公开(公告)号：US08792752B2

公开(公告)日：2014-07-29

申请号：US12737301

申请日：2009-07-03

申请人： Ryo Shimizu ,  Toru Sugamata

发明人： Ryo Shimizu ,  Toru Sugamata

IPC分类号： G02F1/035 ,  G02F1/295 ,  H03H7/38 ,  G02F1/03

CPC分类号： G02F1/2255 ,  G02F1/0356 ,  G02F2201/122 ,  G02F2201/127

摘要： Provided is an optical waveguide element module which suppresses reflection of a modulation signal and attenuation of a modulation signal, even when an impedance of a modulation electrode of an optical waveguide element and an impedance of a transmission line for inputting the modulation signal from the external of the optical waveguide element are different from each other. The optical waveguide element module is provided with an optical waveguide element, which has a substrate (1) composed of a material having electro-optical effects, an optical waveguide (2) formed on the substrate, and a modulation electrode (3) which modules optical waves propagating in the optical waveguide; a connector (8), wherein an external signal line which inputs the modulation signal to the modulation electrode is connected to the modulation electrode; and a relay line which connects the connector and the modulation electrode and is formed on a relay substrate (7). Impedance of the relay line changes stepwise or continuously, and reflection of the modulation signal in the optical waveguide element module is suppressed.

摘要翻译： 提供了一种光波导元件模块，其抑制调制信号的反射和调制信号的衰减，即使当光波导元件的调制电极的阻抗和用于从外部输入调制信号的传输线的阻抗 光波导元件彼此不同。 光波导元件模块设置有光波导元件，该光波导元件具有由具有电光效应的材料构成的基板（1），形成在基板上的光波导（2），以及调制电极（3） 在光波导中传播的光波; 连接器（8），其中将调制信号输入到所述调制电极的外部信号线连接到所述调制电极; 和连接器和调制电极并形成在继电器基板（7）上的中继线。 继电器线路的阻抗逐步或连续地变化，抑制了光波导元件模块中的调制信号的反射。

公开(公告)号：US08774564B2

公开(公告)日：2014-07-08

申请号：US12736259

申请日：2009-03-06

申请人： Ryo Shimizu ,  Shinsuke Kanno ,  Toru Sugamata

发明人： Ryo Shimizu ,  Shinsuke Kanno ,  Toru Sugamata

IPC分类号： G02F1/035

CPC分类号： G02F1/0121 ,  G02F1/0356 ,  G02F1/2255

摘要： Disclosed is an optical waveguide element module in which a filter circuit including a capacitor is provided on a line through which a modulation signal is input to a modulating electrode of an optical waveguide element. The module is capable of preventing the deterioration of an electric signal in the filter circuit or the occurrence of a resonance phenomenon within the frequency range used and obtaining flat electrical/optical response frequency characteristics in a wide band of more than several tens of gigahertz. The capacitor is a single-layer capacitor and the relative permittivity of a dielectric in the capacitor is equal to or less than 1000.

摘要翻译： 公开了一种光波导元件模块，其中包括电容器的滤波电路设置在调制信号被输入到光波导元件的调制电极的一行上。 该模块能够防止在所使用的频率范围内的滤波器电路中的电信号的劣化或共振现象的发生，并且在多于几十赫兹的宽带中获得平坦的电/光响应频率特性。 电容器是单层电容器，并且电容器中的电介质的相对介电常数等于或小于1000。

公开(公告)号：US08175432B2

公开(公告)日：2012-05-08

申请号：US12450255

申请日：2008-03-19

申请人： Satoshi Oikawa ,  Toru Sugamata ,  Ryo Shimizu ,  Tsutomu Saitou ,  Katsutoshi Kondou

发明人： Satoshi Oikawa ,  Toru Sugamata ,  Ryo Shimizu ,  Tsutomu Saitou ,  Katsutoshi Kondou

