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151.发明公开Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements 有权一种光波导元件，光波长变换元件和制造光学波导元件的方法
公开(公告)号：EP1139162A3
公开(公告)日：2003-12-03
申请号：EP01302541.6
申请日：2001-03-20
Inventor： Mizuuchi, Kiminori , Yamamoto, Kazuhisa , Kawaguchi, Tatsuo, c/o NGK Insulators, Ltd. , Yoshino, Takashi, c/o NGK Insulators, Ltd. , Imaeda, Minoru, c/o NGK Insulators, Ltd. , Aoki, Kenji, c/o NGK Insulators, Ltd. , Mitomo, Osamu, c/o NGK Insulators, Ltd.
IPC: G02F1/377
CPC classification number: G02F1/3775 , G02F1/3525 , G02F2201/07
Abstract: An optical waveguide element (1A) includes a three-dimensional waveguide (4) of a non-linear optical crystal, a substrate (2), and a joining layer (3) made of an amorphous material through which the substrate is joined to the optical waveguide. Optical damage at high output is suppressed.
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公开(公告)号：EP1348992A1
公开(公告)日：2003-10-01
申请号：EP01273335.8
申请日：2001-11-28
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： MIYAMA, Yasuyuki, SUMITOMO OSAKA CEMENT CO.,LTD , NAGATA, Hirotoshi, SUMITOMO OSAKA CEMENT CO.,LTD , SAKAMOTO, Toshihiro, SUMITOMO OSAKA CEMENT CO.,LTD
IPC: G02F1/035
CPC classification number: G02F1/0322 , G02F1/035 , G02F1/0356 , G02F2201/07 , G02F2201/16 , G02F2203/21 , G02F2203/50
Abstract: A first film (8) is formed between a substrate (1) and a signal electrode (3); ground electrodes (5) and (6) which constitute an optical waveguide device (10), and a second film (9) is formed between the substrate (1) and a signal electrode (4); ground electrodes (6) and (7). An optical phase modulator (10A) is composed of the substrate (1), an optical waveguide (2), the signal electrode (3), the ground electrodes (5) and (6), and the first film (8). An optical intensity modulator (10B) is composed of the substrate (1), the optical waveguide (2), the signal electrode (4), the ground electrodes (6) and (7), and the second film (9). The optical waveguide device (10) is composed of the optical phase modulator (10A) and the optical intensity modulator (10B), which are integrated monolithically.
Abstract translation: 第一膜（8）形成在基板（1）和信号电极（3）之间; 构成光波导装置（10）的接地电极（5）和（6），在基板（1）和信号电极（4）之间形成第二膜（9）。 接地电极（6）和（7）。 光学相位调制器（10A）由基板（1），光波导（2），信号电极（3），接地电极（5）和（6）和第一膜（8）组成。 光强度调制器（10B）由基板（1），光波导（2），信号电极（4），接地电极（6）和（7）和第二膜（9）构成。 光波导装置（10）由光学相位调制器（10A）和光强度调制器（10B）构成，其一体地集成。
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153.发明公开
公开(公告)号：EP1322993A1
公开(公告)日：2003-07-02
申请号：EP01968812.6
申请日：2001-09-12
Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Inventor： BETTS, Gary, E.
CPC classification number: B82Y10/00 , G02F1/2255 , G02F2201/07 , G02F2201/127
Abstract: This is an electro-optic modulator having an electro-optic substrate such as lithium niobate (100), an optical waveguide (200) defined within the substrate, an electrode structure including a microwave transmission line (300) elevated from the substrate by conductive legs (350A). In one embodiment, a low-dielectric constant buffer layer (400) is disposed between the substrate and the transmission line. The conductive legs extend from the transmission line to a surface of the substrate toward the wavequide, through the buffer layer. The microwave transmission line is elevated from the substrate at a distance such that the electrical propagation velocity is at a maximum. The high electrical velocity is offset by a loading capacitance introduced by the conductive legs which slows the electrical velocity down on the transmission line to match the optical velocity. Pairs of opposing conductive legs provide a strong electric filed for modulating the optical signal.
