Abstract: A method organizes fibers. A plurality of fibers is received into a first assembly. An initial sequence of the plurality of fibers in the first assembly is obtained. A set of key combinations is identified from the initial sequence and a predetermined sequence. A second assembly is slid across the first assembly. The set of key combinations is actuated to move the plurality of fibers from the first assembly to the second assembly and order the plurality of fibers in the second assembly in the predetermined sequence.

Abstract: An adapter holds a multi-fiber ferrule in position to mate with a multi-fiber ferrule in a fiber optic connector. The adapter includes an adapter body that has a first opening in a first side of the adapter body that receives the multi-fiber ferrule and a second opening in the second side of the adapter body to removably receive the fiber optic connector. The adapter also includes a pair of latches connected to the adapter and disposed adjacent the first opening to engage and hold the multi-fiber ferrule in the adapter. The pair of latches are connected to the adapter body along longer edges of the first opening and extend in a direction away from the first and the second openings, the pair of latches having a terminal end and a non-uniform thickness between the adapter body and terminal ends.

Abstract: An optical subassembly for non-reciprocal coupling of light from a planar optical waveguide output outside the optical subassembly to an optical fiber includes a carrier configured to support the optical subassembly, an optical fiber fixed to the optical subassembly, a focusing optical system consisting two foci with one focus coincident with the input of optical fiber, an optical isolator to transmit light unidirectionally between two foci, an input boundary provided by the carrier to align the optical subassembly with the planar optical waveguide output. In particular, the optical subassembly is operably configured to provide a low transmission loss for light traveling from the planar optical waveguide output to the optical fiber.

Abstract: An optical waveguide device is disclosed, in which an input section comprises a first waveguide substrate and a first relief grating formed on a surface thereof, and refractive indices n1, n2 of the first relief grating and the first waveguide substrate satisfy n2<n1, such that a first maximum average number of reflections that a light beam within a predetermined FOV range is subjected to on the surface after diffraction of the predetermined order before leaving a region where the first relief grating lies, is N, and N?2, wherein when N?1, N?M?0.25; when 1<N?1.5, N?M?0.5; and when 1.5<N?2, N?M?0.75, wherein M is a second maximum average number of reflections assuming the first waveguide substrate has the same refractive index as the first relief grating.

Abstract: An optical waveguide adapter assembly comprises a solid core optical waveguide extending between a free end and a coupled end and having a solid waveguiding core with an associated first optical mode field size; a hollow core optical waveguide extending between a free end and a coupled end and having a hollow waveguiding core with an associated second optical mode field size; and an optical mode field adapter extending between a first end and a second end and having a waveguiding core configured to change an optical mode field of a waveguided optical signal substantially between the first optical mode field size at the first end of the optical mode field adapter and the second optical mode field size at the second end of the optical mode field adapter, the first end of the optical mode field adapter joined to the coupled end of the solid core optical waveguide to provide optical coupling between the waveguiding core of the solid core optical waveguide and the waveguiding core of the optical mode field adapter

Abstract: An OSFP optical transceiver having split multiple fiber optical port using reduced amount of MPO terminations is provided that includes two adjacent sockets integrated into the optical port of the OSFP optical transceiver. The two adjacent sockets are vertically oriented with respect to the mounting baseplate of the OSFP optical transceiver, and each of the two adjacent sockets is adapted to receive an MPO receptacle that terminates the proximal end of a bundle of fibers. The OSFP optical transceiver also includes an optical connection between each socket and a corresponding lens in the OSFP optical transceiver, for transmitting optical signals received from other transceivers into the OSFP optical transceiver and optical signals generated in the OSFP optical transceiver to other transceivers.

Abstract: A fiber optic assembly is provided including a support substrate having a substantially planar surface, a signal-fiber array supported on the planar surface of the support substrate. The signal-fiber array including a plurality of optical fibers and an adhesive disposed on the plurality of optical fibers and the support substrate. Each of the optical fibers is spaced from adjacent optical fibers of the plurality of optical fibers at a precise pitch.

Abstract: An optical module according to an embodiment includes a first optical component and a second optical component including a multicore fiber (MCF) and a spatial joining part. The first optical component includes a first uncoupled MCF having small optical coupling between cores and a first coupled MCF having a mode field diameter (MFD) larger than a MFD of the first uncoupled MCF. The second optical component includes a second uncoupled MCF having small optical coupling between cores and a second coupled MCF having a MFD larger than a MFD of the second uncoupled MCF. In the first coupled MCF and the second coupled MCF, crosstalk is periodically produced along the length direction of an MCF, and the total of the length of the first coupled MCF and the length of the second coupled MCF is a length L in which crosstalk is suppressed.

Abstract: An optical connection structure includes a MCF, a first ferrule, a plurality of optical fibers, and a second ferrule. The MCF includes first cores and a first cladding. The first ferrule has a first inner hole and a first ferrule end surface. Each optical fiber optically connected to the MCF includes a second core and a second cladding. The second ferrule has a second inner hole housing tip parts of the optical fibers, and a second ferrule end surface. The second ferrule fixes the tip parts of the optical fibers in the second inner hole by an adhesive. The adhesive is packed in the second inner hole such that a surface of the adhesive is recessed from the second ferrule end surface into the second inner hole. A refractive-index matching material is applied in a space sealed by the first ferrule end surface and the second ferrule end surface.

Abstract: The present invention provides a latch structure arranged in an optical receptacle. The latch structure comprises a supporting element and a first clip structure, wherein the supporting element is assembled with the housing of the optical receptacle. The first clip structure is formed on the supporting element for retaining the optical connector inserting into the optical receptacle. The main idea of the present invention is that when the latch structure assembling with the optical receptacle, there is no interaction force between the first clip structure and optical receptacle so as to maintain the clipping force of the first clip structure acting on the optical connector.

