公开(公告)号：JP2010085789A

公开(公告)日：2010-04-15

申请号：JP2008255770

申请日：2008-09-30

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： OIKAWA SATORU ,  KANEHARA YUUKI ,  ISHIKAWA YASUHIRO ,  SUGAMATA TORU

IPC: G02B6/12

Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element in which impedance matching is performed between a light wave and a microwave while performing speed matching, even when the thickness of a substrate having an electro-optical effect is 10 μm or smaller, further a driving voltage Vπ is reduced. SOLUTION: The optical waveguide element has: a substrate 1 composed of a material having the electro-optical effect and the thickness of 10 μm or smaller; an optical waveguide 2 formed on the substrate; and a control electrode for modulating and controlling the light wave propagating in the optical waveguide, wherein the control electrode includes a signal electrode 3 and a grounding electrode 4, the gap between the signal electrode and the grounding electrode is ≥15 μm and ≤25 μm, and the thickness of the control electrode is ≥10 μm and ≤40 μm. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供在进行速度匹配的同时在光波和微波之间进行阻抗匹配的光波导元件，即使具有电光效应的基板的厚度为10μm以下 ，进一步降低驱动电压Vπ。 解决方案：光波导元件具有：由具有电光效应并且厚度为10μm或更小的材料构成的基板1; 形成在基板上的光波导2; 以及用于调制和控制在光波导中传播的光波的控制电极，其中控制电极包括信号电极3和接地电极4，信号电极和接地电极之间的间隙为≥15μm且≤25μm ，控制电极的厚度≥10μm，≤40μm。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009244810A

公开(公告)日：2009-10-22

申请号：JP2008094319

申请日：2008-03-31

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： ISHIKAWA YASUHIRO ,  KANEHARA YUUKI ,  OIKAWA SATORU ,  SUGAMATA TORU

IPC: G02F1/035

Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element capable of reducing a driving voltage Vπ, preventing light loss and achieving impedance matching even when the thickness of a substrate having an electro-optical effect is ≤15 μm.
SOLUTION: The optical waveguide element includes: the substrate 1 composed of a material having the electro-optical effect and having thickness of ≤15 μm; an optical waveguide 2 formed by doping a high refractive index material from the surface of the substrate into the substrate; and a control electrode for modulating and controlling an optical wave propagated through the optical waveguide. The control electrode is composed of a signal electrode 3 and a ground electrode 4 which are arranged through the optical waveguide and a rate W/G of the width W of the signal electrode to a gap G between the signal electrode and the ground electrode is ≤0.7.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供能够降低驱动电压Vπ的光波导元件，即使当具有电光效应的基板的厚度为≤15μm时，也防止光损失并实现阻抗匹配。 光波导元件包括：由具有电光效应并且具有≤15μm厚度的材料构成的基板1; 通过将高折射率材料从基板的表面掺杂到基板中形成的光波导2; 以及用于调制和控制通过光波导传播的光波的控制电极。 控制电极由通过光波导配置的信号电极3和接地电极4构成，信号电极的宽度W与信号电极和接地电极之间的间隙G的速率W / G≤ 0.7。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009244324A

公开(公告)日：2009-10-22

申请号：JP2008087592

申请日：2008-03-28

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： SHIMIZU AKIRA ,  SUGAMATA TORU ,  SUGANO SHINSUKE

IPC: G02F1/03

CPC classification number: G02F1/225 ,  G02F2001/212

Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element module which has a filter circuit including a capacitor disposed on a line for inputting a modulation signal into a modulation electrode of an optical waveguide element, the optical waveguide element module having a smoothed optical response frequency characteristic over a wide band of several dozen GHz even when using a multilayer ceramic capacitor as the capacitor.
SOLUTION: The optical waveguide element module includes: an optical waveguide element having a substrate 1 formed of a material having an electro-optic effect, an optical waveguide 2 formed on the substrate, and a modulation electrode (3) for modulating optical waves propagated over the optical waveguide; and a filter circuit (7) which is disposed on a line, inputs a modulation signal into the modulation electrode and includes a capacitor. As for the capacitor, only a multilayer ceramic capacitor having ≤3 pF per capacitance is used.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种光波导元件模块，其具有包括设置在用于将调制信号输入到光波导元件的调制电极的线上的电容器的滤波电路，所述光波导元件模块具有平滑的 即使使用多层陶瓷电容器作为电容器，也可以在几十GHz的宽带上的光响应频率特性。 光波导元件模块包括：光波导元件，其具有由具有电光效应的材料形成的基板1，形成在基板上的光波导2和用于调制光学的调制电极（3） 波在光波导上传播; 和设置在一行上的滤波电路（7），将调制信号输入到调制电极中，并包括电容器。 对于电容器，仅使用每电容值≤3pF的多层陶瓷电容器。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009181108A

