|| List of recent Optical Fiber-related patents
| Medical device insertion and exit information using distributed fiber optic temperature sensing|
A system, device and method include a sensing enabled device having an optical fiber configured to perform distributed sensing of temperature-induced strain. An interpretation module is configured to receive optical signals from the optical fiber within a body and interpret the optical signals to determine one or more temperatures or temperature gradients of the device..
| Method and optical system for evaluating concentrations of components in tissue|
A method and an optical system for evaluating the spatial distribution of the concentrations of components in tissue are disclosed. The novel detecting probe included in the optical system comprises plural optical fiber sets, each optical fiber set respectively comprises at least one source optical fiber and at least one detector optical fiber, the source optical fiber connects with the multi-wavelength light source, the source optical fiber delivers light from the multi-wavelength light source onto a tested tissue; and the angle between one optical fiber set and another optical fiber set is greater than 0° and less than and not equal to 180°.
| Integrating optical fiber with coaxial cable|
Certain embodiments herein relate to a hybrid cable that includes a center conductor for disturbing electrical signals and one or more optical fibers adjacent to the center conductor for distributing light signals in a service provider network. According to one configuration, materials found in a coaxial cable may be included in the hybrid cable, such as a dielectric material, one or more protective shields, and an outer protective core.
| Secure sc optical fiber connector and removal tools|
An optical fiber connector plug having an anti-snag guide to prevent the plug from being caught on corners and edges when an attached cable is being pulled around corners and edges during installation and removal of the optical fiber connector plug. The optical fiber connector plug includes a unique arrangement of different width apertures corresponding to a removal tool having corresponding different width prongs to be received by the apertures to release the optical fiber connector plug from a coupling adapter..
| Optical transmission module|
In an optical transmission module, an optical fiber includes a core wire made of a resin and a cover portion made of a resin and covering the core wire, and has an end surface formed by cutting the core wire and the cover portion by the same plane. A plug includes an optical device optically coupled to the core wire and a sealing resin containing the optical device and having a bottom surface with which the end surface is in contact..
| Splice chips for optical fiber splice cassettes|
A splice chip includes a base, separation members extending upwardly from the base to define a plurality of rows, and latching fingers extending upwardly from the base to further define the rows. At least one of the rows includes at least a first latching finger, a second latching finger, and a third latching finger.
| Optical fiber adapter|
An optical fiber adapter according to the present disclosure includes a main body, an inner housing and a cover plate. The main body has an accommodation room in an axial direction defined by a first wall, a second wall, a third wall and a fourth wall, wherein the first wall faces the third wall and connects with the second and fourth walls.
| Non-destructive dissipation of excess optical energy|
Optical energy in excess of that which is properly coupled into the core of an optical fiber is non-destructively redirected and benignly dissipated so as to minimize damage in a fiber coupled system.. .
| Color coded optical fibers|
The specification describes an optical fiber color coding scheme that uses two colors, where each of the two colors constitutes one half of the surface of the optical fiber coating. If a longitudinal portion of the coating is considered a hollow cylinder, then each of the two colors is a hollow hemi-cylinder.
| Fiber optic cables and assemblies and the performance thereof|
A fiber optic drop cable includes an optical fiber, a tight buffer layer on the optical fiber, at least one strength member, and a jacket surrounding the tight buffer layer. The jacket is coupled to the at least one strength member by at least partial embedment of at least one of the strength members in the jacket, which facilitates coupling between the jacket and strength member.
| Optical signal transmission device|
An optical signal transmission device includes a first and a second photoelectric converting device, a first and a second connector, a plurality of first optical fibers, a plurality of second optical fibers, and an adapter module. The first and the second photoelectric converting devices are electrically connected with the first and the second electronic device.
| Hermetic optical fiber alignment assembly|
A hermetic optical fiber alignment assembly, including a first ferrule portion having a first surface provided with a plurality of grooves receiving the end sections of optical fibers, wherein the grooves define the location and orientation of the end sections with respect to the first ferrule portion, and a second ferrule portion having a second surface facing the first surface of the first ferrule, wherein the first ferrule portion is attached to the second ferrule portion with the first surface against the second surface, wherein a cavity is defined between the first ferrule portion and the second ferrule portion, wherein the cavity is wider than the grooves, and wherein a suspended section of each optical fiber is suspended in the cavity, and wherein the cavity is sealed with a sealant. The sealant extends around the suspended sections of the optical fibers within the cavity.
