序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
21 | Optical parametric oscillator with monolithic dual PPLN elements with intrinsic mirrors | US055104 | 1998-04-03 | US6167067A | 2000-12-26 | Ronald Kenneth Meyer, Jr.; Michael L. Marable; Gerald P. Griffith |
The present invention relates generally to an apparatus that increases the conversion efficiency of optical parametric oscillators and also reduces overall system size and susceptibility to vibration. The first embodiment of the present invention incorporates a PPLN OPO architecture which includes mirrored coatings on the entry surface area and exit surface area of a monolithic nonlinear optical medium. The coatings act as mirrors, however, the mirrors are actually affixed to the PPLN element. In the first embodiment of the present invention, the PPLN element is a dual grated element. The second embodiment of the present invention uses a single grated PPLN element. | ||||||
22 | Device for velocity matching between electrical and optical signals in a wave guide structure | US546843 | 1995-10-23 | US5619607A | 1997-04-08 | Anders G. Djupsjobacka |
The present invention relates to a device for velocity matching between optical and electrical signals in a waveguide structure comprising first waveguiding means for optical signals and second waveguiding means for electrical signals. The cross-section of the waveguide structure varies dielectrically in the direction of the propagation. | ||||||
23 | LIQUID CRYSTAL GRATING AND FABRICATION METHOD THEREOF, AND DISPLAY DEVICE | US14908298 | 2015-07-16 | US20160342039A1 | 2016-11-24 | Yuqiong Chen |
A liquid crystal grating and a fabrication method thereof, and a display device are provided. The liquid crystal grating comprises a first substrate (1) and a second substrate (2) provided opposite to each other, and a liquid crystal layer (7); a plate-shaped transparent substrate (3) is provided on the first substrate (1), and a second transparent conductive layer (4), a transparent insulating layer (5) and a first transparent conductive layer (6) are sequentially provided on the second substrate (2); the first transparent conductive layer (6) includes first strip-shaped transparent electrodes (61) and second strip-shaped transparent electrodes (62) which are alternately provided, and there is a gap between the first strip-shaped transparent electrode (61) and the second strip-shaped transparent electrode (62) adjacent to each other; and the second transparent conductive layer (4) includes third strip-shaped transparent electrodes (41) provided at intervals. | ||||||
24 | Double layer interleaved p-n diode modulator | US13529360 | 2012-06-21 | US08889447B2 | 2014-11-18 | William M. Green; Jessie C. Rosenberg; Yurii A. Vlasov |
A method for fabricating an optical modulator includes forming n-type layer, a first oxide portion on a portion of the n-type layer, and a second oxide portion on a second portion of the n-type layer, patterning a first masking layer over the first oxide portion, portions of a planar surface of the n-type layer, and portions of the second oxide portion, implanting p-type dopants in the n-type layer to form a first p-type region and a second p-type region, removing the first masking layer, patterning a second masking layer over the first oxide portion, a portion of the first p-type region, and a portion of the n-type layer, and implanting p-type dopants in exposed portions of the n-type layer, exposed portions of the first p-type region, and regions of the n-type layer and the second p-type region disposed between the substrate and the second oxide portion. | ||||||
25 | Double layer interleaved p-n diode modulator | US13535888 | 2012-06-28 | US08526090B1 | 2013-09-03 | William M. Green; Jessie C. Rosenberg; Yurii A. Vlasov |
An optical modulator device includes a body portion operative to propagate an optical mode along a longitudinal axis of the body portion, the body portion comprising a first layer disposed on a second layer, wherein the first layer includes a first p-type doped region adjacent to a first n-type doped region along the longitudinal axis of the body portion, and the second layer includes a second n-type doped region disposed on the first p-type doped region and a second p-type doped region adjacent to the second n-type doped region along the longitudinal axis of the body portion, the second p-type doped region disposed on the first n-type doped region. | ||||||
26 | ARRAY SUBSTRATE OF TFT-LCD AND MANUFACTURING METHOD THEREOF | US13337665 | 2011-12-27 | US20120161142A1 | 2012-06-28 | Rongge SUN; Xin YE |
