Abstract: A photonic microresonator incorporates a localized heater element within a section of an optical bus waveguide that is in proximity to the resonator structure. The application of an adjustable control voltage to the heater element provides a localized change in the refractive index value of the bus waveguide, compensating for temperature-induced wavelength drift and maintaining a stabilized value of the microresonator's resonant wavelength.

Abstract: A fiber optic adapter mount is disclosed. The fiber optic adapter mount has a receiving area for receiving an adapter, a retention feature and a mounting feature. The retention feature is configured to releasably retain the adapter in the receiving area. The mounting feature is for mounting the adapter mount to a surface.

Abstract: Fiber management sections for fiber optic housings, and related components and methods are disclosed. In one embodiment, a fiber management device is provided. The fiber management device comprises a base and at least one fiber management component attached to the base and configured to manage one or more optical fibers. At least one opening is disposed in the base and configured to route one or more optical fibers from the base. The fiber management component may be a routing guide configured to route the one or more optical fibers as a non-limiting example. The fiber management device may be disposed on a side or within the fiber optic housing and may be removable from the enclosure and configured to route one or more optical fibers from the fiber optic housing.

Abstract: A cable sealing device including an attaching part securable to the cable; a fixation part adapted to be mountable on the attaching part; and a sealing part. The attaching part includes outer locking faces. The fixation part has inner abutment faces adapted to co-operate with the outer locking faces to axially and rotationally lock the fixation part relative to the attaching part. The sealing part includes an inner seal and an outer seal. The sealing part also includes a second securing arrangement that is configured to engage a first securing arrangement of the fixation part to axially and rotationally lock the sealing part to the fixation part.

Abstract: An apparatus includes a connector that connects to optical fibers for connecting first and second optical signals to the apparatus. A first optical ferrule is mounted perpendicularly to the connector, and transfers the first optical signals between the connector and first optical transducers mounted on a first substrate, via first holes formed in the first substrate. A second optical ferrule is mounted perpendicularly to the connector, and transfers the second optical signals between the connector and second optical transducers mounted on a second substrate, via second holes formed in the second substrate. A light rotation module bends and transfers the first and second optical signals between the connector and the first and second ferrules. One or more lenses are mounted between the first ferrule and the first holes, so as to couple the first optical signals via the first holes between the first ferrule and the first optical transducers.

Abstract: An optical printed circuit board (PCB) and a method of fabricating the same wherein the optical PCB is mounted with an alignment pattern area whose particular area of an integral optical connection module embedded in the optical PCB is exposed, and the alignment pattern area is formed with a sill lower than a surface of the optical PCB, whereby a transmission/reception module automatically aligned via the alignment pattern area is eased to increase the alignment accuracy between an optical connection module and the transmission/reception module and to increase the efficiency of alignment.

Abstract: A hybrid cable assembly includes a hybrid cable, tether tubes, and an overmold. The hybrid cable includes both electrical-conductor and fiber-optic elements. The tethers receive a subset of the elements from the hybrid cable at a transition location in the form of a chamber, and the overmold surrounds the transition location. The overmold is elongate, flexible, and has a low profile configured to pass through narrow ducts.

Abstract: A hermaphroditic connector assembly for fiber optic cables includes a base portion defining at least one passage for receiving at least one optical fiber. The connector further includes an insert cap that selectively connects to and disconnects from the base portion to receive the optical fiber. The insert cap defines a first face and a tower extending substantially perpendicularly adjacent the first face. The tower defines a cavity therein. A first ferrule is supported by and extends through the first face of the insert cap. A second ferrule is supported by and extends through the tower, and the second ferrule is within the cavity defined by the tower. The first and second ferrules define sets of socket and pin termini within the hermaphroditic connector assembly. An electrical pin terminus extends through the first face, and an electrical socket terminus extends into the tower.

Abstract: A fiber optic connector arranged to be releasably connected to a fiber optic adaptor. The fiber optic connector includes a body configured to receive and terminate two optical fibers, and a latch mechanism provided on the body. The latch mechanism is configured for releasable engagement with each of two sockets of the fiber optic adaptor. The latch mechanism of the fiber optic connector is configured for actuation in a direction laterally across the body.

Abstract: Certain types of fiber optic cable assemblies include a fiber optic cable; and a cable pulling assembly coupled to one end of the fiber optic cable. The fiber optic cable includes optical fibers and a first fanout arrangement at which the optical fibers are transitioned from a multi-fiber cable section to connectorized pigtails. Some example cable pulling assemblies include an enclosure defining a cavity in which the second end of the fiber optic cable is disposed. A first end of the enclosure surrounds the first fanout arrangement. A second end of the enclosure is folded into a loop. A first cable tie arrangement secures the second end of the enclosure in the loop. At least a second cable tie extends through opposite side holes in the first fanout arrangement and through both top and bottom portions of the enclosure.