| Fiber optic connector|
Embodiments of the present invention are directed to a fiber optic connector and methods of assembly thereof. In one embodiment, the fiber optic connector of the present invention is designed to help decrease the stress placed on an optical fiber during the mating of a connector with a receptacle.
| Cylindrical optical ferrule alignment apparatus|
An alignment sleeve for an optical fiber adapter includes features to bring precision alignment between optical fiber cores. The sleeve includes a tubular inner area to accept first and second ferrule ends of first and second connectors.
| Optical fiber coupling connector with layered arrays of optical fibers|
An optical fiber coupling connector of compactness includes a main body, and first and second layers of optical fibers which are all parallel. The main body includes an upper surface, a lower surface, a front surface, and a back surface.
| Optical fiber combiner, and laser system using the same|
An optical fiber combiner 1 has: a plurality of input optical fibers 20; a plurality of divergence angle reducing members 50 which lights emitted from the respective input optical fibers 20 enter and which emits the lights from the input optical fibers 20 at divergence angles made lower than divergence angles upon entrance; a bridge fiber 30 which the lights emitted from the respective divergence angle reducing members 50 enter and which has a tapered portion 34 which has a portion in which the lights propagate and a diameter of which is gradually reduced apart from a divergence angle reducing member 50 side; and an output optical fiber 40 which a light emitted from a side of the bridge fiber 30 opposite to the divergence angle reducing member 50 side enters.. .
| Optical-fiber array and method|
Method and apparatus for forming an optical-fiber-array assembly, which include providing a plurality of optical fibers including a first optical fiber and a second optical fiber, providing a fiber-array plate that includes a first surface and a second surface, connecting the plurality of optical fibers to the first surface of the fiber-array plate, transmitting a plurality of optical signals through the optical fibers into the fiber-array plate at the first surface of the fiber-array plate, and emitting from the second surface of the fiber-array plate a composite output beam having light from the plurality of optical signals. Optionally, the first surface of the fiber-array plate includes indicia configured to assist in the alignment of the plurality of optical fibers on the first surface of the fiber-array plate.
| Narrow bandwidth reflectors for reducing stimulated brillouin scattering in optical cavities|
An optical-fiber filter system to narrow a linewidth and to reduce noise fluctuations of an optical beam is provided. The optical-fiber filter system includes an optical fiber having a first end-face and an opposing second end-face, the first end-face and the second end-face setting a fiber length; a fiber bragg grating having a first reflectivity positioned at the first end-face; and a reflector having a second reflectivity positioned at the second end-face.
| Optical fiber containing graphene oxide and reduced graphene oxide, and method for manufacturing gas sensor containing the same|
An optical fiber includes a graphene oxide and a reduced graphene oxide and a gas sensor includes the optical fiber. A method for manufacturing the optical fiber includes coating a graphene oxide layer and reducing a part of the graphene oxide layer, and a method for manufacturing the gas sensor includes coating a graphene oxide layer and reducing a part of the graphene oxide layer..
| Method for detecting alignment between optical fibers and lenses of optical connector|
In a method for determining alignment between an optical fiber and a converging or diverging lens, light is directed into an optical fiber of an optical connector with a lens element. The lens element has a front surface forming a lens and a back surface defining a recess, the optical fiber is inserted into the recess and points at the lens, to form a light spot on the front surface.
| Light guiding sysetm, edge type backlight module and liquid display device|
A light guiding system, an edge type backlight module and a liquid crystal display are disclosed. The light guiding system includes an ambient light collection system facing toward ambient light to absorb the ambient light and to generate absorbed light, a plurality of light guiding devices, and at least a first and a second light guiding bar.
| Test system and method for wafer including optical component|
A wafer test system includes an input device configured to transmit a test signal, a wafer including an optical port, an input port configured to receive the test signal, and an output port configured to output a result signal based on the test signal, a measuring device configured to measure the result signal, and an alignment device configured to align an optical fiber port of an optical probe with an alignment port based on the result signal and then align the optical fiber port with the optical port. The alignment port is the input port or the output port.
| Monitoring/managing electrochemical energy device using detected intercalation stage changes|
A system includes utilizes optical sensors arranged within or on portions of an electrochemical energy device (e.g., a rechargeable li-ion battery, supercapacitor or fuel cell) to measure operating parameters (e.g., mechanical strain and/or temperature) of the electrochemical energy device during charge/recharge cycling. The measured parameter data is transmitted by way of light signals along optical fibers to a controller, which converts the light signals to electrical data signal using a light source/analyzer.