An array substrate of a TFT-LCD, comprising: a base substrate; gate lines and data lines formed on the substrate, the gate lines and the data lines crossing with each other to define a plurality of pixel units each of which comprises a thin film transistor, a first electrode layer and a second electrode layer, wherein the first electrode layer is separated from the second electrode layer through an insulation layer; the first electrode layer comprises a plurality of first electrodes separated by openings; the second electrode layer comprises a plurality of second electrodes separated by openings; the second electrodes comprise overlapping electrodes each of which completely overlaps with the first electrodes and non-overlapping electrodes whose edges are completely located within an region corresponding to the openings in the first electrode layer. | ||||||
27 | OPTICAL WAVEGUIDE DEVICE | US12536955 | 2009-08-06 | US20090290206A1 | 2009-11-26 | Masaki SUGIYAMA |
The present optical waveguide device, which improves the optical phase rotation efficiency with respect to activation voltage, includes: a substrate having electro-optic effects; a Mach-Zehnder optical waveguide formed on the substrate; and a signal electrode. The signal electrode is formed in an integrated manner such that an electric signal for applying the electric field travels from an upper part of either one of the two interference optical waveguides, which form the Mach-Zehnder optical waveguide, to an upper part of the other one of the two, and also, a periodical polarization characteristics region, in which regions opposite to each other in polarization are alternately arranged, being provided for a part of the other one of the interference optical waveguides on the substrate. | ||||||
28 | Four-wave-mixing based optical wavelength converter device | US10518855 | 2002-06-28 | US07324267B2 | 2008-01-29 | Andrea Melloni; Francesco Morichetti; Silvia Maria Pietralunga; Mario Martinelli |
A wavelength converter device is provided for generating a converted radiation at frequency ωg through interaction between at least one signal radiation at frequency ωs and at least one pump radiation at frequency ωp, including an input for the at least one signal radiation at frequency ωs, a pump light source for generating the at least one pump radiation at frequency ωp, an output for taking out the converted radiation at frequency ωg, a structure for transmitting the signal radiation, including two optical resonators having a non-linear material, having an optical length of at least 40*λ/2, λ being the wavelength of the pump radiation, and resonating at the pump, signal and converted frequencies ωp, ωs and ωg, wherein by propagating through the structure, the pump and signal radiation generate the converted radiation by non-linear interaction within the optical resonators. | ||||||
29 | Electrooptical devices, electrooptical thin crystal films and methods making same | US11372961 | 2006-05-15 | US20060203328A1 | 2006-09-14 | Pavel Lazarev; Michael Paukshto; Vladimir Sulimov |
A method of fabrication of an electrooptical device comprises depositing a colloid system of anisometric particles onto at least one electrode and/or onto at least one substrate and/or onto at least one layer of an isotropic or anisotropic material to form at least one layer of an electrooptical material, externally aligning the colloid system to form a preferred alignment of the colloid system particles, drying the colloid system, and forming at least one electrode and/or at least one layer of an isotropic or anisotropic material on at least a portion of the layer of the electrooptical material. | ||||||
30 | Electrooptical devices, electrooptical thin crystal films and methods making same | US10295376 | 2002-11-15 | US07042612B2 | 2006-05-09 | Pavel I. Lazarev; Michael V. Paukshto; Vladimir Sulimov |
An electrooptical device is provided comprising at least one substrate, at least one pair of electrodes and at least one layer of an electrooptical material. The electrooptical material represents an optically anisotropic thin crystal film and contains molecules having aromatic rings and possessing a lattice with an interplanar spacing (Bragg's reflection) of 3.4±0.2 Å along one of optical axes. The electrooptical material has anisotropic refractive indices and/or anisotropic absorption coefficients that are depended on an electric field strength. | ||||||
31 | Electrochromic device and corresponding uses | US10337980 | 2003-01-06 | US06768574B2 | 2004-07-27 | Enric Bertran Serra; Carles Person Millaruelo; Isidre Porqueras Orea; Gregorio Viera Marmol |
The invention discloses an electrochromic device of the type comprising at least one substrate and a structure of at least partly superimposed layers, where the structure comprises at least one layer of electrochromic material and a layer of electronic insulating transparent ion-conducting solid electrolytic material, and where at least one of these layers is nanostructured, i.e. has a nanostructure. Possible uses of these electrochromic devices are for controlling the energy of the electromagnetic waves reflected by the device or transmitted through the device, for example, a rear-view mirror or a motor vehicle window glass. | ||||||