IPC分类号： G02B6/26

CPC分类号： G02B6/4225 ,  G02B6/12007 ,  G02B6/122 ,  G02B2006/1215 ,  G02B2006/12159

摘要： A method of adjusting the optical axis of an optical waveguide element which can improve a manufacturing yield of the optical waveguide element, an alignment yield between the optical waveguide element and an input waveguide means, etc. and can equalize the branch ratio in a Y-branch waveguide; and an optical waveguide element which can be made compact and also inhibited from complication in structure by using this method. The optical waveguide element (5) formed on a substrate comprises at least a linear waveguide (6) and a Y-branch waveguide (7) branched from the linear waveguide. The method of adjusting the optical axis of the optical waveguide element (5) when connecting the optical waveguide element (5) and an input waveguide means (3) for inputting a light wave into the optical waveguide element (5) is characterized in that a wide band light or two or more single-wavelength lights (light sources (1, 2)) having a different wavelength are inputted into the linear waveguide via the input waveguide means (3) and then the optical axes of the optical waveguide element (5) and input waveguide means (3) are so adjusted that light waves (10, 11) output from individual branch arms (8, 9) of the Y-branch waveguide may have nearly identical light intensity.

摘要翻译： 一种调整光波导元件的光轴的方法，其可以提高光波导元件的制造成品率，光波导元件与输入波导装置之间的取向收益率等，并且可以使Y轴方向上的分支比例均衡， 分支波导; 以及通过使用该方法，可以使结构中的光波导元件紧凑化并且也被抑制。 形成在基板上的光波导元件（5）至少包括从线状波导分支的直线波导（6）和Y支路波导（7）。 当将光波导元件（5）和用于将光波输入光波导元件（5）的输入波导装置（3）连接时，调整光波导元件（5）的光轴的方法的特征在于， 具有不同波长的宽带光或两个或更多个单波长光（光源（1,2））经由输入波导装置（3）输入到线性波导，然后光波导元件（5）的光轴 ）和输入波导装置（3）被调整为使得从Y分支波导的各个分支臂（8,9）输出的光波（10,11）可具有几乎相同的光强度。

公开(公告)号：US20100296767A1

公开(公告)日：2010-11-25

申请号：US12734434

申请日：2008-10-31

申请人： Ryo Shimizu ,  Toru Sugamata

发明人： Ryo Shimizu ,  Toru Sugamata

IPC分类号： G02F1/035

CPC分类号： G02F1/2255 ,  G02F2201/12 ,  G02F2203/21

摘要： Provided is an optical modulator wherein frequency characteristics in a high frequency band are further improved and temperature drift phenomenon is more suppressed. The optical modulator is provided with a substrate (1) having electro-optical effects; an optical waveguide (2) formed on the substrate; and a modulation electrode on the substrate. The modulation electrode is composed of a signal electrode for controlling an optical wave guided in the optical waveguide, and ground electrodes (4, 5). A high frequency modulation signal introducing path or a terminator is bonded to at least one of end sections (31, 32) of the signal electrode by bonding (81-86). Dummy electrode sections (131-186) are arranged on the side opposite to the end section of the bonded signal electrode, by having a waveguide path in between.

摘要翻译： 提供了一种光调制器，其中高频带中的频率特性进一步提高，并且更加抑制温度漂移现象。 光调制器设置有具有电光效应的基板（1） 形成在所述基板上的光波导（2） 和基板上的调制电极。 调制电极由用于控制在光波导中引导的光波的信号电极和接地电极（4,5）组成。 通过结合（81-86）将高频调制信号导入路径或终端器接合到信号电极的端部（31,32）中的至少一个。 虚拟电极部分（131-186）通过在其之间具有波导路径而布置在与键合信号电极的端部相对的一侧。