| Method of manufacturing plate workpiece with surface microstructures|
A method of manufacturing a plate workpiece with surface microstructures is provided. Before press-molding, a preform is placed between a first mold with a pattern and a second mold, and is disposed on the second mold.
| Apparatus for stripping optical fibers and optical fiber assemblies|
An apparatus for performing a downhole operation includes: a carrier configured to be deployed in a borehole in an earth formation; and an optical fiber assembly disposed at the carrier, the optical fiber assembly including an optical fiber and a polymer material bonded to a length of the optical fiber. A portion of the polymer material has been removed by: disposing a liquid metallic material proximate to the polymer material, the polymer material being bonded to the optical fiber; heating the liquid metallic material to a temperature sufficient to burn the polymer material and de-bond the polymer material from a surface of the optical fiber; and removing the polymer material and liquid metal from the surface of the optical fiber..
| Optical fiber cable installation in a pressure sewerage|
A house connection for a cable in a medium conduit comprises a cable passage with which the cable is taken out of the medium conduit. The cable passage is provided with a cable tensioner with which a portion of the cable can be tensioned in the medium conduit.
| Method and apparatus for optical fiber coloring|
A method of coloring optical fibers during the optical fiber drawing that includes the steps of feeding a natural fiber coating material and a colorant to a mixer; mixing the natural fiber coating material and the colorant in the mixer to obtain a colored coating material; and supplying the colored coating material to a coating die. The feeding step includes exerting on the natural fiber coating a first gas pressure variable with at least one fiber drawing parameter; and exerting on the colorant a second gas pressure variable with at least one fiber drawing parameter..
| Optical/electrical composite connector and manufacturing method thereof|
In an optical/electrical composite connector including a male connector and a female connector, the male connector includes a ferrule provided at an end portion of an optical fiber on a side of the male connector which is connected to the female connector, and an electrode terminal. The female connector includes a core to transmit an optical signal, a cladding to cover the core, an electric wiring provided on an outer wall surface of the cladding, a sleeve in which the ferrule is fitted, the sleeve provided at an end portion of the cladding on a side of the female connector which is connected to the male connector, and a lens provided in the sleeve.
|System and method for network synchronization and frequency dissemination|
Distribution of reference frequency and timing information in a network involves determining latency between a first and second node from time delay between transmission of a reference frequency and timing signal and reception of an optical return timing signal in response. In a network with pairs of first and second optical fibers in optical fiber connections between network nodes, for transmission of optical data signals separately in mutually opposite directions between the network nodes respectively, provisions are made to transmit the reference frequency and timing signal and the resulting optical return signal via the same fiber, one in the same direction as the unidirectional data signal over that fiber and the other upstream.
|Mode multiplexing optical communication system|
An optical communication system is disclosed. The optical communication system comprises an optical transmitter and a substantially circular multi-mode optical fiber.
Provided is an optical fiber which is provided with heat resistance and productivity and in which a transmission loss is suppressed even in a high-temperature environment. It has, on an outer periphery of a glass fiber composed of a core part and a cladding part, a coating layer made by crosslinking an energy-curable resin composition containing a silicon compound, in which the silicon compound contained in the energy-curable resin composition of the coating layer as an outermost layer has a specified structure having a cyclic silicone site having an epoxy group and a linear silicone site, with the content of the cyclic silicone site in the compound being from 10 to 30% by mass..
|Multi-core fiber and method of positioning of core of multi-core fiber|
A multi-core fiber for accommodating multiple single mode cores in one optical fiber is provided with multiple types of non-identical cores having different propagation constants. Each of the multiple types of non-identical cores includes a core part and a cladding part covering an outer periphery of the core part.
|Fiber optic ribbon cable|
A fiber optic ribbon cable includes a stack of fiber optic ribbons, strength members surrounding the stack, and a jacket defining an exterior of the cable. The jacket forms a cavity through which the stack and the strength members extend.
|Multifiber subunit cable|
Micromodule subunit cables are constructed to allow for ease of identification between optical fibers in differing groups of optical fibers. In one cable, a first group of fibers is located within a first subunit while a second group of fibers is located within a second subunit, both subunits being enclosed in a cable jacket..
|Telecommunications cable inlet device|
The present invention relates to an inlet device for inserting a plurality of cables containing optical fibers, copper wires or coax cable into port of a telecommunications enclosure. In particular, the exemplary inlet device includes a breakout portion that can be connected to a conduit carrying at least one of the cables to enter the enclosure.
