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1. 发明申请

US20090060434A1 WAVEGUIDE DEVICE 有权
标题翻译：波导装置
公开(公告)号：US20090060434A1
公开(公告)日：2009-03-05
申请号：US12054620
申请日：2008-03-25
申请人： Takashi KIKUCHI , Roshan Thapliya , Shigetoshi Nakamura
发明人： Takashi KIKUCHI , Roshan Thapliya , Shigetoshi Nakamura
IPC分类号： G02B6/02
CPC分类号： G02F1/065 , G02F2201/12
摘要： A waveguide device includes a substrate and a first electrode, a first cladding layer, a waveguide, a second cladding layer, and a second electrode sequentially provided on the substrate. At least one of the first cladding layer, the waveguide, and second cladding layer includes a ligand compound which is capable of coordinating to a metal or metal ion.
摘要翻译：波导装置包括基板和顺序地设置在基板上的第一电极，第一包层，波导，第二包层和第二电极。第一包覆层，波导管和第二覆层中的至少一个包括能够配合金属或金属离子的配体化合物。

2. 发明授权

US07450788B1 Optical splitter/coupler and optical communication system 有权
公开(公告)号：US07450788B1
公开(公告)日：2008-11-11
申请号：US11809657
申请日：2007-06-01
申请人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
发明人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
IPC分类号： G02F1/295
CPC分类号： G02B6/2813 , G02F1/3136 , G02F2001/217 , G02F2201/06
摘要： An optical splitter/coupler has: a multimode waveguide having an electrooptic effect, and propagating light in a multimode; one incident waveguide propagating light in a single mode, and inputting the light to the multimode waveguide; one pair of emitting waveguides guiding-out, in a single mode, lights which have propagated-in through the multimode waveguide; at least one pair of individual electrodes provided so as to be positioned in vicinities of respective side edges on one surface of the multimode waveguide; and a ground electrode provided on another surface, wherein the multimode waveguide has a length such that 3(n+1) bright spots arise at a central portion and at both side edge portions due to incident light, the individual electrodes are provided at positions corresponding to an upstream-most one pair of the bright spots, and the emitting waveguides are connected to positions corresponding to a downstream-most one pair of the bright spots.

3. 发明授权

US08200052B2 Optical device and multiple beam scanner 有权
标题翻译：光学设备和多光束扫描仪
公开(公告)号：US08200052B2
公开(公告)日：2012-06-12
申请号：US12617173
申请日：2009-11-12
申请人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi , Kazuhiro Hayashi
发明人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi , Kazuhiro Hayashi
IPC分类号： G02B6/12
CPC分类号： G02B6/1228 , G02B6/125 , G02B6/14 , G02F1/225
摘要： There is provided an optical device including: a passive core layer in which is formed an optical circuit having a refractive index n2; an active core layer covering at least a portion of the optical circuit, exhibiting an electro-optical effect, and having a refractive index of n1 higher than n2; a lower clad layer over which the passive core layer is formed and having a refractive index n3 lower than n2; an upper clad layer covering the active and passive core layers and having a refractive index n5 lower than n1; a lower electrode disposed below the lower clad layer; and an upper electrode disposed on the upper clad layer, in which the entrance and exit portions of the active core layer are tapered, respectively.
摘要翻译：提供了一种光学装置，包括：被动芯层，其中形成有具有折射率n2的光电路; 覆盖光路的至少一部分的活性芯层，具有电光效应，折射率n1高于n2; 被覆芯层形成并具有低于n2的折射率n3的下包层; 覆盖有源和无源芯层并具有低于n1的折射率n5的上覆层; 设置在所述下包层下方的下电极; 以及设置在所述上包层上的上电极，其中所述有源芯层的入口部分和出口部分分别是锥形的。

