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7632695 |
Semiconductor device manufacturing method
A technique is provided which enables formation of nitride semiconductor layers with excellent flatness and excellent crystallinity on a gallium nitride substrate (GaN substrate), while improving...
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7622315 |
Tunable laser source with integrated optical modulator
A tunable laser source with integrated optical modulator. The tunable laser source is a widely tunable semiconductor laser that is comprised of an active region on top of a thick, low bandgap,...
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7611916 |
Method of manufacturing semiconductor optical element
A method of manufacturing a semiconductor optical element, includes successively stacking a first semiconductor layer of a first conductivity type, an active layer, and a second semiconductor layer...
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7605011 |
Semiconductor device and a method of manufacturing a semiconductor device
A semiconductor device comprises an active region ( 4 ), a cladding layer ( 5,7 ), and a saturable absorbing layer ( 6 ) disposed within the cladding layer. The saturable absorbing layer comprises...
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7598099 |
Method of controlling a fabrication process using an iso-dense bias
Embodiments of controlling a fabrication process using an iso-dense bias are generally described herein. Other embodiments may be described and claimed.
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7588953 |
Method of fabricating porous aluminum oxide mold having sub-micron structure and methods of imprinting to make LEDS using the mold
An mold having a sub-micron, or even nano, structure is fabricated. The mold is a porous aluminum oxide mold. With the mold, a sub-micron pattern is easily imprinted on a large surface of a...
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7582497 |
Method of manufacturing micro-optic device
A micro-optic device including a complicate structure and a movable mirror is made to be manufactured in a reduced length of time. A silicon substrate and a single crystal silicon device layer with...
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7575943 |
Quantum dot laser diode and method of manufacturing the same
Provided are a quantum dot laser diode and a method of manufacturing the same. The method of manufacturing a quantum dot laser diode includes the steps of: forming a grating structure layer...
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7574075 |
Fiber Bragg grating and fabrication method
A method of fabrication of a thermally stabilized Type I fiber Bragg grating-based temperature sensing device includes doping a fiber core material with germanium or germanium oxide for enhancing...
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7539228 |
Integrated photonic semiconductor devices having ridge structures that are grown rather than etched, and methods for making same
A SAG technique is used to grow the ridge structure in a photonic semiconductor device, such as an electroabsorption modulator integrated with a distributed feedback laser (EML) assembly. The...
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7525726 |
Photonic crystal semiconductor device and production method thereof
To provide a photonic crystal semiconductor device which enables various kinds of optical devices having a photonic crystal structure which is readily formed using a semiconductor and a...
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7510890 |
Method for producing a luminescence diode chip
A method for producing a luminescence diode chip, in which provision is made of a semiconductor body is provided having an epitaxially grown semiconductor layer sequence having an active zone and a...
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7508608 |
Lithographically fabricated holographic optical identification element
A method for fabricating an optical identification element is provided, wherein a removable plate or substrate having photosensitive material fabricated thereon, one or more gratings are written on...
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7499605 |
Fiber Bragg grating for high temperature sensing
A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for...
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7494836 |
Semiconductor laser with a weakly coupled grating
A semiconductor laser with a semiconductor substrate, a laser layer arranged on the semiconductor substrate, a waveguide arranged parallel to the laser layer and a strip shaped grating structure is...
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7494837 |
Thin film forming apparatus
There is provided a thin film forming apparatus for precisely forming a film of an organic EL material made of a polymer without a positional deviation and at a high throughput. A pixel portion is...
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7482184 |
Manufacture of a layer of optical interconnection on an electronic circuit
The invention relates to a method for manufacturing an optoelectronic device comprising: a step for manufacturing optical guiding means; a step for assembling these means with electronic circuit...
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7465593 |
Electronics device, semiconductor device, and method for manufacturing the same
It is an object of the present invention to provide a high reliable EL display device and a manufacturing method thereof by shielding intruding moisture or oxygen which is a factor of deteriorating...
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7439091 |
Light-emitting diode and method for manufacturing the same
A light-emitting diode (LED) and a method for manufacturing the same are described. The method for manufacturing the LED comprises the following steps. An illuminant epitaxial structure is...
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7432118 |
Vertical cavity surface emitting laser having a gain guide aperture interior to an oxide confinement layer
A VCSEL with current confinement achieved by an oxide insulating region and by an ion implant region. An annular shaped oxide layer is formed, and a gain guide ion implant is formed. The ion...
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7407889 |
Method of manufacturing article having uneven surface
The present invention improves a method of forming a surface unevenness using a difference in etching rates, and relaxes limitations on substrates in this method. In a method of the present...
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7396697 |
Semiconductor light-emitting device and method for manufacturing the same
A method for fabricating a semiconductor light-emitting element according to the present invention includes the steps of (A) providing a striped masking layer on a first Group III-V compound...
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7381581 |
Method for manufacturing vertical cavity surface emitting laser and multiple wavelength surface emitting laser, vertical cavity surface emitting laser, multiple wavelength surface emitting laser, and optical communication system
A method for manufacturing a vertical cavity surface emitting laser formed by laminating a plurality of layers on a substrate, includes coupling two layers of the plurality of layers by joining at...
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7376305 |
Echelle gratings with low Polarization Dependent Loss (PDL) using metal coating on the reflecting facets only
An Echelle grating has alternate first ( 1 a ) and second ( 1 b ) sets of facets ( 1 ). The first set of facets ( 1 a ) is operative to reflect incident light ( 4 ) for diffraction and the second...
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7372052 |
Electron beam method and apparatus for reducing or patterning the birefringence of halogenated optical materials
A controlled electron beam and heat will decrease the birefringence of a halogenated optical material under tensile stress. The electron beam and heat irradiation will occur in a chamber under near...
