patentstorm.us

Optical device with cantilevered fiber array and method

Patent Number: 8447157
Publication Date: 2013-05-21
Inventors: ; ;

A fiber alignment device comprises a base having at least one alignment groove, a stripped portion of an optical fiber positioned in the at least one alignment groove, where a terminal end of the fiber extends beyond at least one of an end face of the base, and an end face of a cover bonded to the base to secure the optical fiber between the base and the cover, where an end face of the cover and the end face of the base are substantially ...

Multi-core optical fiber

Patent Number: 8447156
Publication Date: 2013-05-21
Inventor:

The present invention relates to a multi-core optical fiber having a structure to effectively reduce crosstalk between adjacent core regions among a plurality of core regions. The multi-core optical fiber (1) has a leakage reduction portion (50), at least a portion of which is arranged at a position on a straight line connecting adjacent core regions together among a plurality of core regions (10). The leakage reduction portion (50) reduces leakage light in the ...

Methods and apparatus for power-equalized optical frequency comb generation

Patent Number: 8447155
Publication Date: 2013-05-21
Inventor:

An optical device for generating a frequency comb includes an optical source and a first waveguide comprising a nonlinear optical medium operable to mix at least two input optical waves to generate a plurality of first optical waves. The optical device also includes a second waveguide concatenated to the first waveguide and characterized by a first dispersion characteristics and operable to compress the waveforms of the plurality of first optical waves and to reduce a frequency chirp ...

Fiber optic cables and assemblies and the performance thereof

Patent Number: 8447154
Publication Date: 2013-05-21
Inventors: ;

A fiber optic cable having optical fibers such as a microstructured bend performance optical fibers disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs. Other variations of the present invention include a connector attached to the fiber optic ...

Low inductance optical transmitter submount assembly

Patent Number: 8447153
Publication Date: 2013-05-21
Inventors: ; ; ; ;

A low inductance structure for improving the integrity of data signals carried in an optical subassembly is disclosed. In one embodiment the optical subassembly comprises a housing containing a lens assembly and an optical isolator. The optical subassembly further includes an optoelectronic package having a base defining a mounting surface that cooperates with a cap to define a hermetic enclosure. First and second signal leads of the subassembly include ends that extend into the hermetic ...

Waveguide coupling device with properties of forward and backward coupling as well as manufacturing method thereof

Patent Number: 8447152
Publication Date: 2013-05-21
Inventors: ;

The present invention relates to a waveguide coupling device with properties of forward coupling and backward coupling as well as a manufacturing method thereof, the waveguide coupling device comprises: a substrate, at least one inverted taper coupling structure, an intermediate layer, and at least one three-dimensional taper coupling structure. Wherein one end of the three-dimensional taper coupling structure is adopted for connecting to an external optical fiber, so as to couple the ...

Triplexer for an optical fiber, package including the same, and associated methods

Patent Number: 8447151
Publication Date: 2013-05-21
Inventor:

A triplexer including an optics block including a first port configured to receive a first light beam at a first wavelength and a second light beam at a second wavelength, and a second port configured to receive a third light beam at a third wavelength, a bounce cavity between the first and second ports, the bounce cavity being formed by opposing reflective elements adjacent respective surfaces of the optics block, a first grating opposite the first port, the first grating receiving all ...

Structure and method for aligning an optical fiber and a submicronic waveguide

Patent Number: 8447150
Publication Date: 2013-05-21
Inventor:

An integrated optical circuit including an operational submicronic waveguide associated with an operational grating intended for the coupling with an optical fiber, further including an alignment grating, identical to the operational grating, associated with a blind waveguide and arranged at a known distance from the operational ...

Optoelectronic transmission device

Patent Number: 8447149
Publication Date: 2013-05-21
Inventor:

An optoelectronic transmission device includes a base, an optical signal source positioned on the base, a light detector positioned on the base, a carrier covering the optical signal source and the light detector, a first lensed optical fiber and a second lensed optical fiber. The carrier has a first through hole, a second through hole and a reflective surface. The first lensed optical fiber is received in the first through hole. The first lensed optical fiber has a first lens opposing the ...

