector that holds said first optical fiber in wherein an optical fiber connection tool; mounting said optical fiber holder on a holder mounting base of a front end bevel processing tool; processing a front end face of said second optical fiber such that said front end face of said second optical fiber is beveled relative to the surface perpendicular to the optical fiber axis direction; transferring said optical fiber holder to said holder support base; and moving said optical fiber holder toward said optical connector along said guide part, and butting and connecting the beveled front end face of said second optical fiber to the front end face of said first optical fiber such that their bevel directions are aligned.

Abstract: A method for assembling a fiber optic connector that includes heating an end of a cleaved fiber, inserting the end of the cleaved fiber into a ferrule until the end protrudes from the ferrule, wherein a first portion of the heated end protrudes from the ferrule and a second portion of the heated end remains in the ferrule, fixing the fiber in place in the ferrule, and polishing the end of the cleaved fiber.

Abstract: Ferrules having at least one tapered fiber channel that supports at least one optical fiber are disclosed. The at least one tapered fiber channel is defined by at least one channel wall. The material making up the channel wall is at least one of deformable and removable by forcible contact by the at least one optical fiber when the optical fiber is inserted into the fiber channel. This results in the formation of an interference fit between the front channel end and the optical fiber end when the diameter of the optical fiber end exceeds the diameter of the channel front end. The fiber channel wall may optionally include at least one deformable and/or removable-by-contact protrusion, with the at least one protrusion preferably being located in the channel section adjacent the narrow front channel end. Methods of forming the ferrules are also disclosed. Single-fiber and multi-fiber optical fiber connectors that employ the ferrules are also disclosed.

Abstract: An optical fiber connector includes a pair of optical fibers and a seat defining a pair of lenses at a front edge thereof and passageways aligned with the lenses respectively and receiving the optical fibers. The seat defines a pair of first apertures at a first surface thereof communicating with the passageways, and a pair of second aperture at a second surface thereof opposite to the first surface communicating with the passageways. Rear insides of the first apertures are aligned with front insides of the second apertures.

Abstract: An optical element includes a first and a second layer in a first and a second region respectively in light propagating direction; a first and a second core layer above the first and the second layers respectively; a top layer above the first and the second core layer, the first and the second core layer extend in succession in the light propagating direction, a first projecting section exposes a side of the first core layer is in the first region, a second projecting section exposes at least part of a side of the second core layer is in the second region, a bottom section of the first projecting section is positioned below the bottom surface of the first core layer and the second core layer, and a bottom section of the second projecting section is positioned higher than the bottom section of the first projecting section.

Abstract: An opto-electric hybrid module capable of shortening the distance between a light-emitting section or a light-receiving section of a semiconductor chip and a reflecting surface formed in a core to reduce optical losses between an opto-electric conversion substrate section and an optical waveguide section, and a method of manufacturing the same. A recessed portion (3a) is formed in a surface of an over cladding layer (3) of the optical waveguide section (W1). At least part of the light-emitting section (7a) or the light-receiving section of the semiconductor chip (7) for opto-electric conversion and at least part of a loop portion (8a) of a bonding wire (8) in the opto-electric conversion substrate section (E1) are positioned within the recessed portion (3a). This brings the light-emitting section (7a) or the light-receiving section of the semiconductor chip (7) and the reflecting surface (2a) formed in the core (2) closer to each other.

Abstract: A method of manufacturing an optical path change optical connector, the method including: resin-molding a core part, the core part including an optical-fiber-hole-formed portion having an optical fiber hole, and a positioning structure portion for positioning the core part with respect to the circuit board; inserting an optical fiber into the optical fiber hole; and over-molding the core part with light-transmitting resin, covering a front end face of the optical-fiber-hole-formed portion and forming an inclined internal reflective surface opposite to the front end face of the optical-fiber-hole-formed portion, such that the inclined internal reflective surface is positioned to reflect light between the optical fiber inserted into the optical fiber hole and an optical element disposed on a circuit board on which the core part is mounted.

Abstract: The present invention relates to a device having an optical fiber coupled to a high pressure containment vessel and a method for making the same. The high pressure containment vessel can be an optical fiber based flow cell for a chromatography system.

Abstract: A fiber optic connector assembly includes a connector and a carrier. The connector has a first mating end and a second end and a first optical fiber terminated thereto. The fiber defines a first end adjacent the mating end and a second end protruding from the second end of the connector. A polymeric carrier having a connector end and an oppositely disposed cable end is engaged with the connector. The carrier includes a heat activated meltable portion adjacent the cable end. An alignment structure is disposed on the carrier that includes a first end, a second end, and a throughhole. The first end of the alignment structure is for receiving the second end of the first optical fiber and the second end of the alignment structure is for receiving an end of a second optical fiber entering the cable end of the carrier.

Abstract: An optical device comprising a substrate having a planar surface and having an optical core thereon. The device also comprises a two-dimensional grating located in the optical core, said two-dimensional grating being formed by a regular two-dimensional pattern of light-refractive structures, one of said light-refractive structures being located at each node of a regular 2D lattice located in a laterally bounded region. The device also comprises first and second optical waveguides being on the planar substrate and having ends end-coupled to the two-dimensional grating, the first optical waveguide being such that a direction of propagation near the end thereof is substantially along a primitive lattice vector of said 2D lattice, the second optical waveguide being such that a direction of propagation near the end thereof is not-parallel to a primitive lattice vector of said regular 2D lattice.

Abstract: The present invention discloses a method for manufacturing a zero-order diffractive filter comprising a high-index material having an upper surface and a lower surface. The high-index material is positioned between a first low-index matter and a second low-index matter; the lower surface is adjacent to said first low-index matter and the upper surface is adjacent to the second low-index matter. Moreover, the high-index material has an index of refraction that is higher than the index of refraction of both said first low-index matter and said second low-index matter. The method comprises at least the following procedure: selectively providing, by employing at least one wet-coating technique, at least one of the following at least partially: the high-index material onto said first low-index matter.