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154.发明公开ELECTRO-OPTICAL DEVICES USING NON-CONDUCTIVE AND CONDUCTIVE POLYMER BUFFER LAYERS 审中-公开与非管理人员和缓冲层光电器件
公开(公告)号：EP1171796A1
公开(公告)日：2002-01-16
申请号：EP00922177.1
申请日：2000-04-15
Applicant: JDS Uniphase Corporation
Inventor： HALLEMEIER, Peter , YI-YAN, Alfredo , HUSSELL, Chris , KISSA, Karl , LIN, Jack
CPC classification number: G02F1/035 , G02F1/0356 , G02F1/2255 , G02F2201/07 , G02F2203/21
Abstract: An electro-optic device such as a Mach-Zehnder interferometer that includes a lithium niobate substrate having an optical waveguide that is formed in an upper surface of the substrate is described. The device includes a polymer buffer layer formed on the upper surface of the substrate. The polymer may be non-conductive or conductive. An electrode is formed on an upper surface of the buffer layer and is positioned to receive an RF signal that induces an electrical field in the optical waveguide. A conductive charge bleed-off layer may be formed between the buffer layer and the electrode in order to bleed-off pyroelectric charge. A semiconductor charge bleed-off layer may be formed between the substrate and the buffer layer.
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公开(公告)号：EP0713123B1
公开(公告)日：2001-08-16
申请号：EP95118157.7
申请日：1995-11-17
Applicant: NEC CORPORATION
Inventor： Nishimoto, Hiroshi
CPC classification number: G02F1/035 , G02F1/225 , G02F1/3132 , G02F1/3136 , G02F2201/07 , G02F2203/21
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Patent Agency Ranking
公开(公告)号：EP0576685B1
公开(公告)日：2000-06-14
申请号：EP93902504.5
申请日：1993-01-20
Applicant: IBIDEN CO., LTD.
Inventor： NAKUMURA, Masanori, Ibiden Co., Ltd.
CPC classification number: G02F1/035 , G02F1/3132 , G02F2201/07 , G02F2202/20
Abstract: A power-saving, miniaturized, high-performance light directional coupler. At least two closely-arranged parallel light waveguides of an LiNbO3 monocrystal film are formed in an LiTaO3 mono-crystalline substrate or on the substrate. Means for varying the refractive index of the waveguide is provided at least on one of the light waveguides. In addition, the crystal lattice of the LiTaO3 monocrystal substrate and that of the LiNbO3 monocrystal film constituting the light waveguides are matched with each other.
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公开(公告)号：EP0889349A2
公开(公告)日：1999-01-07
申请号：EP98112300.3
申请日：1998-07-02
Applicant: FUJITSU LIMITED
Inventor： Nakazawa, Tadao, c/o Fujitsu Limited , Seino, Minoru, c/o Fujitsu Limited , Taniguchi, Shinji, c/o Fujitsu Limited
IPC: G02F1/125
CPC classification number: G02F1/125 , G02F2201/07
Abstract: An acousto-optical device includes a light waveguide path formed on an acousto-optical substrate, a transducer which crosses the light waveguide path and propagates a surface acoustic wave along the light waveguide path, and a buffer layer provided so that finger electrodes of the transducer are spaced apart from the light waveguide path in crossing portions in which the finger electrodes cross the light waveguide path. The finger electrodes have other portions which directly contact the substrate.
Abstract translation: 一种声光器件包括：形成在声光基板上的光波导路径;与光波导路径交叉并沿着光波导路径传播声表面波的换能器;以及缓冲层，设置为使得换能器的指状电极 在指状电极穿过光波导路径的交叉部分与光波导路径间隔开。 指状电极具有直接接触基板的其他部分。
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公开(公告)号：EP0640860A3
公开(公告)日：1995-08-30
申请号：EP94113380.3
申请日：1994-08-26
Applicant: NEC CORPORATION
CPC classification number: G02F1/035 , G02F1/225 , G02F1/3132 , G02F1/3136 , G02F1/3137 , G02F2201/07 , G02F2203/21
Abstract: In a waveguide-type optical device, two optical waveguides (2a,2b) are formed in a substrate (1) of LiNbO₃ or LiTaO₃. On the substrate and the two waveguides, a blocking layer (7) is formed to block a diffusion of Li ions from the substrate. On the blocking layer, a buffer layer (3) made from SiO₂ is formed. Each of electrodes (4a,4b) from which operation voltages are supplied covers each coupling part of the two optical waveguides, respectively via the blocking layer (7) and the buffer layer (3).
