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7620285 |
Optical waveguide with a colored layer and method for manufacturing the same
The present invention provides an optical waveguide including: a cladding; at least one core embedded in the cladding; and a colored layer that is provided at a portion substantially overlapping...
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7620284 |
Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal
An optical waveform shaping device includes a first waveguide portion, formed on a substrate, for transmitting the optical signal and simultaneously absorbing a portion of the optical signal, which...
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7618201 |
Optical module
An optical-waveguide device mounted on a fixing member having a pair of opposing upright walls and a sub-mount unit including a metallic sub-mount of a rectangular solid shape inserted between the...
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7618147 |
Efficient illumination for display systems and in methods for displaying
A display system ( 100, 200, 300, 350, 400, 450 ) for displaying an image is described. The display system ( 100, 200, 300, 350, 400, 450 ) typically comprises one or a plurality of individual...
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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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7616854 |
Optical coupling structure
The present invention provides an apparatus and method for operation therefore. The apparatus, in one embodiment, includes an optical coupling structure disposed within a cladding region, wherein...
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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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7614775 |
Light guide member, planar lighting device using the same, and rod-type lighting device
A transparent light guide member comprising a first light guide unit in the form of a transparent plate having a rectangular light emitting plane and a parallel groove formed on a rear surface...
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7613375 |
Optical waveguide for touch panel
An optical waveguide for a touch panel which obviates a need for positioning a light receiving optical waveguide portion. The touch panel optical waveguide A 1 which is to be fitted around a...
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7613367 |
Optical sensor and modulator
An optical device is presented for use in modulation of light and/or in sensing an external field, by at least partially, directly or indirectly exposing the device to the controllable or unknown...
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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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7609931 |
Planar waveguide structure with tightly curved waveguides
Ridge and buried waveguide structures feature a plurality of trenches disposed proximate the waveguides in order to enhance confinement of an optical signal propagating within the waveguide are...
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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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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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7609915 |
Apparatus and method for a waveguide-based optical polarizer/isolator
The present invention provides an apparatus for a one-way waveguide and/or a circular polarizer that includes a waveguide having a height, a width, a length and a wave propagation direction. A...
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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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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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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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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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7599585 |
Etched-facet semiconductor optical component with integrated end-coupled waveguide and methods of fabrication and use thereof
An optical apparatus comprises: a semiconductor substrate; a semiconductor optical device integrally formed on the substrate and having a device end face; and a low-index planar optical waveguide...
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7596288 |
Micro displacement sensor
A micro displacement sensor includes a first photonic crystal module, a second photonic crystal module, a light source and a detector. The first photonic crystal module includes a first substrate...
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7595010 |
Method for producing a doped nitride film, doped oxide film and other doped films
Adding at least one non-silicon precursor (such as a germanium precursor, a carbon precursor, etc.) during formation of a silicon nitride, silicon oxide, silicon oxynitride or silicon carbide film...
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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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7593610 |
Multi-mode optical coherence device and fabrication method thereof
In an MMI device with which a plurality of narrow width single-mode waveguides are provided at both ends of a multimode waveguide M, and light introduced into one single-mode waveguide on the input...
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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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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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7590326 |
Optical integrated device manufacturing process and device manufactured by the process thereof
The invention relates to a process for manufacturing an integrated optical device comprising the deposition on a support substrate of a multilayer being formed by first and second cladding layers...
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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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7589886 |
Wavelength converter structure and method for preparing the same
A wavelength converter structure comprises a supporting substrate, a ferroelectric substrate having at least one ridge waveguide including a plurality of periodic poled regions positioned on 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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7587113 |
Optical waveguide
An optical waveguide having excellent resistance to moisture, which includes an under cladding layer 2 a formed on a substrate 1 , core portions 3 formed in a predetermined pattern on the...
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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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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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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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7583880 |
Methods of forming printed circuit boards having optical functionality
Provided are methods of forming printed circuit boards having optical functionality. The methods involve applying a dry-film to a printed circuit board substrate and forming an optical waveguide...
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7583879 |
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape
An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a...
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7583869 |
Electroabsorption duplexer
An electroabsorption (EA) duplexer in which an optical amplifier, a photodetector, and an optical modulator are monolithically integrated to obtain a high radio frequency (RF) gain in radio-over...
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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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7580604 |
Zero index material omnireflectors and waveguides
We have shown that a single layer of a 3D Zero Index Material (ZIM) has omnidirectional reflection properties. In the range between the electric plasma frequency and the magnetic plasma frequency,...
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7580602 |
Beam apodization for a planar solid immersion mirror
An apparatus includes a planar waveguide, first and second gratings for coupling electromagnetic radiation into the planar waveguide, and a beam shaper for controlling the amplitude distribution of...
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7580593 |
Optical attenuator
In an optical attenuator, there are a first optical waveguide 3 A connected to an input optical waveguide 1 , a second optical waveguide 3 B connected to an output optical waveguide 2 and a...
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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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7577322 |
Optical integrated circuit comprising a light guide forming at least one optical separation
An optical integrated circuit with waveguide separation on a substrate includes at least one separating unit, including an optical input/output interface in relation with an external light wave...
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7577320 |
Low loss lateral optical waveguide intersections
A geometrically shaped optical waveguide crossing or intersection with minimal transmission loss is described. A symmetrically tapered waveguide intersection is used to minimize loss in the...
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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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7575939 |
Optical detection of label-free biomolecular interactions using microreplicated plastic sensor elements
Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also...
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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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7573543 |
Light guide panel and display device employing the same
Provided are a light guide panel and a display device employing the same. The light guide panel includes: an incidence surface facing a plurality of light sources separated apart a predetermined...
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