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公开(公告)号：EP2015112A4
公开(公告)日：2009-06-03
申请号：EP07737808
申请日：2007-03-06
Applicant: SUMITOMO OSAKA CEMENT CO LTD
Inventor： ICHIKAWA JUNICHIRO
CPC classification number: G02B6/125 , G02B6/4204 , G02F1/035
Abstract: Disclosed is a multifunctionalized and highly functionalized optical waveguide device which is suppressed in deterioration of operating characteristics while having improved productivity. Specifically disclosed is an optical waveguide device comprising a thin plate (1) having a thickness of not more than 20 µm and at least one optical waveguide (2) formed in the thin plate. This optical waveguide device is characterized in that the thin plate is bonded and fixed to a supporting substrate (5) through an adhesive (4), and a film having a refractive index higher than those of the thin plate and the adhesive is arranged on the surface of the thin plate which is bonded and fixed to the supporting substrate in such a manner that the film is in contact with or close to at least a part of the optical waveguide. The optical waveguide device is preferably characterized in that the thin plate is made of a material having nonlinear optical effects or electro-optic effects.
Abstract translation: 公开了一种多功能化和高度功能化的光波导装置，其在抑制了操作特性的恶化的同时提高了生产率。 具体公开了一种光波导装置，其包括厚度不大于20μm的薄板（1）和形成在该薄板中的至少一个光波导（2）。 该光波导装置的特征在于，通过粘合剂（4）将薄板粘合并固定到支撑基板（5）上，并且折射率高于薄板和粘合剂的膜被布置在 以薄膜与光波导的至少一部分接触或接近的方式接合并固定于支撑基板的薄板的表面。 光波导装置的特征在于，薄板由具有非线性光学效应或电光效应的材料构成。
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12.发明公开METHOD FOR EVALUATING CHARACTERISTIC OF OPTICAL MODULATOR HAVING MACH-ZEHNDER INTERFEROMETER 有权评估方法的光学调制器的特性一致的Mach-Zehnder干涉仪
公开(公告)号：EP2477021A4
公开(公告)日：2013-08-07
申请号：EP09848940
申请日：2009-09-07
Applicant: NAT INST INF & COMM TECH , SUMITOMO OSAKA CEMENT CO LTD
Inventor： KAWANISHI TETSUYA , CHIBA AKITO , ICHIKAWA JUNICHIRO , SUDO MASAAKI
CPC classification number: G02B6/29355 , G02F1/225 , G02F2001/212 , G02F2203/69
Abstract: A method for evaluating a characteristic of, especially, each of Mach-Zehnder interferometers (MZIs) of an optical modulator. The method includes a step of measuring the intensity of the output of the optical modulator containing MZIs and a step of evaluating a characteristic of each MZI by using the sideband. The output intensity measuring step is the one of measuring the intensity S n,k of the sideband signal contained in the output light from the optical modulator. The characteristic evaluating step is the one of evaluating a characteristic of the MZI k by using the S n,k .
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公开(公告)号：EP2136241A4
公开(公告)日：2012-06-27
申请号：EP08739205
申请日：2008-03-28
Applicant: SUMITOMO OSAKA CEMENT CO LTD
Inventor： OIKAWA SATOSHI , ICHIKAWA JUNICHIRO , KINPARA YUHKI , YAMANE YUJI
CPC classification number: G02F1/0356 , G02F1/2255 , G02F2001/212 , G02F2201/12 , G02F2202/07 , G02F2202/20
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公开(公告)号：EP2006723A4
公开(公告)日：2011-09-28
申请号：EP07740632
申请日：2007-03-30
Applicant: SUMITOMO OSAKA CEMENT CO LTD
Inventor： ICHIKAWA JUNICHIRO , YAMAMOTO FUTOSHI , KINPARA YUHKI , KONDOU KATSUTOSHI , OIKAWA SATOSHI
IPC: G02F1/035
CPC classification number: G02F1/0356 , G02F1/2255 , G02F2201/063 , G02F2201/066 , G02F2201/121
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15.发明公开OPTICAL INTENSITY ATTENUATOR AND OPTICAL INTENSITY ATTENUATING METHOD 审中-公开DEVICE AND METHOD FOR损失光照条件
公开(公告)号：EP0946005A4
公开(公告)日：2003-03-12
申请号：EP98944274
申请日：1998-09-29
Applicant: SUMITOMO OSAKA CEMENT CO LTD , NEC CORP
Inventor： ICHIKAWA JUNICHIRO , NAGATA HIROTOSHI , HIGUMA KAORU , MINOWA JUNICHIRO , OGATA TAKAAKI , TANEDA YASUHISA
CPC classification number: G02F1/3511 , G02F1/0147 , G02F1/365 , G02F1/377 , G02F2001/374
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Patent Agency Ranking
公开(公告)号：JP2014191097A
公开(公告)日：2014-10-06
申请号：JP2013064924
申请日：2013-03-26
Applicant: Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
Inventor： ICHIKAWA JUNICHIRO , KATAOKA TOSHIO , MOTOYA MASAYUKI
IPC: G02F1/035
CPC classification number: G02F1/2255 , G02F2001/212 , G02F2201/122 , G02F2201/127
Abstract: PROBLEM TO BE SOLVED: To provide an optical control device in which the crosstalk between input-side signal electrodes of electrodes for modulation is suppressed.SOLUTION: The optical control device includes: first and second optical waveguides 31 and 32; a first signal electrode 5 for control having a first input-side signal electrode 53; a second signal electrode 7 for control having a second input-side signal electrode 73; a ground electrode 13 between signal electrodes; a first ground electrode 11; and a second ground electrode 12. A substrate 1 includes: a first groove D1 disposed between the first input-side signal electrode 53 and the second input-side signal electrode 73; a second groove D2 disposed between the first input-side signal electrode 53 and the first ground electrode 11; a third groove D3 disposed between the second input-side signal electrode 73 and the ground electrode 13 between signal electrodes; and a fourth groove D4 disposed between the second input-side signal electrode 73 and the second ground electrode 12.
