专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11892745B2 Wavelength conversion element and method for manufacturing same 有权
公开(公告)号：US11892745B2
公开(公告)日：2024-02-06
申请号：US17294320
申请日：2019-11-13
申请人： Nippon Telegraph and Telephone Corporation
发明人： Takushi Kazama , Takahiro Kashiwazaki , Osamu Tadanaga , Koji Embutsu , Ryoichi Kasahara , Takeshi Umeki
IPC分类号： G02F1/377 , G02F1/355 , G02B6/12 , G02B6/13 , G02B6/124 , G02B6/136 , G02F1/39
CPC分类号： G02F1/3775 , G02B6/12 , G02B6/13 , G02F1/3551 , G02F1/377 , G02B6/124 , G02B6/136 , G02F1/39 , G02F2202/20
摘要： With a wavelength conversion device based on a nonlinear optical effect, when arrayed waveguides including an intended nonlinear waveguide are fabricated, unwanted slab waveguides are inevitably formed. The slab waveguides can cause an erroneous measurement in the selection of a waveguide having desired characteristics from the arrayed waveguides. The erroneous measurement can lead to redoing steps for fabricating the wavelength conversion device and a decrease in the yield and inhibit the evaluation of the characteristics in selection of the waveguide and the subsequent fabrication of the wavelength conversion device from being efficiently performed. A wavelength conversion device according to the present invention includes a plurality of waveguides formed on a substrate, and a plurality of slab waveguides that are arranged substantially in parallel with and spaced apart from the plurality of waveguides, and each of the slab waveguides has a grating structure that reflects light of a particular wavelength.

2. 发明公开

US20230161223A1 Wavelength Conversion Device 审中-公开
公开(公告)号：US20230161223A1
公开(公告)日：2023-05-25
申请号：US17917730
申请日：2020-04-20
申请人： Nippon Telegraph and Telephone Corporation
发明人： Osamu Tadanaga , Takeshi Umeki , Koji Embutsu , Nobutatsu Koshobu , Takahiro Kashiwazaki , Asuka Inoue , Takushi Kazama , Ryoichi Kasahara
IPC分类号： G02F2/00 , G02F1/377 , G02F1/355 , G02F1/35
CPC分类号： G02F2/006 , G02F1/377 , G02F1/3551 , G02F1/3548
摘要： A wavelength conversion device includes a second-order nonlinear optical medium with a polarization inversion structure, wherein the wavelength conversion device performs wavelength conversion between three wavelengths according to a relationship of 1/λ1=1/λ2+1/λ3, a polarization inversion period Λ of the polarization inversion structure is divided into 2a regions, and when the 2a regions divided from the polarization inversion period Λ each has a width ratio of an inverted region and a non-inverted region of r to 1−r (where 0≤r≤1), a ratio value r is set such that, when one period in phase of a sine function from 0 to 2π is divided into 2a regions, a value of the sine function in a center of each divided region is (1−2r)±0.1.

3. 发明授权

US09923332B2 Array type wavelength converting laser device 有权
公开(公告)号：US09923332B2
公开(公告)日：2018-03-20
申请号：US15526631
申请日：2016-01-08
申请人： Mitsubishi Electric Corporation
发明人： Fumio Shohda , Takayuki Yanagisawa , Kenichi Hirosawa , Fumihiko Kannari
IPC分类号： H01S3/13 , H01S3/063 , H01S3/094 , H01S3/08 , H01S3/0941 , H01S3/04 , H01S3/109 , H01S3/23
CPC分类号： H01S3/1307 , G02F1/37 , G02F1/377 , H01S3/0405 , H01S3/042 , H01S3/0632 , H01S3/08072 , H01S3/08077 , H01S3/094049 , H01S3/0941 , H01S3/10053 , H01S3/109 , H01S3/23 , H01S3/2383 , H01S3/2391 , H01S5/4062
摘要： A device includes: at least one laser element with light emitting points to output fundamental waves in a one-dimensional array; a wavelength converting element to carry out wavelength conversion of the incident fundamental waves, and to output wavelength converted light rays; and an output mirror to reflect the fundamental waves, and to transmit the wavelength converted light rays resulting from the wavelength conversion by the wavelength converting element. The wavelength converting element is disposed between the laser element and the output mirror, and the distance between the position of a waist of the fundamental waves output from the laser element and the output mirror is set in accordance with a Talbot condition under which the adjacent light emitting points cause phase synchronization with each other.

