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11. 发明专利

JPWO2008108154A1 光位相変調器有权
公开(公告)号：JPWO2008108154A1
公开(公告)日：2010-06-10
申请号：JP2009502499
申请日：2008-02-12
申请人：日本碍子株式会社
发明人：三冨　修 , 修三冨 , 青木　謙治 , 謙治青木 , 近藤　順悟 , 順悟近藤 , 雄一岩田 , 雄一岩田 , 哲也江尻 , 哲也江尻 , 井出　晃啓 , 晃啓井出
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/0316 , G02F2203/50
摘要：本発明は、電気光学材料からなる基板上に、信号電極と、前記信号電極を挟む第一及び第二の接地電極を有する光位相変調器に関する。前記第一の接地電極と前記信号電極との間の第一ギャップの大きさが、前記第二の接地電極と前記信号電極との間の第二ギャップの大きさよりも小さくなるように前記各電極を設けること、さらに第一ギャップに光位相変調部である光導波路を設けるが、第二ギャップには光導波路は設けないことにより、位相変調に必要な駆動電圧を低下させる、インピーダンス整合を容易に図る、及び良好な高周波特性を実現する、という課題を達成する。

12. 发明专利

JP2010072129A Electronic device 有权
标题翻译：电子设备
公开(公告)号：JP2010072129A
公开(公告)日：2010-04-02
申请号：JP2008237314
申请日：2008-09-17
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUGIYAMA MASAKI
IPC分类号： G02F1/03
CPC分类号： G02F1/0356 , G02F1/0316 , G02F2201/126
摘要： PROBLEM TO BE SOLVED: To reduce signal loss at a curved part of an electrode.
SOLUTION: A signal electrode 3b has a curved part 4a. A ground electrode 3c is formed with the signal electrode 3b interposed. Further, the signal electrode 3b and ground electrode 3c are so formed that a width S1 of a gap between the signal electrode 3b and ground electrode 3c at the curved part 4a is narrower than a width S2 of a gap between the signal electrode 3b and ground electrode 3c at both ends of the curved part 4a. Consequently, an electric field distribution at the curved part 4a is suppressed to reduce signal loss at the curved part 4a of the signal electrode 3b.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少电极弯曲部分的信号损失。信号电极3b具有弯曲部分4a。接地电极3c形成有信号电极3b插入。此外，信号电极3b和接地电极3c被形成为使得弯曲部分4a处的信号电极3b和接地电极3c之间的间隙的宽度S1比信号电极3b和地面之间的间隙的宽度S2窄在弯曲部分4a两端的电极3c。因此，抑制弯曲部分4a处的电场分布，以减少信号电极3b的弯曲部分4a处的信号损失。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP4430114B2 Optical waveguide element module 有权
公开(公告)号：JP4430114B2
公开(公告)日：2010-03-10
申请号：JP2008087593
申请日：2008-03-28
申请人：住友大阪セメント株式会社
发明人：亮清水 , 徹菅又 , 慎介菅野
IPC分类号： G02F1/03
CPC分类号： G02F1/0121 , G02F1/0356 , G02F1/2255

14. 发明专利

JP2009145816A Optical modulator 审中-公开
标题翻译：光学调制器
公开(公告)号：JP2009145816A
公开(公告)日：2009-07-02
申请号：JP2007325744
申请日：2007-12-18
申请人： Ngk Insulators Ltd , 日本碍子株式会社
发明人： IWATA YUICHI , MITOMI OSAMU , KONDO JUNGO , AOKI KENJI
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/122
摘要： PROBLEM TO BE SOLVED: To increase the production yield by enhancing the patterning accuracy of electrodes, and to reduce an electrode loss by increasing the thickness of electrodes in an optical modulator.
SOLUTION: The optical modulator has a substrate 5 made of an electro-optical material; a modulation electrode 2A, 3A, 2B provided on the substrate 5; and an optical waveguide 1c provided on the substrate 5. Light propagating through the optical waveguide 1c is modulated by applying a modulation voltage to the modulation electrode. At least a part of the modulation electrode includes a base 2a, 3a formed on the substrate 5 and a projection part 2b, 3b having a width narrower than that of the base.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过提高电极的图案化精度来提高生产率，并且通过增加光学调制器中的电极的厚度来减小电极损耗。光调制器具有由电光材料制成的基板5; 设置在基板5上的调制电极2A，3A，2B; 以及设置在基板5上的光波导1c。通过向调制电极施加调制电压来调制通过光波导1c传播的光。调制电极的至少一部分包括形成在基板5上的基部2a，3a和宽度窄于基部的宽度的突出部2b，3b。版权所有（C）2009，JPO＆INPIT