Latching micro optical switch

Patent Number: 8447148
Publication Date: 2013-05-21
Inventors: ;

An optical switch reliably maintains its on or off state even when subjected to environments where the switch is bumped or otherwise moved. In addition, the optical switch maintains its on or off state indefinitely without requiring external power. External power is used only to transition the switch from one state to the other. The optical switch is configured with a fixed optical fiber and a movable optical fiber. The movable optical fiber is guided by various actuators in conjunction ...

Communication methods, methods of forming an interconnect, signal interconnects, integrated circuit structures, circuits, and data apparatuses

Patent Number: 8447147
Publication Date: 2013-05-21
Inventor:

Some embodiments include communication methods, methods of forming an interconnect, signal interconnects, integrated circuit structures, circuits, and data apparatuses. In one embodiment, a communication method includes accessing an optical signal comprising photons to communicate information, accessing an electrical signal comprising electrical data carriers to communicate information, and using a single interconnect, communicating the optical and electrical signals between a first spatial ...

Photonic interconnect method

Patent Number: 8447146
Publication Date: 2013-05-21
Inventors: ; ; ;

A photonic interconnect method avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The method can provide massively parallel information output by mapping logical addresses to frequency bands, so that modulation of a selected frequency band can encode information for a specific location corresponding to the logical address. Wavelength-specific directional couplers, modulators, and detectors, which can be fabricated at defects in a ...

Electro-optical modulator structure

Patent Number: 8447145
Publication Date: 2013-05-21
Inventors: ;

The present invention discloses an ultra-compact optical modulator comprising at least one resonator on a semiconductor chip. The EO modulator modulates incoming light having a certain wavelength range and comprises a waveguide layer accommodating at least one resonator having a periodic complex refraction index distribution structure defining a periodic defect band-edge and a cladding layer; and at least one electrode; the waveguide layer, the cladding layer and the electrode forming a ...

Electro-optical assembly fabrication

Patent Number: 8444328
Publication Date: 2013-05-21
Inventors: ;

A flip-chip bonder fabricates an optical assembly by horizontally positioning a flexible portion of a substrate including a waveguide with the waveguide exposed at one end edge of the substrate; bending a portion of the flexible substrate to place the waveguide exposed end in approximately a vertical position; vertically positioning a bond head containing an optical component upon the waveguide exposed substrate edge to optically mate the optical component with the exposed waveguide; and ...

Optical connector adapter

Patent Number: 8444327
Publication Date: 2013-05-21
Inventor:

An optical connector adapter includes: a first connection member; a second connection member; a sleeve member coaxially disposed in the first and second connection members; an outer shell defining an internal cavity for receiving the first and second connection members, an engagement section being formed on an inner wall face of the internal cavity and inward protruding from the inner wall face for restricting and locating the first connection member, the outer shell being formed with at ...

Flexible optical coupling

Patent Number: 8444326
Publication Date: 2013-05-21
Inventor:

An optical fiber coupling device, comprises a coupling assembly that includes a first ferrule and a second ferrule and an optical fiber having a first end mounted in the first ferrule and a second end mounted in the second ferrule. The first ferrule is disposed in an axial bore of a first barrel and the second ferrule is disposed in an axial bore of a second barrel. The coupling assembly is disposable in a coupling housing configured to receive at least two optical fiber ...

Connectors for cable carrying conduits

Patent Number: 8444325
Publication Date: 2013-05-21
Inventor:

A connector for a conduit for a cable (e.g. an optical fiber cable or a power cable). The connector comprises a hollow body having a throughway for the cable with a coupling for a conduit at one end and a cavity in which an annular seal is located. An actuator is provided to compress the seal radially inwardly into engagement with the cable and into engagement with said side of the cavity to block flow of fluid (gas or liquid) through the cavity and/or to grip the cable. The connector may ...