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7348195 |
Semiconductor light-emitting device and method for fabricating the device
An n-type AlAs/n-type Al 0.5 Ga 0.5 As DBR layer and a p-type (Al 0.2 Ga 0.8 ) 0.5 In 0.5 P/p-type Al 0.5 In 0.5 P DBR layer are formed on an n-type GaAs substrate at specified intervals so that a...
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7345298 |
Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers by growth over a patterned substrate
A structure using integrated optical elements is comprised of a substrate, a buffer layer grown on the substrate, one or more patterned layers formed on the buffer layer and one or more active...
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7341882 |
Method for forming an opto-electronic device
A method for forming an opto-electronic device through low temperature processes is provided. An active layer is bonded to a substrate by a common adhesive to maintain or increase the luminous...
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7338825 |
Structure for optical device and method of fabricating the same
Provided are a structure for an optical device and method of fabricating the same. The structure includes: a light scattering layer producing nanoparticles due to externally provided thermal...
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7310463 |
Optical structural body, its manufacturing method and optical element
A single pulse laser beam of linear polarization is irradiated to a glass region such that the condensing point is located inside of the glass region, thereby to form, at the condensing point, a...
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7288422 |
Photonic integrated device using reverse-mesa structure and method for fabricating the same
A photonic integrated device using a reverse-mesa structure and a method for fabricating the same are disclosed. The photonic integrated device includes a first conductive substrate on which a...
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7288421 |
Method for forming an optoelectronic device having an isolation layer
Methods are disclosed for forming optoelectronic devices. In one example of such a method, a substrate is provided and a partially conductive bottom mirror formed thereon. An active region is then...
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7285834 |
Process for producing microelectromechanical components and a housed microelectromechanical component
A process produces microelectromechanical components from a substrate that has a first side and a second side which is substantially opposite from the first side, and at least the first side has at...
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RE39865 |
Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same
An index grating is imprinted in the core of an optical fiber using a specially designed silica glass phase grating mask. The phase mask is held in close proximity to the optical fiber. Laser...
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7269315 |
Apparatus for writing Bragg gratings and reflection unit used in the apparatus
Provided is an apparatus for writing Bragg gratings and a reflection unit used in the same capable of readily adjusting an incident angle of light radiated from a light source, in order to write...
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7268005 |
Apparatus and method for stacking laser bars for uniform facet coating
An apparatus for stacking photonic devices is disclosed. The apparatus can include a base, first and second spaced apart rail portions disposed on the base, and a vacuum guide disposed on the base...
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7266284 |
Method for controlling one or more temperature dependent optical properties of a structure and a system and product thereof
A method for controlling one or more temperature dependent optical properties of a structure in accordance with embodiments of the present invention includes heating at least a portion of a...
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7228043 |
Optical waveguide circuit and manufacturing method thereof
An optical waveguide circuit comprising a plurality of first cores ( 203 ) arranged at intervals widening as they are away from the branch point or the joining point of optical signal, a clad ( 205...
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7228017 |
Fiber optic sensing device and method of making and operating the same
A chemical sensing device comprises a fiber core and a fiber cladding. The fiber core comprises an index-modulated grating region having an apodized profile configured for increasing shedding of...
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7224882 |
Optical materials with selected index-of-refraction
Photosensitive optical materials are used for establishing more versatile approaches for optical device formation. In some embodiments, unpatterned light is used to shift the index-of-refraction of...
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7214556 |
Method for forming alignment layer of LCD
Disclosed is a method for forming an alignment layer of an LCD capable of preventing Mura defects when the alignment layer is formed through an LC one drop fill process. The method includes the...
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7207706 |
Light emitting diode having diffraction grating and planar light source device using the same
A planar light source device ( 100 ) for a display device includes a light guide plate ( 120 ) and pluralities of light emitting diodes ( 110 ). The light guide plate has a light incident surface (...
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7209506 |
Optically pumped semiconductor device and method for producing it
An optically pumped radiation-emitting semiconductor device with a surface-emitting quantum well structure ( 10 ), which has at least one quantum layer ( 11 ), and an active layer ( 8 ) for...
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7133587 |
Dispersion compensator, method for manufacturing the same, and method for compensating wavelength dispersion
A dispersion compensator includes at least one first optical waveguide, a first slab waveguide, an arrayed waveguide connected to the at least one first optical waveguide via the first slab...
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7112460 |
Semiconductor laser device, production method therefor, and jig for use in the production method
A semiconductor laser device includes a semiconductor substrate on which a semiconductor thin film including an active layer is lamineted, a pair of electrodes respectively provided on opposite...
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7084433 |
Semiconductor laser device capable of maintaining the operation current low and method of manufacturing the same
In this semiconductor laser device, an InGaP etching block layer 11 as an etching selection layer having etching selectivity for an n-type AlInP current block layer 10 , which is a...
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7083995 |
Optical semiconductor device and process for producing the same
A resist is coated on a substrate. The resist is exposed to a pattern of a plurality of diffraction gratings for setting pitches corresponding respectively to oscillation wavelengths for the...
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7082249 |
Low optical overlap mode (LOOM) waveguiding system and method of making same
An optical system including: a substrate having a recess; and, a substantially planar, semiconductor waveguiding membrane suspended over the recess and having a thickness less than about 200 nm;...
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7071521 |
Process for producing microelectromechanical components and a housed microelectromechanical component
A process produces microelectromechanical components from a substrate that has a first side and a second side which is substantially opposite from the first side, and at least the first side has at...
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7068884 |
Apodized fiber bragg grating and improved phase mask, method and system for making the same
An apodized fiber Bragg grating, and a phase mask, method and system for making such a grating are disclosed. The refractive index profile of the grating has a periodic apodization phase component...
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