Patent application number | Description | Published |
20080252890 | Target Substance Sensor and Method Thereof Using a Photonic Crystal - A highly sensitive and compactible target substance sensor for detection of the target substance using a photonic crystal and a method thereof are provided. | 10-16-2008 |
20090016395 | TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE-EMITTING LASER - Two-dimensional photonic crystal surface-emitting laser comprising a two-dimensional photonic crystal, having media different in refractive index arrayed in a two-dimensional cycle, disposed in the vicinity of an active layer that emits light by the injection of carriers, wherein the two-dimensional photonic crystal consists of square lattices having equal lattice constants in perpendicular directions, and a basic lattice consisting of a square with one medium as a vertex has an asymmetric refractive index distribution with respect to either one of the two diagonals of the basic lattice to thereby emit light in a constant polarizing direction. | 01-15-2009 |
20090034566 | Photonic crystal laser - One objective of the present invention is to provide a laser device which is capable of scanning beams of a laser light of high output power at a high speed without using mechanical scanning mechanisms. A plurality of the upper electrodes | 02-05-2009 |
20090232441 | Polarized Light Mode Converter - The present invention provides a polarized light mode converter which can be provided within a two-dimensional photonic crystal or can be smoothly connected to a two-dimensional photonic crystal. In a two-dimensional photonic crystal made of a slab-like main body provided with a plurality of different refractive index regions (for example, holes | 09-17-2009 |
20110151673 | PLASMA ETCHING METHOD, PLASMA ETCHING DEVICE, AND METHOD FOR PRODUCING PHOTONIC CRYSTAL - A plasma etching method capable of oblique etching with a high aspect ratio and high uniformity is provided. In the plasma etching method, a base body is etched with a high aspect ratio by the following process: An electric-field control device having an ion-introducing orifice penetrating therethrough in a direction inclined from the normal to the surface of a base body is placed on or above the surface of this base body. Plasma is generated on the surface of the base body on or above which the electric-field control is placed. A potential difference is formed between the plasma and the base body so as to attract ions in the plasma toward the base body. | 06-23-2011 |
20110188526 | TWO-DIMENSIONAL PHOTONIC CRYSTAL LASER - A two-dimensional photonic crystal laser light is provided. The two-dimensional photonic crystal laser includes a two-dimensional photonic crystal made of a plate-shaped member provided with a periodic arrangement of identically-shaped modified refractive index areas having a refractive index different from that of the plate-shaped member; and an active layer provided on one side of the two-dimensional photonic crystal. The modified refractive index areas are arranged at lattice points of a lattice with a same period at least in two directions; each modified refractive index area is shaped so that a feedback strength is different with respect to directions of two primitive lattice vectors of the lattice; the two-dimensional photonic crystal has a periodic structure of a supercell, which contains a plurality of lattice points; and the sum of the feedback strengths by all modified refractive index areas in the supercell is identical in each direction of the two primitive lattice vectors. | 08-04-2011 |
20120027038 | TWO-DIMENSIONAL PHOTONIC CRYSTAL LASER - A two-dimensional photonic crystal laser according to the present invention includes a two-dimensional photonic crystal layer | 02-02-2012 |
20120279553 | SOLAR CELL, SOLAR CELL PANEL, AND DEVICE COMPRISING SOLAR CELL - A solar cell ( | 11-08-2012 |
20130003768 | PHOTONIC CRYSTAL LASER - A photonic crystal laser capable of producing a radially-polarized halo-shaped laser beam having a smaller width than conventional beams includes: an active layer; a ring-shaped photonic crystal including a plate-shaped base body on one side of the active layer, the base body having a number of modified refractive index areas of the same shape, the modified refractive index areas having a refractive index different from the base body and periodically arranged in the circumferential direction of a ring, and each of the modified refractive index areas being asymmetrically shaped with respect to an axis extending through the center of the modified refractive index area in the radial direction of the ring; a first and second electrode facing each other across the active layer and the ring-shaped photonic crystal; and a window provided in the second electrode capable of allowing passage of a laser light generated from the ring-shaped photonic crystal. | 01-03-2013 |
20130039375 | PHOTONIC CRYSTAL SURFACE EMISSION LASER - A photonic crystal surface emission laser includes an active layer, and a photonic crystal layer made of a plate-shaped slab provided with modified refractive index area having a refractive index different from that of the slab, the modified refractive index areas being arranged on each of the lattice points of a first rhombic-like lattice and a second rhombic-like lattice in which both diagonals are mutually parallel and only one diagonal is of a different length, wherein a | 02-14-2013 |
20130105927 | PHOTOELECTRIC CONVERSION ELEMENT | 05-02-2013 |
20130121358 | SEMICONDUCTOR SURFACE LIGHT-EMITTING ELEMENT AND METHOD OF MANUFACTURING THEREOF - A semiconductor surface light-emitting element of this invention is provided with a photonic crystal layer | 05-16-2013 |
20130243026 | TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE EMITTING LASER - Provided is a two-dimensional photonic crystal surface emitting laser having an active layer for generating light of a predetermined wavelength range by an injection of electric current and a two-dimensional photonic crystal layer provided on one side of the active layer, the layer having a plate-shaped base member in which modified refractive index areas whose refractive index differs from that of the base member are arranged. | 09-19-2013 |
20140036947 | EDGE-EMITTING SEMICONDUCTOR LASER ELEMENT - The present edge-emitting semiconductor layer element includes two-dimensional photonic crystals | 02-06-2014 |
20140247852 | END-FACE-EMITTING PHOTONIC CRYSTAL LASER ELEMENT - When an end-face-emitting photonic crystal laser element | 09-04-2014 |
20140348193 | SEMICONDUCTOR LASER ELEMENT AND LASER BEAM DEFLECTING DEVICE - According to a finite difference between inverse numbers of arrangement periods (a1 and a2) in first and second periodic structures, when seen in a thickness direction of a semiconductor laser element, at least two laser beams that form a predetermined angle (δθ) with respect to a lengthwise direction of a first driving electrode (E | 11-27-2014 |
20140355630 | RAMAN SCATTERING PHOTOENHANCEMENT DEVICE, METHOD FOR MANUFACTURING RAMAN SCATTERING PHOTOENHANCEMENT DEVICE, AND RAMAN LASER LIGHT SOURCE USING RAMAN SCATTERING PHOTOENHANCEMENT DEVICE - A Raman scattered light enhancement device including a waveguide provided in a photonic crystal ( | 12-04-2014 |
20150034901 | SEMICONDUCTOR LIGHT EMITTING ELEMENT - A semiconductor light emitting element includes an electrode | 02-05-2015 |