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9036953 Electro-optical modulator based on carrier depletion or carrier accumulation in semiconductors with advanced electrode configuration  
An electro-optical modulator with two electrodes as part of a transmission line of a first phase modulator and two electrodes as part of a transmission line of a second phase modulator included in...
8995802 IR heavy metal oxide glasses  
An IR supercontinuum source for generating supercontinuum in the MIR or possibly LWIR spectral bands comprises a supercontinuum fiber formed from a heavy metal oxide host glass having low optical...
8995814 Light guide and associated light assemblies  
A light guide has a transmission of greater than 90 percent, a refractive index greater than 1.4, and less than 10 haze percent. The light guide also includes an organosiloxane block copolymer...
8977097 Glass core planar waveguide laser amplifier  
A planar waveguide with a glass core and a crystalline cladding. In a specific embodiment, the core is doped preferably with Neodymium, Ytterbium, or Erbium. In the best mode, the core is athermal...
8958664 Semiconductor optical modulator  
A semiconductor optical modulator includes a substrate; and a mesa portion having a first cladding layer disposed on the substrate, a core layer disposed on the first cladding layer, and a second...
8934748 Optical fiber systems and methods  
One embodiment of the invention includes a method for forming an optical fiber. The method comprises providing a preform having a core material and a glass cladding material surrounding the core...
8923681 Optical fiber core  
An optical fiber core having a primary layer and a secondary layer, which are laminated on a bare optical fiber. The primary layer is formed by curing an ultraviolet-curable resin composition...
8891925 Low bend loss optical fiber  
An optical fiber having both low macrobend loss and low microbend loss. The fiber has a first inner cladding region having an outer radius r2>8 microns and refractive index Δ2 and a second outer...
8818160 IR supercontinuum source using low-loss heavy metal oxide glasses  
An IR supercontinuum source for generating supercontinuum in the MIR or possibly LWIR spectral bands comprises a supercontinuum fiber formed from a heavy metal oxide host glass having low optical...
8805133 Low-loss UV to mid IR optical tellurium oxide glass and fiber for linear, non-linear and active devices  
A tellurium oxide glass that is stable, strong and chemically durable exhibits low optical loss from the UV band well into the MIR band. Unwanted absorption mechanisms in the MIR band are removed...
8798412 Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same  
Disclosed is an optical fiber having a core with an alkali metal oxide dopant in an peak amount greater than about 0.002 wt. % and less than about 0.1 wt. %. The alkali metal oxide concentration...
8774590 Ytterbium-doped optical fiber  
Provided is an ytterbium-doped optical fiber including a core containing at least ytterbium, aluminum and phosphorous and a clad surrounding the core, wherein a molar concentration of diphosphorus...
8755642 Fiber-amplifiers with all-fiber optical isolator  
Fiber-amplifier device the light-path of which is devoid of a free-space element. The system device an all-fiber-optic Faraday rotator and isolator. The device has a multicomponent glass optical...
8750666 Optical device using a plasmonic waveguide, and optical isolator  
An optical device having a plasmonic waveguide, in which the plasmonic waveguide has a layered structure of at least three layers that a ferromagnetic metal layer, a first dielectric layer, and a...
8750655 Brillouin scattering fiber  
An optical fiber may be constructed of a material having at least first and second constituents. The constituents and their relative abundance are selected such that the aggregate Brillouin...
8722842 Optical film and image display device  
The present invention provides an optical film exhibiting wavelength dispersion such that a retardation value is smaller on the shorter wavelength side, and capable of being also formed...
8705923 Methods for designing improved multimode fiber optic cables  
Methods for designing improved multimode fiber optic cables are provided. In an embodiment, the method includes measuring a DMD waveform profile of a reference multimode fiber optic cable, where...
8687936 Optical fiber, optical transmission system, and method of making optical fiber  
Provided is an inexpensive low-loss optical fiber suitably used in an optical transmission network. An optical fiber includes a core, an optical cladding, and a jacket. The core has a relative...
8660395 Highly nonlinear optical waveguide structure with enhanced nonlinearity and mechanical robustness  
There is described an optical waveguide structure exhibiting nonlinear properties, a method of fabricating such, and an optical coupling device made of two of such optical waveguide structures....
8600210 GI type optical fiber and method for manufacturing same  
A GI type optical fiber of the present invention is a GI type optical fiber having a core component and a cladding component disposed around the outer periphery of the core component, the core...
8565566 Multi-mode optical fiber  
The present invention relates to a multi-mode optical fiber having a structure enabling stable production and broadening of communication bandwidth as compared with the conventional structures....
8565567 Multi-mode optical fiber  
The present invention relates to a multi-mode optical fiber having a structure which can be produced with good stability with a communication bandwidth broader than that in the conventional...
8509574 Faraday rotator and isolator  
An all-fiber optic Faraday rotator and isolator is presented. The device has a multicomponent glass optical fiber having a core having a first doping concentration of 55%-85% (wt./wt.) of a first...
8509588 Amplifying optical fiber operating at a wavelength in the range of 1000-1700 nm, methods of fabricating the same, and fiber laser  
An amplifying optical fiber includes a core containing oxides of elements selected from the group consisting of silicon, germanium, phosphorus, bismuth, aluminum, gallium with a concentration of...
8483534 Modified refractive index profile for low-dispersion multi-mode fiber  
An improved multimode fiber optic cable is provided. The improved multimode fiber optic cable includes, but is not limited to, a refractive index profile which is designed to compensate for a...