Assembly tool and optical connector assembly method

Patent Number: 8442375
Publication Date: 2013-05-14
Inventors: ; ; ; ;

An assembly tool for installing an optical fiber in an optical connector includes a base and a protrusion setting station. The base includes a connector mount disposed in the base. The connector mount can be configured to receive and secure the optical connector on the base where the connector has a housing and a connector ferrule. The protrusion setting station enables the craftsperson to set distance (or protrusion) that a terminal end of the optical fiber extends from an end face of the ...

Ultra-low loss hollow core waveguide using high-contrast gratings

Patent Number: 8442374
Publication Date: 2013-05-14
Inventors: ; ; ;

Optical waveguides using segmented periodically-spaced high contrast gratings bounding a hollow core propagation region on at least two sides. Incident light is received in a hollow waveguide (HW) region (core) between opposing HCG faces which provide lateral confinement in response to glancing reflections of the incident light beam from high refractive index segments of the HCG as it traverses the core. Embodiments are described for planar waveguides (1D) having a planar core between two ...

Laser based frequency standards and their applications

Patent Number: 8442373
Publication Date: 2013-05-14
Inventors: ;

Frequency standards based on mode-locked fiber lasers, fiber amplifiers and fiber-based ultra-broad bandwidth light sources, and applications of the ...

Hybrid microstructured optical fibre for guidance by means of photonic forbidden bands and by total internal reflection optimised for non-linear applications

Patent Number: 8442372
Publication Date: 2013-05-14
Inventors: ; ; ; ;

The microstructured optical fibre comprises a core (4) surrounded by a sheath (1) comprising a base material having a refraction index (ni) and a plurality of at least two different types of inclusion: a first type of inclusion (2) having a refraction index n2 (n2>n1), and a second type of inclusion (3) having a refraction index n3 (n32, 3) are arranged and dimensioned in such a way as to ensure guidance, by total internal reflection ...

Tight-buffered optical fibers and optical fiber cables

Patent Number: 8442371
Publication Date: 2013-05-14
Inventor:

An optical fiber cable and a tight-buffered optical fiber which suppress an increase in transmission loss in a humid and hot environment and have good manufacturability are disclosed. The tight-buffered optical fiber of the present invention comprises a glass fiber surrounded by a first coating layer and a second coating layer, the second coating layer comprising two or more layers; wherein a pull-out force is 15 N/20 mm or less in at least one pair of layers between the first coating layer ...

Optical fiber cable ready for mid-span access

Patent Number: 8442370
Publication Date: 2013-05-14
Inventors: ; ;

An optical fiber cable is comprised of: a slotted core elongated along an axis of the optical fiber cable, the slotted core including a slot running in parallel with the axis and a groove accessible through the slot; one or more optical fibers placed in the groove; a sheath enclosing the slotted core and the optical fibers; a bonding portion where the slotted core is bonded with the sheath; a first strength member embedded in the slotted core and running in parallel with the axis; and a ...

Distributing optical power with a power balance ratio substantially constant over a broadband of wavelengths

Patent Number: 8442369
Publication Date: 2013-05-14
Inventors: ; ;

Methods of using an optical device capable of distributing the optical power presented at an input to specified ratios in two output ports. The devices and methods described herein have the ability to broaden the range of wavelengths over which the splitting ratio is even, or substantially even. Methods involve achieving a desired splitting ratio over a broad or ultra-broad wavelength ...

Cantilever couplers for intra-chip coupling to photonic integrated circuits

Patent Number: 8442368
Publication Date: 2013-05-14
Inventor:

Development of Integrated Optical Circuits depends greatly on progress in coupling light to and between chip devices. Exemplary disclosed embodiments provide a system and method of fabricating couplers for optical chips that may allow for access to devices on the entire chip surface. Cantilever couplers comprising optical waveguides are deflected out-of-plane creating access to remote portions of devices. An exemplary system and method may provide waveguides with tunable angles of ...

Grating for VCSEL coupling to a heat assisted magnetic recording head

Patent Number: 8442367
Publication Date: 2013-05-14
Inventors: ;

An apparatus includes a waveguide including a core layer having curved edges shaped to reflect light to a focal point, and a grating positioned adjacent to or imbedded in the core layer, wherein at least a portion of the grating is positioned between the curved edges and adjacent to or imbedded in a portion of the core layer that is not traversed by light reflected from the curved edges. A data storage device that includes the apparatus is also ...