|Fiber optic connector holder and method|
A fiber optic connector holder is sized to fit within an opening for mounting a fiber optic adapter. The fiber optic connector holder is configured to permit a fiber optic connector with a dust cap positioned about a ferrule and a polished end face of an optical fiber held by the ferrule to be inserted within and releasably held by the connector holder.
|Photoelectric conversion device and optical fiber coupling connector|
A photoelectric conversion device includes a circuit board, light-emitting modules arranged on the circuit board in a first straight line, light-receiving modules arranged on the circuit board in a second straight line, and an optical coupling module. The optical coupling module includes a first optical surface, a second optical surface perpendicular to the first optical surface, a reflecting surface obliquely relative to the first and second optical surfaces, first converging lenses arranged on the first optical surface in a third straight line, second converging lenses arranged on the first optical surface in a fourth straight line, third converging lenses arranged on the second optical surface in a fifth straight line, and fourth converging lenses arranged on the second optical surface in a sixth straight line.
|Photoelectric coupling module|
A photoelectric coupling module includes a holding module and a lens module. The holding module includes a base defining a receiving recess and a cover having a protruding portion.
|Optical connector with high light-coupling efficiency|
An optical connector includes a printed circuit board, a photoelectric element positioned on and electrically connected to the printed circuit board, a lens element, and an optical fiber. The lens element defines a cutout having a sidewall and a blind hole in the sidewall.
|Fiber optic cable with increased directional sensitivity|
A distributed acoustic sensor, comprises a housing having a longitudinal bore therethrough, an optical fiber supported in the bore; and an inertial member supported within the bore, wherein the fiber is mechanically coupled to the inertial member. The inertial member may include a weight and may provides isotropic stiffness such that it deforms more readily in a first direction normal to the bore than it does in a second direction that is normal to both the bore and the first direction.
|Temperature sensing arrangement, method of making the same and method of sensing temperature|
A temperature sensing arrangement includes a member having a first coefficient of thermal expansion, and an optical fiber having a second coefficient of thermal expansion. The optical fiber is strain transmissively mounted to the member.
|Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers|
Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers are disclosed. A light diffusing optical fiber bundle includes an optically transmissive jacket and a plurality of light diffusing optical fibers disposed within the optically transmissive jacket.
|Light projector and sensor|
A light projector has a light emitting device having a light emitting surface, an optical fiber having an incident end-face to which light emitted from the light emitting surface enters, and a lens arranged between the light emitting surface of the light emitting device and the incident end-face of the optical fiber. The light emitting device, the optical fiber and the lens are arranged on one optical axis.
|Light module for a motor vehicle headlamp, configured to generate a stripe-shaped light distribution|
A light module for a motor vehicle headlamp having an optical fiber configuration with at least one first optical fiber branch and one second optical fiber branch. Each of the two branches has a light exit surface each bordered by two narrow sides and disposed such that a narrow side of the first branch is disposed parallel and directly adjacent to a narrow side of the light exit surface of the second branch.
|Method and apparatus for producing fiber optic gyroscope sensing coil using b-stage adhesive coated optical fiber|
An optical fiber with a b-stageable hybrid adhesive coating includes an optical fiber and an outer jacket. The outer jacket includes at least one layer that includes a partially cured b-stageable hybrid adhesive..
|Stablized pump laser with output reflector on polarizing optical fiber|
A laser apparatus comprises a pump laser device, and a polarizing optical fiber having a proximal end and a distal end, with the polarizing optical fiber coupled to the pump laser device at the proximal end. At least one output reflector is written on the polarizing optical fiber toward the distal end.
|Bi-directional multi-pulsewidth optical time-domain reflectometer|
There is provided a bi-directional optical reflectometric method for characterizing an optical fiber link. The method comprises: performing a plurality of forward-direction light acquisitions from one end of the optical fiber link and performing a plurality of backward-direction light acquisitions from the opposite end, wherein each light acquisition is performed by propagating at least one test light signal corresponding to given spatial resolution and detecting corresponding return light so as to obtain a reflectometric trace representing backscattered and reflected light as a function of a distance on the optical fiber link, and wherein said plurality of forward-direction light acquisitions and said plurality of backward-direction light acquisitions are each performed with mutually different spatial resolutions; and deriving a value of at least one parameter characterizing an event along said optical fiber link at least using a forward-direction light acquisition and a backward-direction light acquisition performed with mutually different spatial resolutions..
|Optical cable connector|
Methods, systems, and devices are disclosed for interconnecting two optical fibers using a protective insert, wherein the protective insert includes a connective segment that provides optical communication connection between the two optical fibers. Furthermore the protective insert includes two attachment mechanisms adjacent to the connective segment with each of the two attachment mechanisms adapted to removably attach one of the two optical fibers to the connective segment.