公开(公告)日：2009-08-13

申请号：JP2008022759

申请日：2008-02-01

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： SHIMIZU AKIRA ,  OIKAWA SATORU ,  SUGAMATA TORU

IPC: G02F1/035 ,  G02B6/12 ,  G02B6/122

Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element such that increase in drive voltage is suppressed, the propagation loss of light waves is reduced and the optical response characteristic at a high-frequency band is not deteriorated by a propagation loss reduction means. SOLUTION: The optical waveguide element includes: a substrate having an electrooptical effect; a Mach-Zehnder type optical waveguide formed on the main face of the substrate; a control electrode for controlling the light wave which propagates in the optical waveguide, wherein the Mach-Zehnder type optical waveguide is divided into: an action part which is an optical waveguide part which controls the light wave with the control electrode; and input/output parts (2, 21 and 22) which are optical waveguide parts which input the light wave to the action part or output the light wave from the action part, wherein the control electrodes are constituted of a signal electrode 3 and grounding electrodes (321 to 323), and an optical loss reduction means is provided at least at one side of the grounding electrodes on the input/output parts, when the grounding electrodes are arranged striding over the input/output parts. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供抑制驱动电压增加的光波导元件，光波的传播损耗减小，并且高频带的光响应特性不会由于传播损耗的降低而劣化 手段。 光波导元件包括：具有电光效应的基板; 形成在基板的主面上的马赫 - 曾德尔型光波导; 用于控制在光波导中传播的光波的控制电极，其中所述马赫 - 策德尔型光波导被分为：作为控制所述光波的控制电极的光波导部分的作用部分; 以及作为向作用部输入光波的光波导部分或从动作部输出光波的输入输出部（2,21和22），其中控制电极由信号电极3和接地电极 （321〜323），并且当接地电极跨过输入/输出部分布置时，至少在输入/输出部分上的接地电极的一侧设置光损耗减小装置。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2009109929A

公开(公告)日：2009-05-21

申请号：JP2007284647

申请日：2007-11-01

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： SHIMIZU AKIRA ,  SUGAMATA TORU

IPC: G02F1/035

CPC classification number: G02F1/2255 ,  G02F2201/12 ,  G02F2203/21

Abstract: PROBLEM TO BE SOLVED: To provide an optical modulator capable of further improving frequency characteristics in a high frequency band and further suppressing a temperature drift phenomenon.
SOLUTION: The optical modulator has 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 connected 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, with a waveguide path in between.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决的问题：提供能够进一步提高高频带的频率特性并进一步抑制温度漂移现象的光调制器。 解决方案：光调制器具有具有电光效应的基板1，在基板上形成的光波导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。高频调制信号导入路径或终端器连接到至少一个端部31,32 信号电极通过键合81-86。 虚拟电极部131-186布置在与键合信号电极的端部相对的一侧，其间具有波导路径。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008249790A

公开(公告)日：2008-10-16

申请号：JP2007087646

申请日：2007-03-29

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： MORI SHINGO ,  SAITO TSUTOMU ,  SUGAMATA TORU