Optical waveguide for touch panel and touch panel using the same

Patent Number: 8442366
Publication Date: 2013-05-14
Inventor:

Provided are an optical waveguide for a touch panel which has high light-gathering power on a light-emitting side and which may materialize a touch panel having excellent position detection performance, and a touch panel using the optical waveguide. The optical waveguide for a touch panel includes: cores; and an over cladding layer covers the cores, the cores including light-emitting cores each formed as a lens portion having a shape in plan view including a tapered portion whose width ...

Optical subassembly for coupling light into an optical waveguide

Patent Number: 8442365
Publication Date: 2013-05-14
Inventor:

An optical subassembly for low-feedback coupling of light from a light source into an optical waveguide such as an optical fiber is described. The optical subassembly has an aspherical lens with surface sag having a rotationally symmetrical sag component without having a cone sag component, and a rotationally asymmetrical helical component for reducing coupling of light reflected from the optical fiber tip back into the laser aperture by causing a significant portion of the reflected light ...

Optical waveguide circuit and manufacturing method of optical waveguide circuit

Patent Number: 8442364
Publication Date: 2013-05-14
Inventor:

An optical waveguide device includes an optical branch device for branching a first input light and outputting the branched first input light to a first and a second optical waveguides, another optical branch device, arranged between the first and the second optical waveguides, for branching a second input light and outputting the branched second input light to a third and a fourth optical waveguides, an optical coupler which couples the lights traveling along the first and the third ...

Apparatus for transforming the aspect ratio of an optical input field based on stacked waveguides

Patent Number: 8442363
Publication Date: 2013-05-14
Inventors: ;

An apparatus consisting of stacked slab waveguides whose outputs are vertically staggered is disclosed. At the input to the stacked waveguides, the entrances to each slab lie in approximately the same vertical plane. A spot which is imaged onto the input will be transformed approximately to a set of staggered rectangles at the output, without substantial loss in brightness, which staggered rectangles can serve as a convenient input to a spectroscopic apparatus. A slit mask can be added to ...

Method for manufacturing optical coupling element, optical transmission substrate, optical coupling component, coupling method, and optical interconnect system

Patent Number: 8442362
Publication Date: 2013-05-14
Inventor:

An optical coupling structure that interfaces between optical devices mounted on a substrate and optical waveguides formed in the substrate. A manufacturing method includes preparing a wafer formed on an inorganic solid material on a dicing tape and cutting the back surface of the wafer to form substantially angled portions using a dicing blade having a point angle. The dicing tape is stripped from the wafer and the wafer is separated at the valleys between the substantially angled portions ...

Apparatus and method of linearization in an optical modulator

Patent Number: 8442361
Publication Date: 2013-05-14
Inventor:

An optical modulator apparatus and linearization method are disclosed. The optical modulator may include a buffer layer disposed proximate the electro-optical material substrate. The optical modulator may also include physically asymmetric waveguide elements, which may have physically asymmetric waveguide arms or physically asymmetric hot electrodes. The waveguide arms may include first and second waveguide arms having different dimensions, and the hot electrodes may include first and ...

Intrinsically low resistivity hybrid sol-gel polymer clads and electro-optic devices made therefrom

Patent Number: 8442360
Publication Date: 2013-05-14
Inventors: ;

A low resistivity hybrid organic-inorganic material may include a proportion of charge traps including a trap element indirectly covalently bonded to a donor or acceptor element. The trap element may include tin. The donor or acceptor element may include indium and/or antimony. Bonding includes cross-linking via oxygen bonds and via organic cross-linkers. The material may be formed as a hybrid sol-gel. The material may have optical transmission and refractive index characteristics. The ...