公开(公告)号：US20110135241A1

公开(公告)日：2011-06-09

申请号：US12737301

申请日：2009-07-03

申请人： Ryo Shimizu ,  Toru Sugamata

发明人： Ryo Shimizu ,  Toru Sugamata

IPC分类号： G02F1/035

CPC分类号： G02F1/2255 ,  G02F1/0356 ,  G02F2201/122 ,  G02F2201/127

摘要： Provided is an optical waveguide element module which suppresses reflection of a modulation signal and attenuation of a modulation signal, even when an impedance of a modulation electrode of an optical waveguide element and an impedance of a transmission line for inputting the modulation signal from the external of the optical waveguide element are different from each other. The optical waveguide clement module is provided with an optical waveguide element, which has a substrate (1) composed of a material having electro-optical effects, an optical waveguide (2) formed on the substrate, and a modulation electrode (3) which modules optical waves propagating in the optical waveguide; a connector (8), wherein an external signal line which inputs the modulation signal to the modulation electrode is connected to the modulation electrode; and a relay line which connects the connector and the modulation electrode and is formed on a relay substrate (7). Impedance of the relay line changes stepwise or continuously, and reflection of the modulation signal in the optical waveguide element module is suppressed.

摘要翻译： 提供了一种光波导元件模块，其抑制调制信号的反射和调制信号的衰减，即使当光波导元件的调制电极的阻抗和用于从外部输入调制信号的传输线的阻抗 光波导元件彼此不同。 光波导元件模块设置有光波导元件，该光波导元件具有由具有电光效应的材料构成的基板（1），形成在基板上的光波导（2），以及调制电极（3） 在光波导中传播的光波; 连接器（8），其中将调制信号输入到所述调制电极的外部信号线连接到所述调制电极; 和连接器和调制电极并形成在继电器基板（7）上的中继线。 继电器线路的阻抗逐步或连续地变化，抑制了光波导元件模块中的调制信号的反射。

公开(公告)号：US20100104241A1

公开(公告)日：2010-04-29

申请号：US12450255

申请日：2008-03-19

申请人： Satoshi Oikawa ,  Toru Sugamata ,  Ryo Shimizu ,  Tsutomu Saitou ,  Katsutoshi Kondou

发明人： Satoshi Oikawa ,  Toru Sugamata ,  Ryo Shimizu ,  Tsutomu Saitou ,  Katsutoshi Kondou

IPC分类号： G02B6/26 ,  G02B6/35

CPC分类号： G02B6/4225 ,  G02B6/12007 ,  G02B6/122 ,  G02B2006/1215 ,  G02B2006/12159

摘要： A method of adjusting the optical axis of an optical waveguide element which can improve a manufacturing yield of the optical waveguide element, an alignment yield between the optical waveguide element and an input waveguide means, etc. and can equalize the branch ratio in a Y-branch waveguide; and an optical waveguide element which can be made compact and also M inhibited from complication in structure by using this method. The optical waveguide element (5) formed on a substrate comprises at least a linear waveguide (6) and a Y-branch waveguide (7) branched from the linear waveguide. The method of adjusting the optical axis of the optical waveguide element (5) when connecting the optical waveguide element (5) and an input waveguide means (3) for inputting a light wave into the optical waveguide element (5) is characterized in that a wide band light or two or more sing wavelength lights (light sources (1, 2)) having a different wavelength are inputted into the linear waveguide via the input waveguide means (3) and then the optical axes of the optical waveguide element (5) and input waveguide means (3) are so adjusted that light waves (10, 11) output from individual branch arms (8, 9) of the Y-branch waveguide may have nearly identical light intensity.