4. 发明授权

US07639913B2 Optical waveguide element 失效
标题翻译：光波导元件
公开(公告)号：US07639913B2
公开(公告)日：2009-12-29
申请号：US12190685
申请日：2008-08-13
申请人： Shigetoshi Nakamura , Takashi Kikuchi , Roshan Thapliya
发明人： Shigetoshi Nakamura , Takashi Kikuchi , Roshan Thapliya
IPC分类号： G02B6/26
CPC分类号： G02F1/065 , G02F2201/12 , G02F2201/50
摘要： An optical waveguide element includes: an optical waveguide including an organic non-linear optical material; a first electrode arranged on one surface side of the optical waveguide; a second electrode arranged on another surface side of the optical waveguide; a protective member disposed on the second electrode, the protective member including (i) a third electrode which is provided on a first surface of the protective member, the first surface facing the second electrode, the third electrode being electrically connected to the second electrode, (ii) a fourth electrode which is provided on a second surface of the protective member, the second surface opposing the first surface, and (iii) a conductive portion which penetrates through the protective member from the first surface to the second surface, and electrically connects the third electrode and the fourth electrode.
摘要翻译：光波导元件包括：包括有机非线性光学材料的光波导; 布置在所述光波导的一个表面侧的第一电极; 布置在所述光波导的另一表面侧的第二电极; 设置在所述第二电极上的保护构件，所述保护构件包括（i）设置在所述保护构件的第一表面上的第三电极，所述第一表面面向所述第二电极，所述第三电极电连接到所述第二电极，（ii）设置在所述保护构件的第二表面上的第四电极，与所述第一表面相对的所述第二表面，以及（iii）从所述第一表面穿过所述保护构件到所述第二表面的导电部分，连接第三电极和第四电极。

5. 发明申请

US20090046977A1 WAVEGUIDE DEVICE AND OPTICAL NETWORK SYSTEM 审中-公开
标题翻译：波导设备和光网络系统
公开(公告)号：US20090046977A1
公开(公告)日：2009-02-19
申请号：US12099356
申请日：2008-04-08
申请人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
发明人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
IPC分类号： G02B6/28
CPC分类号： G02B6/12004 , G02B6/125 , G02B2006/12145 , G02F1/3136
摘要： A waveguide device comprises a first multimode waveguide; a second multimode waveguide; a pair of intermediate single mode waveguides; an input-side single mode waveguides connected to the first multimode waveguide; a pair of output-side single mode waveguides connected to the second multimode waveguide; a pair of switching electrodes disposed to be superposed on the pair of intermediate single mode waveguides; and a ground electrode. The intermediate single mode waveguides are configured by a material whose refractive index is changed by voltages applied to the switching electrodes, the first multimode waveguide splits an optical signal into two signals whose intensities are equal, and the second multimode waveguide is formed, when voltages are not applied to the switching electrodes, to guide the optical signals out from the output-side single mode waveguides that are provided positions diagonal to the intermediate single mode waveguides through which the optical signals are propagated.
摘要翻译：波导装置包括第一多模波导; 第二多模波导; 一对中间单模波导; 连接到第一多模波导的输入侧单模波导; 连接到第二多模波导的一对输出侧单模波导; 一对开关电极，被设置为叠置在所述一对中间单模波导上; 和接地电极。中间单模波导由折射率由施加到开关电极的电压而改变的材料构成，第一多模波导将光信号分解为强度相等的两个信号，并且当电压为不施加到开关电极，以引导光信号从与传播光信号的中间单模波导对角的提供位置的输出侧单模波导输出。