15. 发明专利

JP2008250258A Optical control device 有权
标题翻译：光控装置
公开(公告)号：JP2008250258A
公开(公告)日：2008-10-16
申请号：JP2007095118
申请日：2007-03-30
申请人： Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
发明人： OIKAWA SATORU , ICHIKAWA JUNICHIRO , KANEHARA YUUKI , YAMANE YUJI
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2001/212 , G02F2201/12 , G02F2202/07 , G02F2202/20
摘要： PROBLEM TO BE SOLVED: To provide an optical control device capable of realizing speed matching between microwaves and light waves and impedance matching of the microwave, reducing the drive voltage and capable of achieving impedance matching between a signal line, such as a coaxial cable introducing the microwaves into an optical modulator and a control electrode in the optical modulator.
SOLUTION: In the optical control device having a thin plate having electro-optical effects and 10 μm or smaller thickness, an optical waveguide formed on the thin plate and a control electrode for controlling light passing through the optical waveguide, the control electrode comprises first and second electrodes disposed across the thin plate; the first electrode has a coplanar type electrode comprising at least a signal electrode and a ground electrode; and the second electrode has at least a ground electrode and is configured to apply an electric field to the optical waveguide cooperatively with the signal electrode of the first electrode in a modulation region part and is configured so as to have no electrode, at least at a lower part of the signal electrode of the first electrode in a signal input/output part.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够实现微波和光波之间的速度匹配以及微波的阻抗匹配的光学控制装置，降低驱动电压并且能够实现诸如同轴的信号线之间的阻抗匹配电缆将微波引入光调制器和光调制器中的控制电极。解决方案：在具有电光效应和10μm或更小厚度的薄板的光学控制装置中，形成在薄板上的光波导和用于控制通过光波导的光的控制电极，控制电极包括横跨薄板设置的第一和第二电极; 所述第一电极具有至少包括信号电极和接地电极的共面型电极; 并且所述第二电极具有至少一个接地电极，并且被配置为在调制区域部分中与所述第一电极的信号电极协作地向所述光波导施加电场，并且被配置为不具有至少在信号输入/输出部分中的第一电极的信号电极的下部。版权所有（C）2009，JPO＆INPIT

16. 发明专利

JP2008250081A Optical control device 有权
标题翻译：光控装置
公开(公告)号：JP2008250081A
公开(公告)日：2008-10-16
申请号：JP2007092750
申请日：2007-03-30
申请人： Sumitomo Osaka Cement Co Ltd , 住友大阪セメント株式会社
发明人： OIKAWA SATORU , ICHIKAWA JUNICHIRO , KANEHARA YUUKI
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/0316 , G02F1/0327 , G02F1/2255 , G02F2201/12 , G02F2202/07
摘要： PROBLEM TO BE SOLVED: To provide an optical control device of high modulation efficiency, capable of achieving speed matching between microwaves and light waves and impedance matching of the microwaves, and moreover, capable of reducing a driving voltage.
SOLUTION: In the optical control device having a thin plate having electro-optical effects and 10 μm or smaller thickness, an optical waveguide formed on the thin plate, and a control electrode for controlling the light passing through the optical waveguide, the control electrode comprises a first electrode and a second electrode disposed across the thin plate; the first electrode has a coplanar type electrode comprising at least a first signal electrode and a ground electrode; and the second electrode has at least a second signal electrode. Modulation signals whose amplitudes are reversed to each other are input to the first signal electrode of the first electrode and the second signal electrode of the second electrode so as to cooperatively apply an electric field to the optical waveguide.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种高调制效率的光控制装置，能够实现微波与光波之间的速度匹配以及微波的阻抗匹配，而且能够降低驱动电压。解决方案：在具有电光效应和10μm或更小厚度的薄板的光控制装置中，形成在薄板上的光波导和用于控制通过光波导的光的控制电极，控制电极包括跨过薄板设置的第一电极和第二电极; 所述第一电极具有至少包括第一信号电极和接地电极的共面型电极; 并且第二电极具有至少第二信号电极。将幅度相反的调制信号输入到第一电极的第一信号电极和第二电极的第二信号电极，以便协同地向光波导施加电场。版权所有（C）2009，JPO＆INPIT

17. 发明专利

JP4027109B2 Light module with an element for changing the optical phase by the electro-optic effect 有权
公开(公告)号：JP4027109B2
公开(公告)日：2007-12-26
申请号：JP2002033079
申请日：2002-02-08
申请人：富士通株式会社
发明人：義彦海藤 , 剛人田中 , 哲男石坂
IPC分类号： G02F1/03 , G02F1/035 , G02F1/21 , G02F1/225
CPC分类号： G02F1/0316 , G02F1/0305 , G02F1/0356 , G02F1/2255 , G02F2001/212