IPC: G02F1/035 ,  G02B6/12

CPC classification number: G02B6/12 ,  G02F1/225 ,  G02F2203/21

Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide element of a nested waveguide structure in which the element itself has as an operation point shift suppression function without requiring a controller or the like. SOLUTION: The optical waveguide element includes a substrate having an electro-optical effect, an optical waveguide formed on the substrate, and a plurality of modulation electrodes for modulating a light wave guided in the optical waveguide. The optical waveguide is branched into two in the propagation direction of the light wave to constitute two main optical waveguides. Each main optical waveguide is further branched into two in the propagation direction of the light wave to constitute two sub optical waveguides. The two main optical waveguides constitute a main Mach-Zehnder optical waveguide. The two sub optical waveguides are incorporated into the main Mach-Zehnder optical waveguide to constitute a sub Mach-Zehnder optical waveguide. A heat conduction suppression area of the substrate is provided between the two sub Mach-Zehnder optical waveguides disposed opposite to each other, thereby constituting the optical waveguide element. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种嵌套波导结构的光波导元件，其中元件本身具有作为操作点偏移抑制功能而不需要控制器等。 解决方案：光波导元件包括具有电光效应的基板，形成在基板上的光波导，以及用于调制在光波导中引导的光波的多个调制电极。 光波导在光波的传播方向上分为两个，以构成两个主要的光波导。 每个主光波导在光波的传播方向上进一步分为两个，以构成两个子光波导。 两个主要的光波导构成主要的马赫 - 曾德尔光波导。 两个子光波导被并入到主马赫 - 策德尔（Mar-Zehnder）光波导中，构成了一个次马赫 - 曾德尔光波导。 在彼此相对设置的两个子马赫 - 策德尔光波导之间设置有基板的导热抑制区域，从而构成光波导元件。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008117980A

公开(公告)日：2008-05-22

申请号：JP2006300816

申请日：2006-11-06

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： SUGAMATA TORU ,  SAITO TSUTOMU ,  MURATA SUSUMU

IPC: H01S5/022 ,  G02B6/42

Abstract: PROBLEM TO BE SOLVED: To provide an optical module which can high precisely and stably control a wavelength and is also excellent in a reliability.
SOLUTION: The optical module is constituted by comprising the steps of: constituting a case 30 of the optical module with a case main body made from SUS and a heat slinger 30a made from CuW; fixing on this heat slinger 30a a Peltier element (temperature control element 43) for carrying out a temperature-control of a semiconductor laser 27; and fixing an optical waveguide element 28 consisting of an LN substrate to the case main body made from the SUS having a near thermal expansion coefficient.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可以高精度且稳定地控制波长并且可靠性优异的光学模块。 解决方案：光学模块包括以下步骤：构成光学模块的壳体30，其具有由SUS制成的壳主体和由CuW制成的散热器30a; 固定在该散热器30a上，用于进行半导体激光器27的温度控制的珀耳帖元件（温度控制元件43）; 并将由LN基板构成的光波导元件28固定在由具有接近热膨胀系数的SUS制成的壳体主体上。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007256552A

公开(公告)日：2007-10-04

申请号：JP2006080014

申请日：2006-03-23

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： SHIMIZU AKIRA ,  FUJITA TAKAHISA ,  SUGAMATA TORU

IPC: G02F1/03

Abstract: PROBLEM TO BE SOLVED: To provide a driver of an optical modulator directly connecting two Mach-Zehnder optical wave guides, that can apply correctly phase adjusted modulation signals to the modulating electrodes of the two Mach-Zehnder optical wave guides and suppress the degradations of the optical signals output from the optical modulator.
SOLUTION: The optical modulator driver, which outputs RZ light signals from the modulator to the optical modulator having two Mach-Zehnder optical wave guides 40, 41 disposed in series, has a logic circuit 45 to input the NRZ modulation signals output from a single signal source 44, a first driver circuit 46 to amplify the NRZ modulation signal output from this logic circuit, and a second driver circuit 49 to amplify the clock pulses output from this logic circuit. The output of this first driver circuit is applied to the above first modulating electrode, and the output of the second driver circuit is applied to the above second modulating electrode.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供直接连接两个马赫 - 曾德光波导的光调制器的驱动器，其可以将相位调整的调制信号正确地应用于两个马赫 - 策德尔光波导的调制电极，并且抑制 从光调制器输出的光信号的劣化。 解决方案：将调制器的RZ光信号输出到具有串联布置的两个马赫 - 曾德光波导40,41的光调制器的光调制器驱动器具有逻辑电路45，以输入从 单个信号源44，用于放大从该逻辑电路输出的NRZ调制信号的第一驱动器电路46和用于放大从该逻辑电路输出的时钟脉冲的第二驱动器电路49。 将该第一驱动电路的输出应用于上述第一调制电极，将第二驱动电路的输出施加到上述第二调制电极。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007122038A