6. 发明申请

US20080260322A1 Optical splitter/coupler and optical communication system 有权
标题翻译：光分路器/耦合器和光通信系统
公开(公告)号：US20080260322A1
公开(公告)日：2008-10-23
申请号：US11809657
申请日：2007-06-01
申请人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
发明人： Roshan Thapliya , Takashi Kikuchi , Shigetoshi Nakamura
IPC分类号： G02F1/295 , G02B6/26
CPC分类号： G02B6/2813 , G02F1/3136 , G02F2001/217 , G02F2201/06
摘要： An optical splitter/coupler has: a multimode waveguide having an electrooptic effect, and propagating light in a multimode; one incident waveguide propagating light in a single mode, and inputting the light to the multimode waveguide; one pair of emitting waveguides guiding-out, in a single mode, lights which have propagated-in through the multimode waveguide; at least one pair of individual electrodes provided so as to be positioned in vicinities of respective side edges on one surface of the multimode waveguide; and a ground electrode provided on another surface, wherein the multimode waveguide has a length such that 3(n+1) bright spots arise at a central portion and at both side edge portions due to incident light, the individual electrodes are provided at positions corresponding to an upstream-most one pair of the bright spots, and the emitting waveguides are connected to positions corresponding to a downstream-most one pair of the bright spots.
摘要翻译：光分路器/耦合器具有：具有电光效应的多模波导和多模传播光; 一个入射波导以单一模式传播光，并将光输入到多模波导; 一对发射波导在单一模式中引导已经通过多模波导传播的光; 至少一对单独的电极被设置成位于多模波导的一个表面上的相应侧边缘附近; 以及设置在另一个表面上的接地电极，其中所述多模波导具有使得由于入射光而在中心部分和两个侧边缘部分处出现3（n + 1）个亮点的长度，所述各个电极设置在相应的位置处到最上游的一对亮点，并且发射波导连接到对应于最下游一对亮点的位置。

7. 发明授权

US08107778B2 Waveguide element and method of production thereof 有权
标题翻译：波导元件及其制造方法
公开(公告)号：US08107778B2
公开(公告)日：2012-01-31
申请号：US12558962
申请日：2009-09-14
申请人： Takashi Kikuchi , Roshan Thapliya , Shigetoshi Nakamura
发明人： Takashi Kikuchi , Roshan Thapliya , Shigetoshi Nakamura
IPC分类号： G02B6/12 , G02B6/26
CPC分类号： G02F1/065 , G02F1/035 , G02F2201/12 , G02F2201/501
摘要： There is provided a method of producing a waveguide element comprising steps of forming a lower cladding layer having a refractive index n1 on a substrate having a lower electrode; forming an active core layer having a refractive index n2 and exhibiting an electro-optical effect on a surface of the lower cladding layer; forming a protective layer having a reflective index n4 on a surface of the active core layer; forming a passive core layer having a reflective index n3 on a surface of the protective layer; exposing the passive core layer with a predetermined pattern to form an optical circuit; forming an upper cladding layer on a surface of the passive core layer; forming an upper electrode on a surface of the upper cladding layer; and performing a polarization orientation treatment in which the active core layer is softened or liquidized and cured while the electric field is applied.
摘要翻译：提供一种制造波导元件的方法，包括以下步骤：在具有下电极的基板上形成具有折射率n1的下包层; 形成具有折射率n2并在下包层的表面上呈现电光效应的活性芯层; 在活性芯层的表面上形成具有反射率n4的保护层; 在保护层的表面上形成具有反射率n3的无源芯层; 以预定图案露出被动核心层以形成光电路; 在被动核心层的表面上形成上部包层; 在上包层的表面上形成上电极; 并且进行极化取向处理，其中活性芯层在施加电场时软化或液化并固化。

8. 发明授权

US07747128B2 Waveguide device 有权
标题翻译：波导装置
公开(公告)号：US07747128B2
公开(公告)日：2010-06-29
申请号：US12054620
申请日：2008-03-25
申请人： Takashi Kikuchi , Roshan Thapliya , Shigetoshi Nakamura
发明人： Takashi Kikuchi , Roshan Thapliya , Shigetoshi Nakamura
IPC分类号： G02B6/00
CPC分类号： G02F1/065 , G02F2201/12
摘要： A waveguide device includes a substrate and a first electrode, a first cladding layer, a waveguide, a second cladding layer, and a second electrode sequentially provided on the substrate. At least one of the first cladding layer, the waveguide, and second cladding layer includes a ligand compound which is capable of coordinating to a metal or metal ion.
摘要翻译：波导装置包括基板和顺序地设置在基板上的第一电极，第一包层，波导，第二包层和第二电极。第一包覆层，波导管和第二覆层中的至少一个包括能够配合金属或金属离子的配体化合物。