Abstract: A coupler array device may include an array of couplers arranged in a coupler plane, where each of the couplers couples light between the coupler plane and one or more directions outside of the coupler plane. A coupler array device may further include a pixel switch network to selectively couple light into or out of a selected subset of the plurality of couplers, where the pixel switch network may include one or more pixel-network waveguides and pixel-network switches to couple light between couplers and pixel-network waveguides. The coupler array device may further include one or more feed networks including a feed-line waveguide and one or more feed-network switches to couple light between the feed-line waveguide and at least some of the pixel-network waveguides. Light may be routable between selected couplers and selected feed-line waveguides along selected paths by controlling the pixel-network switches and the feed-network switches along the selected paths.

Abstract: A fiber optic assembly is provided including a housing having an exterior and an internal volume, a cable port configured for a plurality of fiber optic cables to pass from the exterior to the internal volume of the housing, and a cable strain relief. The cable strain relief includes a base and a restraint projection extending from the base. The restraint projection includes opposing first second faces, a leading edge facing the internal volume, and a trailing edge facing the exterior. The restraint projection is configured to receive the plurality of fiber optic cables banded at a first location disposed at the leading edge and a second location disposed at the trailing edge, such that a portion of the plurality of fiber optic cables is disposed at the first and second faces, and the restraint projection resists lateral movement of the plurality of fiber optic cables relative to the base.

Abstract: A cable strain relief for a fiber optic assembly is provided including a body defining a sidewall, a cable passthrough disposed in the body from a first end of the body to a second end of the body, and a cable slot disposed through sidewall enabling a fiber optic cable to be inserted into the cable passthrough. The cable strain relief also includes a plurality of hooks disposed on an exterior surface of the sidewall. The plurality of hooks are configured to resist movement of a strength member of the fiber optic cable, when the strength member is wrapped around the body.

Abstract: An optical element may include a plurality of subsurface induced scattering centers formed in the optical element, where the plurality of subsurface induced scattering centers scatter light passing through the optical element. In some implementations, the plurality of subsurface induced scattering centers may form a scattering region in the optical element. Additionally, or alternatively, the plurality of subsurface induced scattering centers may spatially vary transmission of light through the optical element. The optical element may be an optical waveguide, a bulk optic, and/or the like.

Abstract: A light-guide optical element is provided, including a transparent light-guide body having a first inclined surface and a second inclined surface disposed therein. The transparent light-guide body includes a side surface facing a first direction, and a first surface and a second surface which are adjacent to the side surface and face each other. The first inclined surface extends from the first surface to the second surface. The second inclined surface is located at the other side of the first inclined surface facing the side surface. The second inclined surface extends from the first surface to the second surface. When an input light enters the transparent light-guide body, the input light is partially reflected by the first inclined surface and the second inclined surface to form an output light output from the transparent light-guide body.

Abstract: A photonic chip and a preparation method thereof are provided. The chip includes a lithium niobate film modulator array, a first optical coupling array, and a silica waveguide wavelength-division multiplexer, and the lithium niobate film modulator array includes one or more lithium niobate film modulators and is used to modulate an optical signal; the first optical coupling array includes one or more first optical coupling structures, and the first optical coupling structure has one end connected to a corresponding lithium niobate thin film modulator and the other end connected to the silica waveguide wavelength-division multiplexer so as to transmit the modulated optical signal to the silica waveguide wavelength-division multiplexer; and the silica waveguide wavelength-division multiplexer is used to perform wavelength-division multiplexing on the modulated optical signal.

Abstract: A light guide or beam guiding system with safety component and a method for its breakage monitoring. The present invention provides a fiber optic cable comprising a power fiber as well as first and second channels for break and plug monitoring of the power fiber, wherein the first and second channels may be separate.

Abstract: An example of an optical fiber includes an attenuating cladding disposed around a first waveguide (e.g., a core) and a waveguide (e.g., a waveguide cladding) disposed around the attenuating cladding. An attenuating cladding may be a doped layer that may be doped with, for example, a dopant comprising metal. A first waveguide and a second waveguide may each transmit light for a distinct sample characterization technique. An example of an optical fiber includes a core, a first intermediate cladding disposed around the core, an attenuating cladding disposed around the first intermediate cladding, an attenuating cladding disposed around the first intermediate cladding, a second intermediate cladding disposed around the attenuating cladding, a waveguide cladding disposed around the second intermediate cladding, and outer cladding disposed around the waveguide cladding, and an outer coating around the outer cladding. An optical fiber may be formed using a rod-in-tube process.

Abstract: An assembly of two fiber optic ferrules allows for the mating of a CWDM fiber optic ferrule with a non-CWDM fiber optic ferrule. The CWDM fiber optic ferrule has optical fibers that carry optical beams with at least two different wavelengths, which the non-CWDM ferrule has optical fibers that carry only one wavelength. The CWDM fiber optic ferrule and the non-CWDM fiber optic ferrule have optical fibers that are inserted along parallel axes. The non-CWDM fiber optic ferrule has a lens pitch that matches the CWDM ferrule.

Abstract: The present disclosure provides an optical fibre joint enclosure for providing housing to a plurality of optical fibres and a plurality of optical fibre cables. Further, the optical fibre joint enclosure includes a dome cover, a latch, a metal lock wire, a lock and a port assembly. Furthermore, the optical fibre joint enclosure includes a plurality of storage baskets. The plurality of storage baskets includes a first basket, a second basket and a third basket. The first basket is positioned on a first side inside the dome cover of the optical fibre joint enclosure. The second basket is positioned on a second side inside the dome cover of the optical fibre joint enclosure. The third basket is positioned in middle of the first basket and the second basket.