Opto-electronic assembly for high speed transmission

Patent Number: 8439578
Publication Date: 2013-05-14
Inventor:

The optoelectronic assembly for high speed signal transmission based on surface-emitting/receiving components is disclosed. The assembly contains a mounting plate with a top side used for the mounting of the components; single or multiple electrooptical or optoelectronic transducer components with the optical ports of the transducer on the top side and a bottom side used for assembly; a micro-mirror component; an optical transmission path wherein the transmission axis is oriented ...

Optical fibre connector

Patent Number: 8439577
Publication Date: 2013-05-14
Inventor:

The present invention relates to an optical fiber connector, and in particular to a Subscriber Connector (SC)-type push/pull optical fiber connector and to a method of forming and using such a connector. The SC-type optical fiber connector (101) is made up of an optical fiber (8), a cylindrical ferrule (14), a ferrule holder (16), a spring biasing means (17), a ferrule holder carrier (50), an inner housing (120), and an outer housing ...

Photoelectric connector assembly

Patent Number: 8439576
Publication Date: 2013-05-14
Inventor:

A photoelectric connector assembly includes a first and a second connector and a photoelectric signal conversion module. The first connector defines a mating cavity, first terminals including contacting sections exposing to the mating cavity and a first light transmission module including convex lenses at a front thereof exposing to the mating cavity and first light ports at a rear thereof. The second connector includes an insulating seat and second terminals. The seat defines a rear mating ...

Connector having an floatable optical module

Patent Number: 8439575
Publication Date: 2013-05-14
Inventor:

A connector (100) includes an insulative housing (1) having a receiving slot (141) formed therein; an optical module (3) for transmitting optical data and being movably received in the receiving slot; a compression coil spring (4) having a first end for biasing the optical module to move in the receiving slot; a metal shell (7) shielding the insulative housing; and a sleeve (40) encircling a second end of the compression coil spring ...

Resin composition for production of optical waveguide, and optical waveguide produced by using the resin composition

Patent Number: 8437598
Publication Date: 2013-05-07
Inventor:

A resin composition is provided, which satisfies both an uncured layer flexibility requirement and a patterning resolution requirement for production of an optical waveguide by a roll-to-roll process. An optical waveguide produced by using the resin composition is also provided. The resin composition comprises: (A) an aromatic multifunctional epoxy polymer having a weight average molecular weight (Mw) of 500 to 5000; (B) an aromatic multifunctional epoxy polymer having a weight average ...

Mounting of fiber optic cable assemblies within fiber optic shelf assemblies

Patent Number: 8437597
Publication Date: 2013-05-07
Inventors: ; ;

Fiber optic shelf assemblies and furcation mounting structures for securing a plurality of furcation bodies of respective fiber optic cable assembles within the fiber optic shelf are disclosed. In one embodiment, the fiber optic shelf has a one-to-one correspondence between a plurality of respective modules and the respective fiber optic cable assemblies. Additionally, the fiber optic shelf assemblies and furcation mounting structures disclosed advantageously allow the mounting of a ...

System for an internal rotating storage spool combined with top and bottom cable access in a fiber distribution terminal

Patent Number: 8437596
Publication Date: 2013-05-07
Inventors: ; ; ;

A fiber distribution terminal for use in an environmentally sealed enclosure can include a rotatable spool for housing input fiber cable. The spool is configured to be mounted in the environmentally sealed enclosure. The fiber distribution terminal can also include an adapter pack that secures the connections between fibers of the input fiber cable and fibers of the output fiber cable. The fiber distribution terminal can include an adapter plate that guides the routing of both the input and ...

Fiber management shelf having removable door

Patent Number: 8437595
Publication Date: 2013-05-07
Inventors: ;

A fiber management shelf includes a housing having an opening, a door shiftable between open and closed positions, and a hinge connecting the door to the housing. The hinge includes a hinge pin and a receiver configured to receive and rotatably support the hinge pin. The receiver includes a channel having first and second sides defining a channel opening having a first channel width and at least one boss on the first or second channel side so that the channel has a second width at the boss ...