摘要翻译： 一种调整光波导元件的光轴的方法，其可以提高光波导元件的制造成品率，光波导元件与输入波导装置之间的取向收益率等，并且可以使Y轴方向上的分支比例均衡， 分支波导; 并且通过使用该方法，可以使结构紧凑的M波导元件抑制M的复杂化。 形成在基板上的光波导元件（5）至少包括从线状波导分支的直线波导（6）和Y支路波导（7）。 当将光波导元件（5）和用于将光波输入光波导元件（5）的输入波导装置（3）连接时，调整光波导元件（5）的光轴的方法的特征在于： 通过输入波导装置（3）将具有不同波长的宽带光或两个或更多个波长的光（光源（1,2））输入到线性波导中，然后光波导元件（5）的光轴 并且输入波导装置（3）被调整为使得从Y分支波导的各个分支臂（8,9）输出的光波（10,11）可具有几乎相同的光强度。

公开(公告)号：US09329340B2

公开(公告)日：2016-05-03

申请号：US13138809

申请日：2010-03-30

申请人： Katsutoshi Kondou ,  Satoshi Oikawa ,  Toru Sugamata

发明人： Katsutoshi Kondou ,  Satoshi Oikawa ,  Toru Sugamata

IPC分类号： G02F1/035 ,  G02B6/125 ,  G02B6/293 ,  G02F1/225 ,  G02F1/313 ,  G02B6/28 ,  G02F1/21

CPC分类号： G02B6/125 ,  G02B6/2813 ,  G02B6/29352 ,  G02F1/225 ,  G02F1/3136 ,  G02F1/3137 ,  G02F2001/212 ,  G02F2001/217

摘要： In order to provide an optical modulator capable of suppressing generation of mode mismatching light in the Y-multiplexer in the MZ-type waveguide or mixing of the mode mismatching light with the radiation-mode light or the output light, and separately extracting output light and radiation-mode light, there is provided an optical modulator having a Mach-Zehnder type waveguide on a surface of a dielectric substrate, wherein a waveguide after multiplexing in a Y-multiplexer in an output side of the Mach-Zehnder type waveguide is a multiple mode waveguide 2, a subsidiary output waveguide as a high-order mode waveguide 2 is connected to a portion where the multiple mode waveguide is changed to a main output waveguide 3 as a single mode waveguide, and the multiple mode waveguide 2 has a length equal to or longer than 150 μm.

摘要翻译： 为了提供能够抑制MZ型波导中的Y多路复用器中的模式不匹配光的产生的光调制器或者模式不匹配光与放射模式光或输出光的混合，并且分别提取输出光和 提供了在电介质基板的表面上具有马赫 - 曾德尔型波导的光学调制器，其中在马赫 - 策德尔型波导的输出侧的Y多路复用器中复用后的波导是多重的 模式波导2，作为高阶模式波导2的辅助输出波导连接到多模波导变成作为单模波导的主输出波导3的部分，多模波导2的长度相等 到或超过150μm。

公开(公告)号：US08406577B2

公开(公告)日：2013-03-26

申请号：US12735254

申请日：2008-12-24

申请人： Toru Sugamata

发明人： Toru Sugamata

IPC分类号： G02F1/035

CPC分类号： G02F1/225

摘要： An optical modulator includes a substrate that is formed of a material having an electro-optic effect, an optical waveguide 2 that is formed on the substrate 1, the optical waveguide 2 having at least an input waveguide 21 leading the optical wave input to the optical modulator, branch waveguides 23, 24, 27, and 28 branching from the input waveguide, and an output waveguide 30 coupling the branch waveguides and leading the optical wave to the outside of the optical modulator, modulation electrodes 61 and 62 that are formed on the substrate to modulate an optical wave propagating on the waveguide, modulation means 25 and 26 that are provided at apart of the branch waveguides to modulate the optical wave propagating on the branch waveguide, where at least a part of the modulation electrodes is provided, polarization plane selection means 4 that is provided at a part of the optical waveguide up to a part where the branch waveguides are coupled, and controls the polarization plane of the optical wave modulated by the modulation means, and polarization plane adjustment means 5 that is provided at a part of the optical waveguide up to a part where the branch waveguides are coupled, and adjusts the polarization planes such that the polarization planes of the optical waves propagating on the branch waveguides are made orthogonal effectively.