4. 发明授权

US09778543B1 Parametric mixer having tunable gain bands and method for tuning the same 有权
公开(公告)号：US09778543B1
公开(公告)日：2017-10-03
申请号：US14564824
申请日：2014-12-09
申请人： The United States of America as represented by the Secretary of the Navy
发明人： Sanja Zlatanovic , Joanna Ptasinski
IPC分类号： G02F1/39 , H01S3/00 , G02F1/13 , G02F1/377
CPC分类号： G02F1/395 , G02F1/132 , G02F1/1326 , G02F1/2257 , G02F1/377 , G02F2001/392 , G02F2203/15 , G02F2203/58 , H01S3/0092
摘要： A tunable parametric mixer comprising a pump laser, a nonlinear waveguide, and a refractive index tuner. The pump laser is configured to generate pump photons. The nonlinear waveguide comprises a cladding and a core. The core is made of nonlinear optical material and the cladding in made of a material with a tunable index of refraction. The nonlinear waveguide is configured to convert the pump photons into signal and idler photons. The refractive index tuner is configured to change the refractive index of the cladding to dynamically tune the dispersion properties of the nonlinear waveguide in order to alter a spectral location of a gain band of the parametric mixer.

5. 发明申请

US20170146887A1 APPARATUS AND METHODS FOR GENERATING NONLINEAR EFFECTS IN CENTROSYMMETRIC MATERIALS 审中-公开
公开(公告)号：US20170146887A1
公开(公告)日：2017-05-25
申请号：US15359149
申请日：2016-11-22
申请人： Erman Timurdogan , Michael R. Watts
发明人： Erman Timurdogan , Michael R. Watts
IPC分类号： G02F1/365 , G02F1/35 , G02F1/377 , G02B6/122 , G02F1/355
CPC分类号： G02F1/365 , G02B6/122 , G02B2006/12061 , G02F1/3534 , G02F1/3544 , G02F1/3556 , G02F1/377 , G02F2001/3548
摘要： A waveguide includes an array of p-i-n junctions formed by ions implanted into the waveguide. The p-i-n junctions concentrate electric fields applied on the waveguide to convert the third order susceptibility χ(3) into the second order susceptibility χ(2) and induce the DC Kerr effect. The periodic electrical fields concentrated by the p-i-n junctions effectively create a wave vector, which together with the wave vectors of optical beams in the waveguide satisfies phase matching conditions for nonlinear optical effects. The phase matching can significantly enhance the efficiency of the nonlinear optical effects, such as second harmonic generation, sum frequency generation, difference frequency generation, and four-wave mixing. Waveguides with arrays of PIN junctions can also be used in phase modulators, amplitude modulators, and filters.

6. 发明授权

US09470957B2 Optical device 有权
标题翻译：光学装置
公开(公告)号：US09470957B2
公开(公告)日：2016-10-18
申请号：US14119853
申请日：2012-05-22
申请人： Masafumi Ide , Takaaki Nozaki , Kaoru Yoda , Yosuke Abe
发明人： Masafumi Ide , Takaaki Nozaki , Kaoru Yoda , Yosuke Abe
IPC分类号： G02B6/12 , G02F1/377 , G02F1/35
CPC分类号： G02F1/377 , G02B6/12 , G02F2001/3505 , G02F2203/21
摘要： The invention is directed to the provision of an optical device in which provisions are made to form a gap between an optical waveguide and a substrate without having to form a groove or the like in the substrate and to prevent any stress from being applied to an optical element even when it is heated by a heater for temperature adjustment. More specifically, the invention provides an optical device includes a substrate, an optical element with an optical waveguide formed in a surface thereof that faces the substrate, bonding portions formed on the substrate at positions that oppose each other across the optical waveguide, a heater, formed on at least one of the optical element and the substrate, for heating the optical waveguide, and a micro bump structure formed from a metallic material, wherein the optical element is bonded to the bonding portions via the micro bump structure in such a manner that a gap is formed between the optical waveguide and the substrate.
摘要翻译：本发明涉及提供一种光学装置，其中进行设置以在光波导和基板之间形成间隙，而不必在基板中形成凹槽等，并且防止任何应力施加到光学即使通过加热器加热来进行温度调节。更具体地说，本发明提供了一种光学器件，包括：基板，在其表面上形成有面向基板的光波导的光学元件，在基板上形成的在光波导上相对的位置的接合部，加热器，形成在所述光学元件和所述基板中的至少一个上，用于加热所述光波导，以及由金属材料形成的微凸起结构，其中所述光学元件经由所述微凸块结构接合到所述接合部，在光波导和基板之间形成间隙。