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

Abstract: An optical fiber connector includes an inner housing and a fixing module sleeved in the inner housing. The fixing module includes a support member and a fastening assembly fastened to the support member. The support member has a fixing portion, and the fixing portion defines a first restricting groove. The fastening assembly includes a fastener, a fixing member, an elastic member, and a pressing member. The fixing member defines a second restricting groove. The fastener sleeves on the fixing member and the elastic member. The fastener engages with the support member, and then the elastic member is resisted between the fixing member and the fastener, thereby generating an elastic force to drive the fixing member to abut against the fixing portion. The pressing member slidably engages with the support member and resists the fixing member.

Abstract: The present invention relates to a multi-core optical fiber including a plurality of cores, in each of which an effective area at the wavelength of 1550 nm, a transmission loss at the wavelength of 1550 nm, a chromatic dispersion at the wavelength of 1550 nm, a cable cutoff wavelength, and a bending loss in a bending radius of 30 mm at the wavelength of 1625 nm are set so as to increase a transmission capacity in each core in a state in which a difference of the transmission loss at the wavelength of 1550 nm between different cores is controlled to at most 0.02 dB/km or less.

Abstract: A multi-core optical fiber according to the present invention includes plural single-core optical fibers, and comprises an intermediate portion in which a side surface of each single-core optical fiber is covered with a resin layer, and a terminal portion in which the each single-core optical fiber is exposed from the resin layer. In the terminal portion of the multi-core optical fiber, the single-core optical fibers are separated from each other.

Abstract: This invention discloses scalable and modular automated optical cross-connect devices which exhibit low loss and scalability to high port counts. In particular, a device for the programmable interconnection of large numbers of optical fibers is provided, whereby a two-dimensional array of fiber optic connections is mapped in an ordered and rule based fashion into a one-dimensional array with tensioned fiber optic elements tracing substantially straight lines there between. Fiber optic elements are terminated in a stacked arrangement of flexible fiber optic elements with a capacity to retain excess fiber lengths while maintaining an adequate bend radius. The combination of these elements partitions the switch volume into multiple independent, non-interfering zones.

Abstract: An optical waveguide directional coupler includes a base and a Y-shaped optical waveguide formed in the base. The base includes a planar member and a ridge member extending from a side of the planar member. The planar member includes a top surface. The ridge member includes a recessed planar portion and a raised portion raised relative to the recessed planar portion and perpendicularly extending from the planar member. The raised portion has an upper surface coplanar with the top surface. The Y-shaped optical waveguide is exposed to the upper surface and the top surface. One end of the Y-shaped optical waveguide is exposed to an end of the ridge member, and the other two ends are exposed to an end of the planar member.

Abstract: A sensor is disclosed herein. The sensor includes a fiber operable to communicate a light wave. The sensor also includes at least first and second Fiber Bragg Gratings disposed along the fiber. The sensor also includes a structure operable to be Deformed in a plane of deformation. The at least first and second Fiber Bragg Gratings are disposed on opposite sides of the structure in the plane of deformation. The sensor also includes an interrogation unit operable to receive first and second signals corresponding to first and second wavelengths from the at least first and second Fiber Bragg Gratings. The first signal is associated with the first Fiber Bragg Grating and the second signal is associated with the second Fiber Bragg Grating.

Abstract: An optical module includes a rotating bail disposed on a front part of a case that is inserted into and removed from a cage; a slide plate that slides along a longitudinal direction of the case in conjunction with rotation of the bail; and an engagement member is disposed on the slide plate, freely engages with an engagement member of the cage, and is released from an engaged state by a sliding of the slide plate in conjunction with the rotation of the bail. The bail and the slide plate are formed by an integrated metal plate in a folded state.

Abstract: A pigtail cable assembly comprising a fiber optic cable having a plurality of optical fibers, a mid-section, a first end section and a second end section is disclosed. The plurality of optical fibers are separated from the fiber optic cable at the first end section. One of the plurality of the optical fibers at the second end section is adapted to be connected to a single fiber splice at a second end when single fiber splicing is intended. A sever site is located on the mid-section. The second end section may be severed from the mid-section at the sever site when mass splicing is intended. When the second end section is separated from the mid-section at the sever site the mid-section of the fiber optic cable is adapted to be connected to a mass splice at the sever site.

Abstract: A delatch mechanism for disengaging a data communication module from a cage includes an actuator handle and a T-shaped crank connected at a wrist pivot to the handle and connected at a crank pivot to the module housing. The crank pivots to lift a pin out of engagement with the cage when a user pulls on the actuator handle, causing it to slide relative to the housing.