Abstract translation: 在波导型光学器件中，在LiNbO 3或LiTaO 3的衬底中形成两个光波导。 在衬底和两个波导上，形成阻挡层以阻挡Li离子从衬底的扩散。 在阻挡层上形成由SiO 2制成的缓冲层。 供给操作电压的每个电极分别通过阻挡层和缓冲层覆盖两个光波导的每个耦合部分。
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公开(公告)号：EP0658793A1
公开(公告)日：1995-06-21
申请号：EP94919862.6
申请日：1994-07-07
Applicant: TOKIN CORPORATION
Inventor： TOKANO, Yuichi , MURAMATSU, Ryoji , TANABE, Takanobu , TAKEDA, Tsugio
CPC classification number: G02F1/2255 , G02F1/225 , G02F2001/212 , G02F2201/07 , G02F2202/07 , G02F2203/20 , G02F2203/21
Abstract: A modulator comprising a substrate (4); a waveguide (5) formed on the substrate for receiving incident light; two phase-shift light waveguides (6) diverging from the incident light waveguide (5) and formed on the substrate (4), the phases of light transmitted through the waveguides (6) change with the intensity of electric field; and an exit light waveguide (7) formed on the substrate (4) where the phase-shift light waveguides (6) joins each other. At least one of the phase-shift light waveguides (6) has a part (8) where the polarization is inverted. A transparent film may be formed on one or plural areas on the phase-shift light waveguides (6). A buffer layer (14) may be provided on the phase-shift light waveguides (6) or near it. On the part where no buffer layer (14) is provided, a film of transparent material may be formed partly or entirely in order to exert stress on the phase-shift light waveguides (6). Partly on one of the phase-shift light waveguides (6), there may be provided a member which exerts stress on it. A device (26) may also be provided for irradiating partly or entirely the phase-shift light waveguides (6) with light.
Abstract translation: 一种调制器，包括基底（4）; 形成在所述基板上用于接收入射光的波导（5） 从入射光波导（5）发散并形成在基板（4）上的两个相移光波导（6），透过波导（6）的光的相位随电场强度而变化; 以及形成在所述基板（4）上的相移光波导（6）相互连接的出射光波导（7）。 相移光波导（6）中的至少一个具有偏振反转的部分（8）。 可以在相移光波导（6）上的一个或多个区域上形成透明膜。 缓冲层（14）可以设置在相移光波导（6）上或其附近。 在没有设置缓冲层（14）的部分，可以部分或全部地形成透明材料膜，以便在相移光波导（6）上施加应力。 部分地在相移光波导（6）中的一个上，可以提供在其上施加应力的构件。 还可以提供一种装置（26），用于用光部分或全部照射相移光波导（6）。
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公开(公告)号：EP0576685A1
公开(公告)日：1994-01-05
申请号：EP93902504.5
申请日：1993-01-20
Applicant: IBIDEN CO., LTD.
Inventor： NAKUMURA, Masanori, Ibiden Co., Ltd.
CPC classification number: G02F1/035 , G02F1/3132 , G02F2201/07 , G02F2202/20
Abstract: A power-saving, miniaturized, high-performance light directional coupler. At least two closely-arranged parallel light waveguides of an LiNbO₃ monocrystal film are formed in an LiTaO₃ mono-crystalline substrate or on the substrate. Means for varying the refractive index of the waveguide is provided at least on one of the light waveguides. In addition, the crystal lattice of the LiTaO₃ monocrystal substrate and that of the LiNbO₃ monocrystal film constituting the light waveguides are matched with each other.
Abstract translation: 节能，小型化，高性能的光定向耦合器。 在LiTaO3单晶衬底或衬底上形成LiNbO3单晶膜的至少两个紧密排列的平行光波导。 用于改变波导的折射率的装置设置在至少一个光波导上。 此外，LiTaO 3单晶基板的晶格和构成光波导的LiNbO 3单晶膜的晶格彼此匹配。
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