|System for distributed blood flow measurement|
A medical system for minimally-invasive measurement of blood flow in an artery (at). An interventional device (ivd) with an optical fiber (fb) comprising a plurality of temperature-sensitive optical sensor segments, e.g.
|Endoscope apparatus and treatment apparatus|
An endoscope apparatus includes: a laser light source that generates laser light; an optical fiber that guides laser light inputted to a proximal end and applies the laser light to a subject from a distal end; an actuator swinging a distal end portion of the optical fiber; the conductive wire provided in close contact with the optical fiber, and connected to the actuator; a signal generator that generates a drive signal for driving the actuator, the drive signal being conducted by the conductive wire; a detection circuit that detects a current flowing in the conductive wire when the signal generator generates the drive signal, and detects that the conductive wire is broken, based on the detected current value; and a controller that controls an amount of illuminating light based on a result of determination of whether or not the conductive wire is broken in the detection circuit.. .
|Scanning endoscope apparatus|
A scanning endoscope apparatus includes a light source section that emits illumination light, an optical fiber that irradiates the illumination light from a distal end to a subject with directivity, a drive element and a scanning drive section that perform scanning by the distal end of the optical fiber, a first light detection section that detects light from a direction of the distal end of the optical fiber, a second light detection section that detects light from an entire scanning range, and an image processing section that forms image information to be outputted to a display section based on a result of addition of a detection result corresponding to an external factor light component in a first light detection result and a second light detection result.. .
|Bus-based optical network system|
A bus-based optical network system comprising optical fibers, optical line terminals (olts), and a plurality of optical network units (onus) is revealed. The olt consists of the near part (oltn) and the far part (oltf).
|System for testing passive optical lines|
An optical splitter assembly including a splitter housing, a passive optical power splitter positioned within the splitter housing and a plurality of splitter output pigtails that extend outwardly from the splitter housing. Each of the splitter output pigtails including an optical fiber structure having a first end optically coupled to the passive optical power splitter and a second end on which a fiber optic connector is mounted.
A fan-out subassembly includes furcation modules mounted to a furcation module holder, which is adapted to be connected to a main component. The furcation module holder includes a cable anchoring location.
|Fiber management tray with restricted access region|
A fiber management tray (20) is disclosed. The fiber management tray (20) includes a tray body (22) defining a fiber storage region (24) for storing excess optical fiber length (26).
|Triple-sheathed monomode optical fiber|
According to the invention, the intermediate sheath (13) is formed by assembling longitudinal elements (13a) and includes: a first optical material, the refractive index of which differs from the refractive index of the monomode core by at most 10−3; and a second optical material, the refractive index of which is lower than the refractive index of said monomode core and differs therefrom by at least 10−3.. .
|Fiber optic distribution cables and structures therefor|
Fiber optic distribution cables and methods for manufacturing the same are disclosed. The fiber optic distribution cables present one or more optical fibers outward of the protective covering for distribution of the same toward the subscriber.
|Pressure resistant media converter apparatus|
A hermetically sealed media converter apparatus configured to operate in harsh high-pressure differential environments, such as deep marine environments, and oil and gas. A hermetically sealed media converter apparatus is provided having a vessel forming an inner chamber that is hermitically sealed from surrounding ambient environment outside the vessel.
|Optical connector having a plurality of optical fibres with staggered cleaved ends coupled to associated microlenses|
The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers to other optical fibres or optical devices. In particular, the disclosure provides an efficient, compact and reliable optical fiber connector (100) that incorporates an optically transmissive substrate (120) receiving the optical fibers (132) in v-grooves on a first major surface thereof with their angle cleaved ends (126) arranged in a staggered arrangement so as to redirect light to an associated microlens (128) at the opposite surface of the transparent substrate (120)..
|Cable assembly with electrical-optical hybrid cable|
A cable assembly comprises: an insulative housing; a plurality of contacts received into the insulative housing; a printed circuit board located behind the insulative housing and electrically connected with the plurality of contacts; a metallic shell enclosing the insulative housing and the printed circuit board; an insulative shell enclosing a rear portion of the metallic shell; and a cable having a plurality of optical fibers coupled to a top surface of the printed circuit board and a plurality of copper wires electrically connected to a bottom surface of the printed circuit board.. .