Abstract translation: 要解决的问题：提供抑制用于调制的电极的输入侧信号电极之间的串扰的光学控制装置。解决方案：光学控制装置包括：第一和第二光波导31,32; 用于控制的第一信号电极5具有第一输入侧信号电极53; 用于控制的第二信号电极7具有第二输入侧信号电极73; 信号电极之间的接地电极13; 第一接地电极11; 和第二接地电极12.衬底1包括：设置在第一输入侧信号电极53和第二输入侧信号电极73之间的第一沟槽D1; 设置在第一输入侧信号电极53和第一接地电极11之间的第二沟槽D2; 设置在信号电极之间的第二输入侧信号电极73和接地电极13之间的第三槽D3; 以及设置在第二输入侧信号电极73和第二接地电极12之间的第四沟槽D4。
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公开(公告)号：JP2014191095A
公开(公告)日：2014-10-06
申请号：JP2013064913
申请日：2013-03-26
Applicant: Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
Inventor： KATAOKA TOSHIO , KONDO KATSUTOSHI , ICHIKAWA JUNICHIRO
IPC: G02F1/061
CPC classification number: G02F1/225 , G02F1/0316 , G02F1/2255 , G02F2001/212 , G02F2201/121
Abstract: PROBLEM TO BE SOLVED: To provide a downsized optical modulator for suppressing the crosstalk of a signal electrode.SOLUTION: An optical modulator 1 includes: a substrate 41; branch waveguides 421c and 421d; and a plurality of modulation electrodes 43 disposed on the substrate 41 for modulating the light passing in the branch waveguides 421c and 421d. Each modulation electrode 43 includes signal electrodes 44a and 44b for receiving a modulation signal and ground electrodes 45a, 45b, 45c. The ground electrode 45a is disposed between the signal electrodes 44a and 44b, the ground electrode 45b is disposed on the side of the signal electrode 44a opposite to the adjacent side to the ground electrode 45a, and the ground electrode 45c is disposed on the side of the signal electrode 44b opposite to the adjacent side to the ground electrode 45a. The ground electrodes 45a, 45b, and 45c include recessed grooves 450a, 450b, and 450c, respectively.
Abstract translation: 要解决的问题：提供用于抑制信号电极的串扰的小型光学调制器。解决方案：光学调制器1包括：基板41; 分支波导421c和421d; 以及设置在基板41上用于调制在分支波导421c和421d中通过的光的多个调制电极43。 每个调制电极43包括用于接收调制信号的信号电极44a和44b以及接地电极45a，45b，45c。 接地电极45a配置在信号电极44a，44b之间，接地电极45b配置在与接地电极45a的相邻侧相反侧的信号电极44a的一侧，接地电极45c配置在 信号电极44b与接地电极45a的相邻侧相对。 接地电极45a，45b和45c分别包括凹槽450a，450b和450c。
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公开(公告)号：JP2012198492A
公开(公告)日：2012-10-18
申请号：JP2011198114
申请日：2011-09-12
Applicant: Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
Inventor： MOTOTANI MASAYUKI , ICHIKAWA JUNICHIRO , MURATA HIROSHI
IPC: G02F1/035
CPC classification number: G02F1/2255 , G02F1/0316 , G02F1/0356 , G02F1/225 , G02F2001/212
Abstract: PROBLEM TO BE SOLVED: To provide an optical control element capable of reducing cost with high modulation efficiency while using a plurality of resonance electrodes of different resonance frequencies.SOLUTION: In the optical control element comprising: a board 1 having an electrooptic effect; an optical waveguide 2 formed in the board 1; and a control electrode 3 provided in the board 1 to control a phase of light transmitting in the optical waveguide 2, the control electrode 3 includes a plurality of resonance electrodes 31 and 32 which are arranged along the optical waveguide 2 and have different resonance frequencies (f1, f2), an input wiring line 30 for inputting a control signal and a branch signal line branched from the input wiring line 30 are connected to each of the resonance electrodes 31 and 32, and the branch signal line is configured to make timing for supplying the control signal to each of the resonance electrodes 31 and 32 in each of the resonance electrodes 31 and 32 coincide with timing for passing of light transmitting in the optical waveguide 2 in the vicinity of each of the resonance electrodes 31 and 32.
