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7630601 |
Connecting a component with an embedded optical fiber
The invention provides an optical connection between a component on a printed circuit board (“PCB”) and an optical fiber embedded in the PCB. By optically connecting the component with the...
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7627216 |
Folded cavity of optoelectronic devices
An optoelectronic device has at least a first facet (S), a first waveguide ( 2 ) and a second waveguide ( 3 ). The waveguides are substantially coincident at the first facet ( 6 ), such that light...
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7603009 |
Double-ended distributed temperature sensing systems
The present invention comprises a system for deploying double-ended distributed temperature sensing (DTS) systems which utilizes less space than prior art systems. In one embodiment, the present...
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7599587 |
Wavelength selective switch
In a wavelength selective switch according to the present invention, an isolator is disposed between a lens array and a first lens. The isolator includes an isolator element and a transmitting...
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7580605 |
Three-dimensional optical waveguide, method of manufacturing same, optical module, and optical transmission system
A three-dimensional-optical waveguide is formed by laminating planar substrates such as a plurality of lens substrates and, an isolator substrate and a wavelength division multiplexing filter, the...
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7577321 |
Hybrid electro-optical circuit board and method for fabricating the same
A hybrid electro-optical circuit board including a plate, a light guiding hole and a light-guide device. The light guiding hole is formed in the plate to be connected to an upper surface and a...
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7577328 |
Optical reflector, optical system and optical multiplexer/demultiplexer device
An optical reflector, an optical multiplexer/demultiplexer device and an optical system which can allow more flexible arrangement of an optical filter thereof, and enhance performance of wavelength...
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7574081 |
Optical system with optical waveguides
The present invention provides an optical system with waveguides, which comprises first, second and third optical input/output means ( 12, 14, 16 ), fourth and fifth multi-mode optical waveguides (...
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7561766 |
Thin film interleaver
A thin film interleaver device is disclosed. The thin film interleaver includes thin film optics. The thin film(s) are formed such that they reflect one group of wavelengths while allowing a second...
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7561762 |
Semiconductor device having optical signal input-output mechanism
A semiconductor device has printed wiring board ( 11 ) where electric wiring ( 18 ) connected to LSI chip ( 17 ) and to planar optical element ( 21 ) is formed, and where optical waveguide ( 25 )...
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7545584 |
High intensity laser or diode-based lighting apparatus having integrated optics
A high intensity lighting apparatus ( 400 ) includes an outer housing ( 402 ); a curved support disk ( 414 ) having an array of diode or laser-based integrated light source ( 410 ) attached thereto...
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7542646 |
Optical waveguide and method of manufacturing the same
There is provided an optical waveguide including: a waveguide core through which light propagates; a cavity that is present inside the waveguide core so as to be open at least one end in the...
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7529442 |
Polarization-independent electro-optical (EO) switching
In one embodiment, an apparatus includes a passive element including one or more first waveguides and one or more second waveguides. The apparatus also includes an active element integrated into...
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7505651 |
Optical planar wavelength selective filter and method of manufacture
An optical planar wavelength selective filter is formed on a printed circuit substrate. Low optical loss polymers are used to make a layered structure that contains waveguides and free travel...
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7505661 |
Optical waveguide, package board having the same, and manufacturing method thereof
An optical waveguide, a package board having the optical waveguide, and manufacturing methods thereof are disclosed. The method of manufacturing an optical waveguide includes: forming a first...
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7499608 |
Apparatus and method for optical switching with liquid crystals and birefringent wedges
An optical switch includes an optical waveguide to route an input optical beam. At least one polarization switch receives the input optical beam from the optical waveguide. At least one...
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7499609 |
Optical Switch
A blocking portion is provided at an end of the mirror to prevent a light beam emitted from an input port from being transmitted to or reflected by first and second output ports. The mirror is...
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7489840 |
Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism
An optical link module of the present invention for connecting light beams by deflection and including light-emitting devices arranged in a planar manner; an optical fiber bundle that is an optical...
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7483602 |
Planar array optical switch and method
An optical switch device includes a first array ( 20 ) of reflectors ( 22 ), each associated with a separate optical fiber input ( 12 ), and a second array ( 30 ) of reflectors ( 32 ), each...
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7460757 |
Distributor system and method for fibre optic cables
The invention relates to a method and a device for coupling fiber optic cables. Said device comprises at least one module, which is equipped with at least one retaining unit for retaining at least...
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7457539 |
2×2 optical switch
A 2×2 optical switch routs each light signal received from input ports to selected output. The optical switch has an adjustable light signal steering element, a fixed light signal steering...
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7450801 |
Apparatus for free-space switching between planar lightwave circuits
A free-space optical switch for switching light beams between waveguides of planar lightwave circuits (PLCs). Switching is accomplished using a combination of lenses and micromirrors. The lenses...
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7447439 |
Optical duplexer and optical triplexer
An optical triplexer design is described in which external optical signals at a first wavelength range propagate through a laser source. The laser source provides optical signals having a second...
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7444048 |
Tilted combiners/decombiners and photonic integrated circuit (PIC) employing the same
A monolithic optical transmitter photonic integrated circuit (TxPIC) comprises a plurality of integrated modulated sources which, when all operated at constant current, display a power output that...
