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7634165 |
Monolithic tunable lasers and reflectors
A wavelength tunable device for operating on at least a portion of energy propagating through a waveguide is disclosed. The wavelength tunable device includes an upper cladding and a lower cladding...
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7630596 |
Silicon structure and method of manufacturing the same
A silicon structure includes a silicon substrate; and an on-substrate structure including a silicon compound film and formed on said silicon substrate. At least one removal section removed through...
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7630602 |
Optical filter module and method of manufacturing the same
An optical filter module for wavelength multiplexing and demultiplexing and a method of manufacturing the same are provided. The optical filter module for wavelength multiplexing and demultiplexing...
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7630592 |
Method for the production of electrooptical printed circuit boards comprising polysiloxane wave guides and use thereof
The invention relates to the production of an electrooptical printed circuit board (EOLP) and to the use thereof. The optical layer in the printed circuit board is made of highly transparent and...
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7627212 |
Optical integrated device
An optical integrated device includes an optical waveguide structure formed on a semiconductor substrate and including a plurality of first channel optical waveguide portions, an optical coupler...
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7622188 |
Islands-in-sea type composite fiber and process for producing the same
The islands-in-sea type composite fiber of the present invention comprises a sea part containing an easily soluble polymer and 100 or more island parts containing a hardly soluble polymer, per...
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7616856 |
Varying refractive index optical medium using at least two materials with thicknesses less than a wavelength
An optical medium has a graded effective refractive index with a high maximum refractive index change. The medium is formed using alternating layers of two or more materials having significantly...
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7616849 |
Illuminating devices including uniform light distribution, multiple light sources, and multiple types of light sources
An optical device for collecting and distributing light from a quasi point light source which includes a planar light guide having surfaces through which optical axes are periodically spaced. There...
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7609932 |
Slot waveguide structure
A nanometer slot waveguide includes a nanometer slot waveguide structure with vertically stacked layers. The vertically stacked layers include a substrate, a first waveguide layer defining a first...
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7609917 |
Method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a top cladding
A method and apparatus for controlling waveguide birefringence by selection of a waveguide core width for a tuned top clad is described herein. In one example, a dopant concentration within a top...
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7609919 |
Coupling-enhanced surface etched gratings
The invention describes the method and apparatus for enhancement of coupling efficiency in effective-ridge laterally-coupled surface-etched grating waveguide structures, where a slab waveguide has...
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7606447 |
Mach-Zehnder type semiconductor device and method of controlling the same
A Mach-Zehnder type semiconductor device includes electrodes for injecting carriers into first and second branch waveguides so as to change reflection indexes of the first and second branch...
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7605103 |
Translucent ceramic and method for manufacturing the same, and optical component and optical device
A translucent ceramic containing a main component represented by Ba{M x B1 y B2 z } v O w (wherein B1 is a trivalent metallic element, B2 is a quintavalent metallic element, M is at least one...
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7606456 |
Apparatus for the collection and transmission of electromagnetic radiation
A collector for propagating incident radiation is disclosed. The collector may comprise a light directing component coupled to a buffer component, a first propagation component coupled to the...
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7606455 |
Light emitting slot-waveguide device
An electroluminescent material slot waveguide generates light in response to current injection. In one embodiment, the waveguide is formed as part of an optical resonator, such as ring resonator...
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7603016 |
Semiconductor photonic nano communication link apparatus
A CMOS compatible ten-gigabit-per-second region nano-waveguide included photonic communication link apparatus of low energy use per transmitted bit. An embodiment of the link includes an...
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7599586 |
Integrated chip
An integrated chip for data communication, telecommunication and optical analysis for at least one, two or more wavelengths where the chip can be used not only to emit light but also to detect...
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7599594 |
Method of fabricating waveguide using sacrificial spacer layer
The present invention is a method of fabricating a waveguide using a sacrificial spacer layer. The first step in this process is to fabricate the underlying optical semiconductor structure. A...
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7599595 |
Semiconductor optoelectronic waveguide
The present invention relates to a semiconductor optoelectronic waveguide having a nin-type hetero structure which is able to stably operate an optical modulator. On the upper and lower surfaces of...
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7599596 |
Optical receiver for use with range of signal strengths
A receiver includes a waveguide defined in a layer of silicon positioned on a base. The waveguide is immobilized relative to the base along the length of the waveguide. The waveguide is unbranched...
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7599593 |
Ge-Si quantum well structures
Si—Ge quantum wells where the well material has a lowest conduction band energy minimum at k=0 (the Γ point of the first Brillouin zone) are provided. Quantum well structures that satisfy this...
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7592632 |
Light emitting device and display device using the same
A small-sized and high-efficiency light emitting device capable of easily emitting green light includes a resonator including a photonic crystal having a refractive-index periodic structure and a...
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7593615 |
Optical devices for guiding illumination
Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from...
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7590327 |
Waveguide and light emitting device having the same
A waveguide based on a three-dimensional photonic crystal is arranged to provide wave-guiding in a single mode and a mode having a field strength distribution with unimodality in a plane...
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7590325 |
Two-dimensional photonic crystal optical multiplexer/demultiplexer
The present invention provides an optical multiplexer/demultiplexer that can be smaller in size and higher in Q-factor or efficiency. This object is achieved by the following construction. In a...