Abstract translation: 要解决的问题：提供一种在使用不同谐振频率的多个谐振电极的同时能够以高调制效率降低成本的光控制元件。 光控制元件包括：具有电光效应的板1; 形成在基板1上的光波导2; 以及控制电极3，其设置在基板1中，以控制在光波导2中透射的相位，控制电极3包括沿着光波导2布置并具有不同谐振频率的多个谐振电极31和32 f1，f2），用于输入控制信号的输入布线30和从输入布线30分支的分支信号线连接到每个共振电极31和32，并且分支信号线被配置为使 向每个谐振电极31和32中的每个谐振电极31和32提供控制信号与在每个谐振电极31和32附近在光波导2中透射的光的定时一致。
版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012027500A
公开(公告)日：2012-02-09
申请号：JP2011234596
申请日：2011-10-26
Applicant: Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
Inventor： ISHIKAWA YASUHIRO , JINRIKI TAKASHI , ICHIKAWA JUNICHIRO
IPC: G02F1/035
Abstract: PROBLEM TO BE SOLVED: To provide an optical control element and a method for manufacturing the same that achieve high productivity by preventing thin substrates and electrodes on the thin substrates from being damaged in a substrate polishing, wafer heating, or further substrate cutting process, during manufacture of optical control elements using a thinned substrate.SOLUTION: In a method for manufacturing an optical control element that forms a plurality of optical control elements on a wafer substrate 20 having electro-optic effect, the optical control element comprises: an optical waveguide formed on the wafer substrate 20; and a control electrode for modulating a light wave propagating through the optical waveguide. A protective electrode 21 is formed using the same material as the control electrode on the wafer substrate 20 in a region outside a region where the optical control element is formed when the control electrode is formed on the wafer substrate 20. A plurality of grooves 22 and 23 are formed in the protective electrode 21.
Abstract translation: 要解决的问题：提供一种光学控制元件及其制造方法，其通过防止薄基板上的薄基板和电极在基板抛光，晶片加热或其它基板切割中被损坏而实现高生产率 在使用减薄基板的光学控制元件的制造过程中。 解决方案：在具有电光效应的晶片基板20上形成多个光控制元件的光控制元件的制造方法中，所述光控元件包括：形成在所述晶片基板20上的光波导; 以及用于调制通过光波导传播的光波的控制电极。 在晶片基板20上形成有控制电极的区域外的区域中，与晶片基板20上的控制电极相同的材料形成保护电极21.多个槽22和 23形成在保护电极21中。版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2011252941A
公开(公告)日：2011-12-15
申请号：JP2010124589
申请日：2010-05-31
Applicant: Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
Inventor： MOTOYA MASAYUKI , ICHIKAWA JUNICHIRO , MURATA HIROSHI
IPC: G02F1/035
Abstract: PROBLEM TO BE SOLVED: To provide an optical control element that enables stable operation at a low driving voltage, in particular an optical control element using two resonance type electrodes that enables stable operation even if a cross talk (coupling) between both the electrodes is produced.SOLUTION: In an optical control element having a substrate 1 having an electro-optic effect, plural optical waveguides 2 formed on the substrate, and a control electrode 3 formed on the substrate for controlling the phase of light which propagates through the optical waveguide, the control electrode comprises at least resonance type electrodes 31 and 32 having the same resonance frequency; and power supply electrodes 41 and 42 that supply a control signal to each resonance type electrode. A shape and a formation position of each resonance type electrode, and a power supply position of the power supply electrode to each resonance type electrode are provided such that odd mode coupling with each other is enabled. Each resonance type electrode is supplied with an in-phase control signal by the power supply electrode.
Abstract translation: 要解决的问题：提供一种能够在低驱动电压下稳定工作的光控制元件，特别是使用两个谐振型电极的光控制元件，即使在两者之间的串扰（耦合） 生产电极。 解决方案：在具有电光效应的基板1的光控制元件中，形成在基板上的多个光波导2和形成在基板上的控制电极3，用于控制通过光学传播的光的相位 波导，控制电极至少包括具有相同谐振频率的共振型电极31和32; 以及向每个共振型电极提供控制信号的电源电极41和42。 每个谐振型电极的形状和形成位置以及电源电极到每个谐振型电极的电源位置被设置为使得能够进行奇模耦合。 每个谐振型电极由电源电极提供同相控制信号。 版权所有（C）2012，JPO＆INPIT
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