|Ferrule assembly with integral latch|
An optical fiber assembly includes a ferrule body with a plurality of optical fibers positioned therein. The assembly may include a beam expanding element adjacent the front face of the ferrule body with a lens array aligned with the optical fibers.
|Fiber optic connector assemblies having windowed optical fibers and methods thereof|
Fiber optic connector assemblies and method for assembling the same are disclosed. In one embodiment, a fiber optic connector assembly includes an optical fiber having an inner glass region, a polymer layer surrounding the inner glass region, and a windowed portion, wherein the inner glass region is exposed at the windowed portion.
|Optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment|
An optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment is mainly used to align two optical elements for connecting two optical elements, such as connection of two optical fibers, connection of one optical fiber with a photo diode, or connection of one optical fiber and one optical waveguide. In using, one optical element is placed upon the supporting seat for fine position adjustment, and another optical element is fixed on an external retainer for aligning to the former optical element on the supporting seat.
|Optical substrate having a plurality of staggered light redirecting features on a major surface thereof|
The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers. In particular, the disclosure provides an efficient, compact, and reliable optical fiber connector that incorporates a unitary substrate comprising a plurality of staggered light redirecting features on an input surface there of directing incoming light from optical fibres through the substrate towards optical elements to be coupled with..
The present invention provides a backlight module which contains a collection device for collecting sunlight, an optical fiber cable, at least a light guide device connecting the collection device through the optical fiber cable, and a diffusion device and an optical member fixed at a distance from a side of each light guide device. Sunlight is collected by the collection device and is introduced into each light guide device; and each light guide device then guides and projects the collected sunlight onto the diffusion device and the optical member sequentially.
|Selective uv curing of epoxy adjacent to optical fibers by transmitting uv energy through the fiber cladding|
A method and system for affixing multi-core fiber (mcf) within a ferrule includes a uv light source and a light guide. Mcfs are placed into epoxy filled holders, e.g., channels or v-grooves, of a ferrule.
|Manufacture of bend insensitive multimode optical fiber|
A method of assembling a preform for a bend-insensitive multimode optical fiber (bimmf), includes providing a multimode core rod, a glass overclad tube, and a trench tube of down-doped quartz glass with a depressed refractive index sufficient to obtain a desired trench depth in a refractive index (ri) profile of a drawn fiber. The core rod is placed inside the trench tube, and the trench tube and the core rod are placed inside the overclad tube to define the preform.
|Mold for fabricating optical fiber connector|
A mold for fabricating an optical fiber connector includes a first plate-shaped core with a first forming surface, a second plate-shaped core with a second forming surface, and a female mold. The female mold includes a first surface and a second surface.
|Secure data transmission via spatially multiplexed optical signals|
Various embodiments provide secure optical transmission of data. Noise may be added to optical signals transmitted by spatial paths of a multimode optical fiber.
|Optical fibers with varied mode-dependent loss|
Various embodiments provide for detection of tapping of an optical signal. In one embodiment an optical fiber includes a cladding region and first and second core regions.
|Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver|
A transmitter for a communications link is tested by using a (software) simulation of a reference channel and/or a reference receiver to test the transmitter. In one embodiment for optical fiber communications links, a data test pattern is applied to the transmitter under test and the resulting optical output is captured, for example by a sampling oscilloscope.
|Apparatus for modular implementation of multi-function active optical cables|
Apparatus enabling modular implementation of active optical cable (aoc) with multiple integrated functions including: integration of different types of data on the aoc via media conversion; distribution of electrical power over the aoc; electrical multiplexing data channels for optical fibers; integration of voltage regulators enabling aoc operation at different supply voltages; integration of voltage regulators to provide stable, low noise power source; ruggedized, blind-mateable electrical connectors; integration of electronics and optoelectronics inside a connector backshell; implementation of health monitoring and test channel enabling monitoring, test, and control of both ends of the aoc and monitoring and control of upstream systems and components; and enabling a form, fit, function replacement of existing electrical cables to improve swap, electromagnetic interference resiliency, length-bandwidth product, electromagnetic pulse resistance, signal integrity, system reliability, testability and maintenance. Aocs are customized for different connectors, pin-outs, electrical data combinations, power distribution and power supplies with minimal redesign/requalification..
|Optical communication system, device and method for data processing in an optical network|
An optical communication system, a method and a network device for an optical network are provided, wherein the device comprises a first port coupled with a first optical fiber link, a second port coupled with a second optical fiber link, the first port and the second port being configured to be coupled with respect to each other in case of a failure of the first optical fiber link or in case of a failure of the second optical fiber link. .