8483532 Low adhesion plastic-cladding optical fiber  
A plastic-cladding optical fiber is provided. The plastic-cladding optical fiber is provided includes: a core layer made of quartz glass; and a cladding layer formed by hardening a curable resin...
8478088 Optical switch and manufacturing method thereof  
The object is to provide an optical switch capable of efficient operation and a manufacturing method thereof. The optical switch according to the present invention is a Mach-Zehnder interferometer...
8470959 Polyimide compound, preparation method therefor, and optical film and optical waveguide produced by employing the compound  
A novel polyimide compound which has a low linear expansion coefficient and permits film formation by a spin coating method or the like, a preparation method for the polyimide compound, and an...
RE44288 Optical fiber and method for making such fiber  
According to one example of the invention an optical fiber comprises: (i) silica based, rare earth doped core having a first index of refraction n1; (ii) at least one silica based cladding...
8441722 Amplifier optical fiber comprising nanoparticles and production method  
An amplifier optical fiber comprising a central core of a dielectric matrix doped with at least one element ensuring the amplification of an optical signal transmitted in the fiber and a cladding...
8380020 Planar optical structure forming an evanescent field measuring platform that includes a layer molded by a master  
The planar optical structure forms an evanescent-field measuring platform. A body is made from the thermoplastic plastic with a three-dimensionally structured surface, wherein molding is performed...
8374468 Highly rare-earth doped fiber array  
An all-fiber Faraday rotator array comprising a plurality of Faraday rotating fibers, each having a doping concentration of 55%-85% (wt./wt.) of a rare-earth oxide, and a magnetic tube surrounding...
8364001 Polymer optical waveguide and method for production thereof  
A polymer optical waveguide includes: at least one core through which light propagates; a cladding which surrounds the core and has a refractive index less than that of the core; at least one...
8346029 Highly rare-earth doped fiber  
A multicomponent glass fiber having a doping concentration of 55%-85% (wt./wt.) of a rare-earth oxide is presented. The rare-earth oxide is selected from the group comprising: Pr2O3, Nd2O3, Pm2O3,...
8343619 Optical waveguide film  
An optical waveguide film is provided having a cross-sectional structure wherein claddings composed of a thermoplastic resin B and dispersions (cores) composed of a thermoplastic resin A extend in...
8346026 Photoelectric device using PN diode and silicon integrated circuit (IC) including the photoelectric device  
Provided are a photoelectric device using a PN diode and a silicon integrated circuit (IC) including the photoelectric device. The photoelectric device includes: a substrate; and an optical...
8340487 Rare earth-doped core optical fiber and manufacturing method thereof  
A rare earth-doped core optical fiber of the present invention includes a core comprising a silica glass containing at least aluminum and ytterbium, and a clad provided around the core and...
8270445 Light emitting devices with phosphosilicate glass  
A light-emitting device is provided which includes a gain medium having an optically-active phosphosilicate glass, wherein the phosphosilicate glass includes at least one active ion dopant and...
8259389 Amplifying optical fiber and method of manufacturing  
Disclosed is an amplifying optical fiber having a central core and an optical cladding surrounding the central core. The central core is based on a silica matrix that includes nanoparticles, which...
8218937 Optical film, image display device, diethynylfluorene, and polymer thereof  
An optical film of the present invention comprises a polyimide-based polymer represented by the following general formula (V). The optical film of the present invention exhibits an optical...
8067755 Production device and production method for an optical device component having a grating structure  
A production device and a production method for a grating-type optical component enabling formation of a variety types of FBGs using a single phase mask and an optical component made by the...
8053383 Light-amplifying glass  
To provide a light-amplifying glass capable of increasing absorption of Yb3+. A light-amplifying glass to be used for amplifying light having a wavelength of 1.0 to 1.2 μm, which comprises, as...
8055115 Optically active glass and optical fiber with reduced photodarkening and method for reducing photodarkening  
An optically active glass and an optical fiber comprising such glass, having reduced photodarkening properties are provided. The optically active glass is mainly composed of silica representing...
8050531 Dendrimer based terahertz generator  
A high efficiency electro-optic dendrimer based technology for nanophotonic integrated circuit devices is presented. In particular, a high power terahertz (THz) source is implemented using an...
8039410 Core glass in the alkali-zinc-silicate glass system for an fiber-optic light guide and fiber-optic light guide made with said core glass  
A core glass and a fiber-optic light guide made from it and a cladding glass are described. The core glass is in the alkali-zinc-silicate system and contains, in Mol % on an oxide basis: 54.5-65,...
8021636 Preparation of rare-earth halide blocks  
The invention relates to a method of preparing a polycrystalline block of a halide of formula AeLnfX(3f+e) in which Ln represents one or more rare earths, X represents one or more halogen atoms...
8014647 Optical guide including nanoparticles and manufacturing method for a preform intended to be shaped into such an optical guide  
The invention relates to an optical fiber comprising a gain medium which is equipped with: a core (22) which is formed from a transparent material and nanoparticles (24) comprising a doping...
8000577 Optical guide including nanoparticles and manufacturing method for a preform intended to be shaped into such an optical guide  
The invention relates to an optical fiber comprising a gain medium which is equipped with: a core (22) which is formed from a transparent material and nanoparticles (24) comprising a doping...
7995892 Low loss, high and low index contrast waveguides in semiconductors  
A system in one general embodiment includes a waveguide structure comprising a core of an alloy of Group III-V materials surrounded by an oxide (which may include one or more Group III-V metals),...
7995893 Magnetic material for magneto-optical isolator  
A magneto-optical structure is provided. The magneto-optical structure includes a substrate. A waveguide layer is formed on the substrate for guiding electromagnetic radiation received by the...