摘要翻译： 光调制器包括由具有电光效应的材料形成的基板，形成在基板1上的光波导2，光波导2至少具有将光波输入端向光学器件引导的输入波导21 调制器，从输入波导分支的分支波导23,24,27和28，以及耦合分支波导并将光引导到光调制器外部的输出波导30，形成在调制电极61和62上的调制电极61和62 衬底以调制在波导上传播的光波，调制装置25和26，其设置在分支波导的分开处，以调制传播在其上至少部分调制电极的分支波导上的光波，偏振面 选择装置4，其设置在光波导的一部分直到分支波导耦合的部分，并且控制o的偏振面 由调制装置调制的波峰波形，以及偏振平面调整装置5，其设置在光波导的一部分上，直到分支波导耦合的部分，并调整偏振面，使得光波的偏振面传播 在分支波导上进行正交正交。

公开(公告)号：US20110243493A1

公开(公告)日：2011-10-06

申请号：US13065737

申请日：2011-03-29

申请人： Katsutoshi Kondou ,  Masanao Kurihara ,  Toru Sugamata

发明人： Katsutoshi Kondou ,  Masanao Kurihara ,  Toru Sugamata

IPC分类号： G02B6/10

CPC分类号： G02B6/126 ,  G02B2006/1204 ,  G02B2006/12061 ,  G02B2006/12097

摘要： The waveguide-type polarizer includes: a Z-cut lithium niobate substrate; an optical waveguide having a ridge structure and formed on the substrate; a low refractive index film formed with a thickness satisfying 0≦n·t/λ≦0.3742 (where n is a refractive index, t (μm) is the thickness of the film, and λ (μm) is the wavelength of a light wave) on the side of the ridge structure; and a high refractive index film formed with a thickness satisfying 0.089≦n·/λ on the low refractive index film. The width of the ridge structure is a ridge width where the distribution of ordinary light of the light waves propagated through the optical waveguide changes and the distribution of extraordinary light of the light waves does not change, the angle of the ridge structure is less than 90°, and the waveguide-type polarizer has a function of transmitting extraordinary light.

摘要翻译： 波导型偏振器包括：Z切割的铌酸锂基板; 具有脊结构并形成在所述基板上的光波导; 形成厚度满足0＆nlE的低折射率膜; n·t /λ＆nlE; 0.3742（其中n是折射率，t（μm）是膜的厚度，λ（μm）是光波长 ）在脊结构的一侧; 以及在低折射率膜上形成厚度满足0.089

公开(公告)号：US20100247024A1

公开(公告)日：2010-09-30

申请号：US12733873

申请日：2008-09-25

申请人： Yuhki Kinpara ,  Toru Sugamata

发明人： Yuhki Kinpara ,  Toru Sugamata

IPC分类号： G02F1/035 ,  G02B6/12

CPC分类号： G02F1/0356 ,  G02F1/2255 ,  G02F2001/212 ,  G02F2201/063

摘要： An optical waveguide type device employing an X-cut substrate having an electro-optical effect is provided in which the modulation efficiency due to an electric field formed by control electrodes is improved. The optical waveguide type device includes: an X-cut substrate having an electro-optical effect; an optical waveguide formed on the substrate; and a control electrode controlling an optical wave propagating in the optical waveguide and including a signal electrode and a ground electrode. Here, the bottom surface of at least one of the signal electrode and the ground electrode disposed to interpose the optical waveguide therebetween is lower (by a height difference d) than the top surface on which the optical waveguide is formed.

摘要翻译： 提供一种使用具有电光效应的X切割基板的光波导型装置，其中由控制电极形成的电场引起的调制效率提高。 光波导型装置包括：具有电光效应的X切割基板; 形成在基板上的光波导; 以及控制电极，其控制在所述光波导中传播的光波，并且包括信号电极和接地电极。 这里，设置成将光波导介于其间的信号电极和接地电极中的至少一个的底面比形成有光波导的顶面低（高度差d）。