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7587114 |
Film-shaped optical waveguide production method
A film-shaped optical waveguide production method which ensures easy production of individual film-shaped optical waveguides without the need for cutting and stamping. A plurality of film-shaped...
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7587103 |
Method for ultrafast optical deflection enabling optical recording via serrated or graded light illumination
In one general embodiment, a method for deflecting an optical signal input into a waveguide is provided. In operation, an optical input signal is propagated through a waveguide. Additionally, an...
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7587112 |
Optical device and light control method
In order to prevent a spectrum of a wavelength channel from becoming narrower, a device according to the present invention includes a light dividing section capable of dividing a wavelength...
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7583881 |
Optical element and display with transparent tensioned supporting films
An optical element comprises a stack of at least three juxtaposed films with at least one inner optical film and two outer transparent films exhibiting high dimensional stability, wherein a...
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7583882 |
Waveguides for ultra-long range surface plasmon-polariton propagation
The disclosure relates to surface plasmon-polariton waveguides, which can guide ultra-long range surface plasmon-polariton waves. The attenuation of an ultra-long range surface plasmon-polariton...
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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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7577327 |
Optical junction apparatus and methods employing optical power transverse-transfer
An optical apparatus comprises an optical device formed on a device substrate, a first optical waveguide formed on the substrate or on the optical device, and a second, mechanically discrete...
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7577319 |
Semiconductor optical device and manufacturing method thereof
A low reflective window structure in an existent electro-absorption optical modulator involves a trading off problem between the increase in the parasitic capacitance and the pile-up. This is...
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7574098 |
Photonic crystal device
A photonic crystal device according to the present invention includes: a first dielectric substrate 104 having a first lattice structure, of which the dielectric constant changes periodically...
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7574090 |
Semiconductor device using buried oxide layer as optical wave guides
A semiconductor optical wave guide device is described in which a buried oxide layer (BOX) is capable of guiding light. Optical signals may be transmitted from one part of the semiconductor device...
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7574089 |
Optofluidic devices and methods of using the same
An optofluidic device is provided. The device includes a cladding region having a first refractive index, and a channel defined by the cladding region such that the cladding region forms an inner...
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7569335 |
Photosensitive resin composition for optical waveguides, and optical waveguide and manufacturing method thereof
There is provided a photosensitive resin composition for forming an optical waveguide which has high shape precision and excellent transmission characteristics under high temperature and high...
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7561774 |
Optical waveguide
In the optical waveguide which comprises a core layer to be an optical transmission region and an upper clad layer and a lower clad layer covering the surrounding of the core layer and of which the...
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7561765 |
Optical integrated circuit and optical integrated circuit module
An optical integrated circuit 1 according to the present invention includes a planar lightwave circuit 2 , and a semiconductor element 3 , which are fixed at one contact surface 12 . A...
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7561773 |
Optical waveguide, method of manufacturing the same and optical communication module
An optical waveguide includes: a lower substrate; a waveguide core that is formed on the lower substrate; a clad that is formed to surround a periphery of the waveguide core; and an upper substrate...
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7561772 |
Organic devices having a fiber structure
A photoactive fiber is provided, as well as a method of fabricating such a fiber. The fiber has a conductive core including a first electrode. An organic layer surrounds and is electrically...
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7558456 |
Optical waveguide device
An optical waveguide device includes a lower cladding layer, a high refractive index region provided on the lower cladding layer, a pair of cores provided on the lower cladding layer on both sides...
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7555174 |
Coplanar waveguide line
A coplanar waveguide line comprising
a substrate; a central electrode strip on the substrate; first and second electrode strips disposed on opposite sides of the central electrode strip and...
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7548678 |
Optical element and method for producing the same
An optical element is provided that includes a base substrate, a waveguide substrate, and a thin film layer that is provided between the base substrate and the waveguide substrate and that has a...
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7546003 |
Suspension board with circuit and producing method thereof
A suspension board with circuit includes a metal supporting board, an insulating base layer formed on the metal supporting board, a conductive pattern formed on the insulating base layer, an...
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7546017 |
Electro-photonic modulators
Various embodiments of the present invention are directed to modulators that can be operated electronically and used to modulate electromagnetic radiation. In one embodiment of the present...
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7546016 |
Optical elements formed by inducing changes in the index of refraction by utilizing electron beam radiation
An optical element such as an interference filter will have adjacent layers of different indexes of refraction but formed of the same optical material. An optical element such as a diffraction...
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7541058 |
Method of making circuitized substrate with internal optical pathway
A circuitized substrate (e.g., PCB) including an internal optical pathway as part thereof such that the substrate is capable of transmitting and/or receiving both electrical and optical signals....
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7542643 |
Coupling element alignment using waveguide fiducials
An optical assembly includes a waveguide assembly and an optical coupling element. The waveguide assembly includes a core, a cladding portion, and, preferably, at least two waveguide core...
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7539358 |
SOI-based opto-electronic device including corrugated active region
The surface silicon layer (SOI layer) of an SOI-based optical modulator is processed to exhibit a corrugated surface along the direction of optical signal propagation. The required dielectric layer...
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