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7444046 |
Diode laser array coupling optic and system
A single piece optic for coupling the output of a diode laser array into an optical fiber array is provided. The coupling optic has a planar back surface which, during use with a diode laser array,...
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7437037 |
Optical module having gain member and partial reflection section waveguides formed on a substrate
The present invention is directed to an optical module, which stabilizes an oscillation characteristic of a laser by means of a simple configuration. To this end, a gain member, a partial...
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7433557 |
Tunable optical add/drop multiplexer
The tunable add/drop multiplexer including a tiltable mirror, a fixed thin film filter, and first and second retro-reflector elements for redirecting express channels back out an input/output port...
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7428355 |
Wavelength selective and level adjusting optical device
An optical device enabling reducing device scale is constituted by M circulators ( 11 a, 11 b ), (M being a natural number), a waveguide-type diffraction grating ( 12 ) including M first...
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7421157 |
Optical demultiplexing device
An optical device includes an optical fiber mount with an optical fiber disposed thereon, and an optical demultiplexer having a slit defined in the optical fiber across an optical axis thereof, and...
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7418165 |
Flexible optical waveguides for backplane optical interconnections
A flexible optical connector suitable for use in an optical backplane for interconnecting optical circuit boards, and methods of making the optical connector, are disclosed. The flexible optical...
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7406229 |
Optical module
Provided is an optical module including a light source for generating an optical signal, a waveguide for waveguiding the optical signal, a photodetector for detecting the optical signal, a first...
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7403679 |
Thermally tunable optical dispersion compensation devices
Thermally tunable optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include multiple Gires-Tournois (G-T) etalons. The etalons may be optically coupled...
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7394986 |
Flat top optical filtering component
The invention relates to wavelength-selective optical filters for allowing light of a narrow optical spectral band, centered around a wavelength (λ c ) to pass through them, while reflecting the...
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7376308 |
Optical off-chip interconnects in multichannel planar waveguide devices
The multichannel waveguide device includes an array of waveguides located in a plane. Each waveguide channel has a redirecting element for redirecting a guided wave out of said plane, or vice...
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7376299 |
Optical bi-directional rotary hinge
The specification and drawings present a new method and apparatus for a rotary hinge for transmitting an optical signal (e.g., comprising data) bi-directionally or uni-directionally from one part...
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7376311 |
Method and apparatus for wavelength-selective switches and modulators
An apparatus and method are provided for manipulating light beams propagated through an optical apparatus that includes a planar lightwave circuit (PLC) and free-space optics unit. A multi-wave...
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7374346 |
Fiber stub with optical element, optical receptacle and optical module
In a semiconductor laser module with an optical isolator where the form of a metal holder for holding a fiber stub varies, optical-isolator parts are miniaturized and unified, simplifying product...
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7373049 |
Optical deflection array
An optical deflection matrix including at least two optical deflection modules each for providing, from an incoming beam having a given direction of propagation, an output beam having a direction...
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7373050 |
Optical communication module and connector
A half region of an end face of an optical fiber is cut at an angle of 45° to form a reflecting surface. A light-emitting element is arranged so as to face the end face of the optical fiber. A...
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7373046 |
Optical add/drop multiplexers
A spectrally selective optical coupler is disclosed, comprising a first and a second waveguide; an external resonator defined by at least a first and a second mirror; and a respective deflecting...
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7369328 |
Optical path change type optical coupling element
A resin molding body has two faces (front face 15 and lower face 19 ) perpendicular to each other, and also has a total reflecting face 23 approximately having an angle of 45° with respect to...
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7366380 |
PLC for connecting optical fibers to optical or optoelectronic devices
Planar lightwave circuit (PLC) connects optical fibers to the top of an optical or optoelectronic device or optical or optoelectronic integrated circuit. Light propagating through optical fibers is...
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7359599 |
Optical near-field generator and near-field optical recording and reproduction apparatus
Decrease in optical near-field intensity is prevented when an light propagating medium made of a high refractive index material, such as a waveguide or a lens, is combined with a scatterer for...
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7352934 |
Three dimensional high index optical waveguides bends and splitters
An optical cavity structure for bending optical signals is provided. The optical cavity structure includes an input port for receiving input optical signals from a first waveguide. The optical...
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7352927 |
Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction
Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass...
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7349614 |
VLSI-photonic heterogeneous integration by wafer bonding
A new method to form a VLSI-photonic heterogeneous system device is achieved. The method comprises providing an optical substrate comprising at least one passive optical component formed therein....
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7349602 |
Wavelength division multiplexer architecture
Embodiments of the invention involve separating the collimating function and tilting function into two separate optical elements. The separation increases tolerance to misalignment and simplifies...
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7333687 |
Dual-filter architecture for reduced dispersion
Chromatic dispersion of thin-film based mux/demux and add/drop modules can be reduced. Thin-film devices can be arranged in a specific order in the module. Multiple kinds of filters are used to...
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7324729 |
Optical device
An optical device is made up of a glass substrate, an optical fiber array fixed to an upper portion of the glass substrate, a slit that extends from an upper surface of the optical fiber array into...
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7324728 |
Optical connector with total internal reflection abutting surface
An optical connector ( 10 ) comprises at least one optical guide ( 12 ) for carrying optical radiations; a total internal reflection surface ( 11 ) upon which, in use, said radiations impinge, so...
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