32 | Transmitter and communication system | JP2010288393 | 2010-12-24 | JP2012137542A | 2012-07-19 | SHIBATA KENJI; IMAOKA ISAO; KAMIYAMA SATOSHI |
PROBLEM TO BE SOLVED: To provide a transmitter and a communication system capable of enhancing a transfer rate of data.SOLUTION: An LED element 10, as a transmitter, comprises a light emitting section 130 and a plurality of modulating sections 120. The modulating sections 120 each include a modulation electrode layer 106 and a moth-eye structure layer 105, each connected to a signal input power source 121. Voltage is applied to the modulation electrode layer 106 and an n-side electrode 103 to generate a changing electric field in a material of the moth-eye structure layer 105. The electric field changes a refractive index of the moth-eye structure layer 105 to modulate light from the light emitting section 130. The plurality of modulating sections 120 modulate light emitted from the same light emitting section 130 according to respective different signals. | ||||||
33 | 液晶表示装置 | JP2006531280 | 2005-05-20 | JPWO2006013667A1 | 2008-05-01 | 高幸 伊藤; 浩康 河内; 範仁 竹内; 原田 昌幸; 昌幸 原田; 裕之 三浦; 明幸 石川; 稔 戸枝; 吉田 幹雄; 幹雄 吉田; 範之 別芝; 秀児 小池 |
液晶表示装置は液晶パネルと照明装置とを備えている。照明装置は面状の発光領域がEL素子で構成されている。発光領域は、液晶の垂直走査方向と直交する方向に延びる複数の線状発光領域で構成されている。複数の線状発光領域は、液晶の垂直走査に同期して順に発光するように、発光状態と非発光状態とに制御装置からの指令信号により切り替えられる。線状発光領域は、少なくとも当該線状発光領域の直上にある液晶の部分の駆動データ書き替え期間においては非発光状態となるように制御される。 | ||||||
34 | 光学素子ならびに分極反転領域の形成方法 | JP2006511189 | 2005-03-15 | JPWO2005091066A1 | 2007-08-09 | 森川 顕洋; 顕洋 森川; 杉田 知也; 知也 杉田; 水内 公典; 公典 水内 |
強誘電体結晶において、均一かつ広範囲な微細分極反転構造を有する安定な光学素子を提供する。MgO:LiNbO3基板(100)に形成された複数の分極反転領部(101)と、分極反転部101の間の基板表面に形成された溝(102)とを備え、分極反転部(101)のほぼ全体の深さT’が基板厚みTに対し、T’ | ||||||
35 | Electro-optical device, electro-optical crystal thin film and a manufacturing method thereof | JP2003546164 | 2002-11-19 | JP2005509919A | 2005-04-14 | ヴラディミール スリモフ; マイケル ヴィ ポークシュト; パヴェル アイ ラザレフ |
【課題】 少なくとも1つの基板(1)と、少なくとも一対の電極(2)と、少なくとも一層の電気光学材料とからなる電気光学装置を提供する。
【解決手段】 電気光学材料は、光学的異方性結晶薄膜(3)を表し、芳香環を有し、かつ光軸の1つに沿って3.4±0.2Åの格子面間隔(ブラッグ反射)を有する格子をもつ分子を含む。 電気光学材料(3)は、電界強度に依存する異方性屈折率及び/又は異方性吸収係数を有する。 |
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36 | Modulator, transmitter, and communication system | JP2010288391 | 2010-12-24 | JP2012137541A | 2012-07-19 | SHIBATA KENJI; IMAOKA ISAO; KAMIYAMA SATOSHI |
PROBLEM TO BE SOLVED: To provide a modulator, a transmitter, and a communication system capable of enhancing overall transfer rate of data.SOLUTION: An AWG 13 separates white light L emitted from a white LED 11 into a plurality of spectral light beams La-Ld having respective different wavelengths. A modulator 12 comprises a plurality of modulation means 14a-14d. The modulation means 14a applies voltage to a first electrode layer 141 and a second electrode layer 143 to generate a changing electric field in a material of a moth-eye structure layer 142. The electric field changes a refractive index of the moth-eye structure layer 142 to modulate the spectral light beam La. The modulation means 14b-14d also modulate the spectral light beams Lb-Ld in a similar manner. The modulation means 14a-14d modulate the spectral light beams La-Ld according to respective different signals. | ||||||
37 | Liquid crystal display device | JP2006531280 | 2005-05-20 | JP4130969B2 | 2008-08-13 | 裕之 三浦; 高幸 伊藤; 範之 別芝; 昌幸 原田; 幹雄 吉田; 秀児 小池; 稔 戸枝; 浩康 河内; 明幸 石川; 範仁 竹内 |
38 | Electro-optical device, electro-optical crystal thin film and a manufacturing method thereof | JP2003546164 | 2002-11-19 | JP3966517B2 | 2007-08-29 | ヴラディミール スリモフ; マイケル ヴィ ポークシュト; パヴェル アイ ラザレフ |
39 | Manufacture of optical waveguide | JP2000570620 | 1999-09-14 | JP2002525648A | 2002-08-13 | ガウイズ,コリン・バーリイ・エドモンド; シエプフエルド,デイビツト・ピー; スミス,ピーター・ジヨージ・ロビン; ハンナ,デイビツド・コリン; ロス,グレーム・ウイリアム |
(57)【要約】 直接界面結合によって光学的性質の規則格子構造層20に結合された光学材料の少なくともガイド層10を含む光導波路であって、このガイド層の領域は、ガイド層に沿って光ガイドパスを規定するように変更された光学的性質を有する。 特定の例では、周期的に分極されたLiNbO3平面導波路は、直接界面結合技術および高精度研磨技術によってLiTaO3に埋め込まれ、光周波数倍加システムで使用される。 | ||||||
40 | Speed matching device for optical signal and electric signal | JP23599393 | 1993-08-17 | JPH06242477A | 1994-09-02 | ANDERUSU GUSUTAFU DOYUPUSUYOOB |
PURPOSE: To provide a device for matching the speed of optical and electric signals to reduce a walk-off and increase the band width. CONSTITUTION: In a waveguide structure 10 provided with first waveguide means 7 for the optical signals and second waveguide means 5 and 6 for the electric signals, this device for speed matching between the optical and electric signals is provided. The cross sections A and B of the waveguide structure 10 are dielectrically changed in a propagation direction. COPYRIGHT: (C)1994,JPO |