7. 发明申请

US20150355085A1 TERAHERTZ-WAVE GENERATING ELEMENT, TERAHERTZ-WAVE DETECTING ELEMENT, AND TERAHERTZ TIME-DOMAIN SPECTROSCOPY DEVICE 审中-公开
标题翻译： TERAHERTZ波形发生元件，TERAHERTZ波检测元件和TERAHERTZ时域光谱仪
公开(公告)号：US20150355085A1
公开(公告)日：2015-12-10
申请号：US14830511
申请日：2015-08-19
申请人： CANON KABUSHIKI KAISHA
发明人： Toshihiko Ouchi
IPC分类号： G01N21/3586 , G01J3/02 , G01J3/42
CPC分类号： G02F1/3544 , G01J3/0216 , G01J3/42 , G01N21/3586 , G01N21/4795 , G01N2201/06113 , G02F1/0356 , G02F1/377 , G02F1/395 , G02F2001/3546 , G02F2001/374 , G02F2203/13
摘要： A terahertz-wave generating element includes a waveguide including an electro-optic crystal; an optical coupling member that extracts a terahertz wave, which is generated from the electro-optic crystal as a result of light propagating through the waveguide, to a space; and at least two electrodes that cause a first-order electro-optic effect in the electro-optic crystal by applying an electric field to the waveguide so as to change a propagation state of the light propagating through the waveguide. A crystal axis of the electro-optic crystal of the waveguide is set such that the terahertz wave generated by a second-order nonlinear optical process and the light propagating through the waveguide are phase-matched.
摘要翻译：太赫兹波发生元件包括：包括电光晶体的波导; 光耦合构件，其将由光电晶体产生的太赫兹波作为由波导传播的光的结果提取到空间; 以及至少两个电极，通过向波导施加电场来引起电光晶体中的一阶电光效应，以便改变通过波导传播的光的传播状态。设置波导的电光晶体的晶轴，使得由二阶非线性光学处理产生的太赫兹波和通过波导传播的光相位匹配。

8. 发明授权

US09136669B2 Laser light source 有权
标题翻译：激光光源
公开(公告)号：US09136669B2
公开(公告)日：2015-09-15
申请号：US13588546
申请日：2012-08-17
申请人： Masafumi Ide
发明人： Masafumi Ide
IPC分类号： H01S5/00 , H01S5/022 , G02F1/35 , G02F1/377 , H01S5/22
CPC分类号： H01S5/02252 , G02F1/3544 , G02F1/377 , H01S5/0092 , H01S5/02256 , H01S5/02284 , H01S5/22
摘要： An object of the present invention is to provide a laser light source that includes a laser element and an optical element that are optically coupled efficiently and directly. A laser light source includes, a laser element which has a ridge part and emits laser light from a light emission part, an optical element which has a waveguide for guiding the laser light that is incident on an incidence part; and a substrate for joining the laser element and the optical element close so as to be optically coupled directly, and, in this laser light source, the laser element and the optical element are joined to the substrate in a state in which a position of the incidence part is shifted a predetermined distance upward or downward with respect to a position of the light emission part.
摘要翻译：本发明的目的是提供一种包括激光元件和光学元件的激光光源，所述激光元件和光学元件被有效且直接地光耦合。激光光源包括具有脊部并且发射来自发光部的激光的激光元件，具有用于引导入射到入射部的激光的波导的光学元件，以及用于将激光元件和光学元件接合以直接光学耦合的基板，并且在该激光光源中，激光元件和光学元件在基板的位置接合的状态下接合到基板入射部分相对于发光部分的位置向上或向下偏移预定距离。