Holey fiber

Patent Number: 8437594
Publication Date: 2013-05-07
Inventor:

A holey fiber includes a core portion located at a center of the holey fiber, and a cladding portion located around the core portion, the cladding portion having holes formed in layers around the core portion. The holes are arranged so as to form a triangular lattice while d/Λ is within a range of 0.33 to 0.43, Λ is within a range of 10.5 micrometers to 15 micrometers when a hole diameter is d in micrometer and a lattice constant of the triangular lattice is Λ in micrometer, and in a ...

Mobile radio station and hybrid cable for a mobile radio station

Patent Number: 8437593
Publication Date: 2013-05-07
Inventors: ; ; ; ;

There is provided a hybrid cable that comprises a coaxial cable with an outer conductor and a hollow inner conductor that encloses an inner space. The hybrid cable according to an exemplary embodiment of the present invention may comprise a data line that is arranged in the inner space of the inner ...

Optical channel tap assembly

Patent Number: 8437592
Publication Date: 2013-05-07
Inventors: ; ;

An optical channel tap assembly comprises a first N by M waveguide array including a first set of optical channels to convey optical signals along a first set of conveyance paths. The optical channel tap assembly also comprises a second N by M waveguide array including a second set of optical channels to convey the optical signals along a second set of conveyance paths, the optical signals received from the first set of conveyance paths. Additionally, the optical channel tap assembly ...

Reusable biochemical agent sensor and method using optical micro-resonator grid arrays

Patent Number: 8437591
Publication Date: 2013-05-07
Inventors: ; ;

A system includes at least two optical fibers crossing to form a vertice. The optical fibers comprise a core, a cladding surrounding the core, and a conductive coating at least partially surrounding the length of the cladding. A portion of the core of each of the fibers is exposed proximate to the vertice. An optical microsphere whispering gallery mode (WGM) resonator is positioned to cover exposed core portion of each fiber and in contact with the conductive coating of each fiber. The ...

High-speed self-adjusting photonic converter

Patent Number: 8437590
Publication Date: 2013-05-07
Inventor:

A device is disclosed. The device contains a first electro-optical waveguide comprising at least one first grating, a second electro-optical waveguide comprising at least one second grating, a plurality of electrodes disposed adjacent to the first grating and configured to impose an electric field through the first electro-optical waveguide to modify spectra of the first grating, a fiber amplifier configured to propagate a laser radiation between the first electro-optical waveguide and the ...

Optical module

Patent Number: 8437589
Publication Date: 2013-05-07
Inventor:

In an optical module, an optical element array is an array of optical elements. Further, a lens array is an array of a plurality of lenses. An output point of a light beam of each optical element of the optical element array is caused to coincide with a central line of a corresponding lens of the lens array, and the light beam is made incident on the lens and a parallel beam is output from the lens. When the output point of the light beam of the optical element coincides with an optical ...

System and method for generating an optical vector vortex beam having two lobes

Patent Number: 8437588
Publication Date: 2013-05-07
Inventor:

Optical vector vortex beams may be generated from few-mode or multi-mode optical fiber by introducing linearly or circularly polarized light into the fiber. By adjusting at least one of the polarization of the light, the incident angle of the light coupled into the fiber, and the length of the fiber, one or more vector modes supported by the fiber may be selected. The resulting output from the fiber may be a vortex beam that can be collimated and used for precise manipulation of objects on ...

Actuating an optical fiber with a piezoelectric actuator and detecting voltages generated by the piezoelectric actuator

Patent Number: 8437587
Publication Date: 2013-05-07
Inventor:

A method of one aspect may include actuating a cantilevered optical fiber by mechanically deforming a piezoelectric actuator. An electrical signal generated as a result of mechanical deformation of the piezoelectric actuator may also be ...

Photoelectric connection system with waveguides

Patent Number: 8437586
Publication Date: 2013-05-07
Inventor:

A photoelectric connection assembly includes a circuit board defining conductive pads on a first surface thereof and waveguides embedded therein, an electrical connector assembled to the circuit board and a light transmission module. The electrical connector includes a seat defining a first receiving cavity for receiving the conversion module and a second receiving cavity below the first receiving cavity, a cover rotatably associated with a rear end of the seat and rotating to shield the ...