9. 发明授权

US07403678B2 Optical switching element 失效
标题翻译：光开关元件
公开(公告)号：US07403678B2
公开(公告)日：2008-07-22
申请号：US11605348
申请日：2006-11-29
申请人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi
发明人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi
IPC分类号： G02B6/42 , G02B6/10 , G02F1/295
CPC分类号： G02F1/3132 , G02F1/3136 , G02F2001/217 , G02F2202/07
摘要： An optical switching element comprising: a multimode waveguide having an electro-optical effect; one or a plurality of first single mode waveguides; a plurality of second single mode waveguides; a first electrode arranged in the vicinity of one edge on one side of the multimode waveguide; a second electrode arranged in the vicinity of the other edge on the same side of the multimode waveguide; and a third electrode arranged on the other side of the multimode waveguide, over the first electrode and the second electrode being arranged so as to be positioned on bright spots formed by multimode interference in an optical mode field generated by the light propagating through the multimode waveguide, and an optical path being switched between the first single mode waveguide and the second single mode waveguide by applying voltage between the first electrode and the third electrode and between the second electrode and the third electrode, is provided.
摘要翻译：一种光开关元件，包括：具有电光效应的多模波导; 一个或多个第一单模波导; 多个第二单模波导; 布置在所述多模波导一侧的一个边缘附近的第一电极; 布置在所述多模波导的同一侧上的另一边缘附近的第二电极; 以及布置在所述多模波导的另一侧上的第三电极，所述第一电极和所述第二电极被布置成位于由通过所述多模波导传播的光产生的光模场中的多模干涉形成的亮点上并且提供通过在第一电极和第三电极之间以及第二电极和第三电极之间施加电压在第一单模波导和第二单模波导之间切换的光路。

10. 发明申请

US20070263953A1 Optical switching element 失效
标题翻译：光开关元件
公开(公告)号：US20070263953A1
公开(公告)日：2007-11-15
申请号：US11605348
申请日：2006-11-29
申请人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi
发明人： Roshan Thapliya , Shigetoshi Nakamura , Takashi Kikuchi
IPC分类号： G02F1/295 , G02B6/10 , G02B6/26 , G02B6/42
CPC分类号： G02F1/3132 , G02F1/3136 , G02F2001/217 , G02F2202/07
摘要： An optical switching element comprising: a multimode waveguide having an electro-optical effect; one or a plurality of first single mode waveguides; a plurality of second single mode waveguides; a first electrode arranged in the vicinity of one edge on one side of the multimode waveguide; a second electrode arranged in the vicinity of the other edge on the same side of the multimode waveguide; and a third electrode arranged on the other side of the multimode waveguide, over the first electrode and the second electrode being arranged so as to be positioned on luminescent spots in an optical mode field generated by the light propagating through the multimode waveguide, and an optical path being switched between the first single mode waveguide and the second single mode waveguide by applying voltage between the first electrode and the third electrode and between the second electrode and the third electrode, is provided.
摘要翻译：一种光开关元件，包括：具有电光效应的多模波导; 一个或多个第一单模波导; 多个第二单模波导; 布置在所述多模波导一侧的一个边缘附近的第一电极; 布置在所述多模波导的同一侧上的另一边缘附近的第二电极; 以及布置在所述多模波导的另一侧上的第三电极，在所述第一电极和所述第二电极上方布置以便在由通过所述多模波导传播的光产生的光模场中定位在发光点上，以及光学提供了通过在第一电极和第三电极之间以及第二电极和第三电极之间施加电压在第一单模波导和第二单模波导之间切换的路径。

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