18. 发明专利

JP2007322599A Optical device 审中-公开
标题翻译：光学装置
公开(公告)号：JP2007322599A
公开(公告)日：2007-12-13
申请号：JP2006151168
申请日：2006-05-31
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SHIRAISHI TAKASHI , HASEGAWA SATORU , DOI MASAHARU , TANAKA KAZUHIRO
IPC分类号： G02F1/035
CPC分类号： G02F1/0356
摘要： PROBLEM TO BE SOLVED: To provide an optical device which can effectively prevent deterioration in performance due to a characteristic of a reversed polarization region with respect to the optical device having the reversed polarization region.
SOLUTION: Optical waveguides A, B of a Mach-Zehnder optical modulator are usually formed on -Z surface which is a non-reversed polarization region. When a signal electrode 11 and a ground electrode 10 are disposed asymmetrically on two waveguides, however, chirp signals are undesirably produced in output light and, therefore, these electrodes are symmetrically disposed on the two waveguides. For effective optical modulation, it is necessary to partially reverse the polarization of a substrate on which an optical waveguide exists. By reversed polarization, the optical waveguide is formed on +Z surface. On the +Z surface, however, charges are accumulated and the performance of the optical modulator is adversely affected because of unstable spontaneous polarization on the reversed polarization region and, therefore, a conductive amorphous layer is formed on the surface of the reversed polarization region.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种能够有效地防止由于具有反向偏振区域的反偏振区域的特性而导致的性能劣化的光学装置。解决方案：马赫 - 策德尔光调制器的光波导A，B通常形成在非反相偏振区域的-Z表面上。然而，当信号电极11和接地电极10非对称地布置在两个波导上时，在输出光中不期望地产生线性调频信号，因此这些电极对称地设置在两个波导上。为了有效的光调制，需要部分地反转存在光波导的基板的偏振。通过反向偏振，光波导形成在+ Z表面上。然而，在+ Z表面上，由于反向偏振区域上的自发极化不稳定，因此积累了电荷并且光调制器的性能受到不利影响，因此在反向偏振区域的表面上形成导电非晶层。版权所有（C）2008，JPO＆INPIT

19. 发明专利

JP2007248944A Optical modulator 有权
标题翻译：光学调制器
公开(公告)号：JP2007248944A
公开(公告)日：2007-09-27
申请号：JP2006073926
申请日：2006-03-17
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUGIYAMA MASAKI , TANAKA KAZUHIRO
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F2201/122 , G02F2203/25
摘要： PROBLEM TO BE SOLVED: To provide an optical modulator with simple structure by which extension of a modulation band and suppression of wavelength chirp are attained at the same time.
SOLUTION: The optical modulator modulates light propagated on the optical waveguide 10 by forming a Mach-Zehnder type optical waveguide 10 on a substrate 1 having an electrooptic effect, providing a signal electrode 21 and a ground electrode 22 along a pair of branching waveguides 13a, 13b of the optical waveguide 10 and applying an electric signal S to the signal electrode 21. At the time, a first area A and a second area B are set in a mutual action part of the light and the electric signal S, polarization reversal areas R
A , R
B are formed in respective areas and an arrangement pattern of the signal electrode 21 is determined so that the directions of modulation in respective areas are reversed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有简单结构的光调制器，通过该光调制器可以同时实现调制带的延伸和波长啁啾的抑制。解决方案：光调制器通过在具有电光效应的基板1上形成马赫 - 曾德尔型光波导10来调制在光波导10上传播的光，沿着一对分支提供信号电极21和接地电极22 光波导10的波导13a，13b，并向信号电极21施加电信号S.此时，第一区域A和第二区域B设置在光和电信号S的相互作用部分中，在相应的区域中形成极化反转区域R A ，并且确定信号电极21的布置图案，使得各区域中的调制方向相反。版权所有（C）2007，JPO＆INPIT

20. 发明专利

JP3955764B2 An optical modulator equipped with an element for changing the optical phase by the electro-optic effect 有权
公开(公告)号：JP3955764B2
公开(公告)日：2007-08-08
申请号：JP2002033080
申请日：2002-02-08
申请人：富士通株式会社
发明人：忠雄中澤 , 正治土居 , 昌樹杉山
IPC分类号： G02F1/03 , G02F1/035 , G02F1/225
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/127

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