公开(公告)日：2007-05-17

申请号：JP2006264544

申请日：2006-09-28

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： FUJINO TETSUYA ,  YAMAMOTO FUTOSHI ,  JINRIKI TAKASHI ,  SUGAMATA TORU ,  ICHIKAWA JUNICHIRO

IPC: G02F1/03

Abstract: PROBLEM TO BE SOLVED: To provide an optical control device which suppresses growth of abnormal grains in an electrode for control formed by plating even when a buffer layer does not exist or the buffer layer is thin such as a laminated crystalline substrate, has broadband characteristics and in which temperature characteristics and substrate damages are improved. SOLUTION: In the optical control device in which the electrode 11 for control is formed on the crystalline substrate 1 having an electrooptic effect by electrolytic plating, at least one layer of a growth suppression layer 10 of electrode orientation, etc. is provided between the crystalline substrate and the electrode for control. In addition, in the growth suppression layer of the electrode orientation, etc., at least one material selected from Ga, Mo, W, Ta, Si, Ti, Cr, Ni-Cr, nitrides or acid nitrides of these materials is used. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 解决的问题：为了提供一种光控制装置，其抑制即使不存在缓冲层也不形成缓冲层，或层叠结晶性基板等的缓冲层，通过电镀形成的控制用电极中的异常晶粒生长，具有 宽带特性，其中温度特性和基板损伤得到改善。 解决方案：在其中通过电解电镀具有电光效应的晶体衬底1上形成用于控制的电极11的光学控制装置中，提供至少一层电极取向等的生长抑制层10 在晶体衬底和用于控制的电极之间。 此外，在电极取向等的生长抑制层中，使用这些材料中的选自Ga，Mo，W，Ta，Si，Ti，Cr，Ni-Cr，氮化物或酸性氮化物中的至少一种材料。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2006098886A

公开(公告)日：2006-04-13

申请号：JP2004286433

申请日：2004-09-30

Applicant: Sumitomo Osaka Cement Co Ltd ,  住友大阪セメント株式会社

Inventor： KURIHARA MASANAO ,  JINRIKI TAKASHI ,  ENDO MUNENORI ,  SUGAMATA TORU ,  YAMAZAKI MASAHIRO

IPC: G02F1/03

Abstract: PROBLEM TO BE SOLVED: To provide an optical modulator which is capable of forming an appropriate film body on a substrate surface including a level difference part and has improved various kinds of characteristics of the optical modulator, such as the suppression of DC drift phenomenon with respect to the optical modulator having the level difference part on the substrate surface, and to provide a production method of the optical modulator. SOLUTION: In the optical modulator comprising the substrate 1 having electro-optical effect, an optical waveguide formed on the substrate and an electrode for control for modulating/controlling the optical waves that propagate in the optical waveguide, wherein a level difference part is formed on the substrate surface, the film body is formed on the region, including the level difference part and the film body formed on the side surface of the level difference part is formed of a dense film body which is equal to or denser than the film body formed on the upper surface of the level difference part. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种光调制器，其能够在包括电平差部分的基板表面上形成适当的膜体，并且具有改进的光调制器的各种特性，例如抑制DC漂移 相对于具有基板表面上的电平差部分的光调制器的现象，并提供光调制器的制造方法。 解决方案：在包括具有电光效应的基板1的光调制器中，形成在基板上的光波导和用于调制/控制在光波导中传播的光波的控制电极，其中电平差部分 形成在基板表面上，膜体形成在包括电平差部分的区域上，并且形成在电平差部分的侧表面上的膜体由致密的膜体形成，该致密膜体等于或致密于 电影体形成在电平差部分的上表面上。 版权所有（C）2006，JPO＆NCIPI