9. 发明申请

US20150188281A1 LASER DEVICE 审中-公开
标题翻译：激光装置
公开(公告)号：US20150188281A1
公开(公告)日：2015-07-02
申请号：US14412360
申请日：2012-11-26
申请人： Mitsubishi Electric Corporation
发明人： Kyosuke Kuramoto , Takayuki Yanagisawa , Fumio Shoda
IPC分类号： H01S3/08 , G02F1/35 , G02F1/377
CPC分类号： H01S3/08086 , G02F1/3534 , G02F1/37 , G02F1/377 , H01S3/0621 , H01S3/0632 , H01S3/08054 , H01S3/0809 , H01S3/09415 , H01S3/10061 , H01S3/109 , H01S3/1653
摘要： Because a laser device is constructed in such a way that the laser device includes a solid-state laser element 3 that has gains for plural different wavelengths in plural different axial directions, and an optical element that has a characteristic of making an optical loss increase with increase in light intensity for each of light beams with the wavelengths, and the solid-state laser element 3 and the optical element are constructed in such a way as to be included in a resonator for fundamental waves which are generated by the solid-state laser element 3, and the laser device oscillates at two or more wavelengths, outputted light beams with the plural different wavelengths can be acquired by using the single solid-state laser element 3. As a result, a small, cheap, and easy to produce laser device can be acquired.
摘要翻译：因为激光装置是这样构成的，即激光装置包括固体激光元件3，该固体激光元件3在多个不同的轴向上具有多个不同波长的增益，以及具有使光学损耗增加的特性的光学元件随着增加具有波长的每个光束的光强度，并且固态激光元件3和光学元件被构造成包括在由固态激光器产生的基波的谐振器中元件3，并且激光器件以两个或更多个波长振荡，可以通过使用单个固态激光器元件3获得具有多个不同波长的输出光束。结果是，小而便宜且容易产生激光设备可以被采集。

10. 发明申请

US20140161387A1 OPTICAL DEVICE 有权
标题翻译：光学装置
公开(公告)号：US20140161387A1
公开(公告)日：2014-06-12
申请号：US14119853
申请日：2012-05-22
申请人： Masafumi Ide , Takaaki Nozaki , Kaoru Yoda , Yosuke Abe
发明人： Masafumi Ide , Takaaki Nozaki , Kaoru Yoda , Yosuke Abe
IPC分类号： G02F1/377 , G02B6/12
CPC分类号： G02F1/377 , G02B6/12 , G02F2001/3505 , G02F2203/21
摘要： The invention is directed to the provision of an optical device in which provisions are made to form a gap between an optical waveguide and a substrate without having to form a groove or the like in the substrate and to prevent any stress from being applied to an optical element even when it is heated by a heater for temperature adjustment. More specifically, the invention provides an optical device includes a substrate, an optical element with an optical waveguide formed in a surface thereof that faces the substrate, bonding portions formed on the substrate at positions that oppose each other across the optical waveguide, a heater, formed on at least one of the optical element and the substrate, for heating the optical waveguide, and a micro bump structure formed from a metallic material, wherein the optical element is bonded to the bonding portions via the micro bump structure in such a manner that a gap is formed between the optical waveguide and the substrate.
摘要翻译：本发明涉及提供一种光学装置，其中在不需要在基板中形成凹槽等而在光波导和基板之间形成间隙，并且防止任何应力施加到光学器件上即使通过加热器加热来进行温度调节。更具体地说，本发明提供了一种光学器件，包括：基板，在其表面上形成有面向基板的光波导的光学元件，在基板上形成的在光波导上彼此相对的位置的接合部，加热器，形成在所述光学元件和所述基板中的至少一个上，用于加热所述光波导，以及由金属材料形成的微凸块结构，其中所述光学元件经由所述微凸块结构结合到所述接合部，在光波导和基板之间形成间隙。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式