-
公开(公告)号：US20080002926A1
公开(公告)日：2008-01-03
申请号：US11389380
申请日：2006-03-24
IPC分类号： G02F1/035
CPC分类号： G02F1/035 , G02B2006/12145 , G02B2006/12147 , G02F2001/212
摘要： Provided is an optical modulator capable of efficiently separating radiation light and propagation light from each other or removing the radiation light in the optical modulator to suppress loss of the optical modulator and deterioration of an extinction ratio. In the optical modulator including a thin plate made of a material having an electrooptic effect and having a thickness of 20 μm or less; an optical waveguide formed in a top surface or a bottom surface of the thin plate; and a modulation electrode which is formed in the top surface of the thin plate to modulate light which propagates in the optical waveguide, the optical waveguide has an optical junction portion in which a plurality of optical waveguide portions are joined together and a shielding means for shielding a portion of radiation light radiated from the optical junction portion. The shielding means is a concave portion or a thorough-hole formed in the thin plate, a shortest distance from the waveguide to the shielding means is 5 to 10 μm, and the length of the shielding means in a direction perpendicular to the waveguide is at least 0.5 times the diameter of a fiber.
摘要翻译： 本发明提供一种能够有效地将辐射光和传播光彼此分离或去除光调制器中的辐射光的光调制器，以抑制光调制器的损耗和消光比的劣化。 在包括由具有电光效应并且具有20μm或更小的厚度的材料制成的薄板的光学调制器中; 形成在薄板的顶表面或底表面中的光波导; 以及调制电极，其形成在所述薄板的顶表面中以调制在所述光波导中传播的光，所述光波导具有其中多个光波导部分接合在一起的光学接合部分和用于屏蔽的屏蔽装置 从光学接合部分辐射的辐射光的一部分。 屏蔽装置是形成在薄板中的凹部或通孔，从波导到屏蔽装置的最短距离为5〜10um，屏蔽装置在垂直于波导的方向上的长度为 至少是纤维直径的0.5倍。
-
公开(公告)号：US07444039B2
公开(公告)日：2008-10-28
申请号：US11389380
申请日：2006-03-24
IPC分类号： G02F1/035
CPC分类号： G02F1/035 , G02B2006/12145 , G02B2006/12147 , G02F2001/212
摘要： An optical modulator capable of efficiently separating radiation light and propagation light from each other or removing the radiation light in the optical modulator to suppress loss of the optical modulator and deterioration of an extinction ratio, including a thin plate of a material having an electrooptic effect and a thickness of 20 μm or less; an optical waveguide formed in a top surface or a bottom surface of the thin plate; and a modulation electrode formed in the top surface of the thin plate to modulate light which propagates in the optical waveguide, the optical waveguide has an optical junction portion in which a plurality of optical waveguide portions are joined together and, for shielding a portion of radiation light radiated from the optical junction portion, a concave portion or through-hole in the thin plate.
摘要翻译： 一种光调制器，其能够有效地将辐射光和传播光彼此分离或去除光调制器中的辐射光，以抑制光调制器的损耗和消光比的劣化，包括具有电光效应的材料的薄板和 厚度20μm以下; 形成在薄板的顶表面或底表面中的光波导; 以及调制电极，形成在所述薄板的上表面，以调制在所述光波导中传播的光，所述光波导具有光接合部，所述光接合部中多个光波导部接合在一起，并且用于屏蔽所述辐射的一部分 从光学接合部辐射的光，薄板中的凹部或通孔。
-
公开(公告)号：US20070053625A1
公开(公告)日：2007-03-08
申请号：US11389726
申请日：2006-03-27
申请人： Masayuki Ichioka , Katsutoshi Kondou , Yasuhiro Ishikawa , Takashi Shinriki , Satoshi Oikawa , Junichiro Ichikawa
发明人： Masayuki Ichioka , Katsutoshi Kondou , Yasuhiro Ishikawa , Takashi Shinriki , Satoshi Oikawa , Junichiro Ichikawa
IPC分类号： G02F1/035
CPC分类号： G02F1/0311 , G02F1/035 , G02F1/225 , G02F2201/08
摘要： An optical modulator using a thin plate capable of improving an S/N ratio of an output light is provided. The optical modulator including a thin plate 1 having an electrooptic effect and having a thickness of 20 μm or less, an optical waveguide 4 formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein a stray light removing member 10 is disposed within the thin plate or in a vicinity of the thin plate.
摘要翻译： 提供一种使用能够提高输出光的S / N比的薄板的光调制器。 光调制器包括具有电光效应并且厚度为20μm或更小的薄板1，形成在薄板的顶表面或底表面上的光波导4和形成在薄板的顶表面上的调制电极 以调制通过光波导的光，其中杂散光去除构件10设置在薄板内或薄板附近。
-
公开(公告)号：US07362924B2
公开(公告)日：2008-04-22
申请号：US11389726
申请日：2006-03-27
申请人： Masayuki Ichioka , Katsutoshi Kondou , Yasuhiro Ishikawa , Takashi Shinriki , Satoshi Oikawa , Junichiro Ichikawa
发明人： Masayuki Ichioka , Katsutoshi Kondou , Yasuhiro Ishikawa , Takashi Shinriki , Satoshi Oikawa , Junichiro Ichikawa
IPC分类号： G02F1/035
CPC分类号： G02F1/0311 , G02F1/035 , G02F1/225 , G02F2201/08
摘要： An optical modulator using a thin plate capable of improving an S/N ratio of an output light is provided. The optical modulator including a thin plate 1 having an electrooptic effect and having a thickness of 20 μm or less, an optical waveguide 4 formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein a stray light removing member 10 is disposed within the thin plate or in a vicinity of the thin plate.
摘要翻译： 提供一种使用能够提高输出光的S / N比的薄板的光调制器。 光调制器包括具有电光效应并且厚度为20μm或更小的薄板1，形成在薄板的顶表面或底表面上的光波导4和形成在薄板的顶表面上的调制电极 以调制通过光波导的光，其中杂散光去除构件10设置在薄板内或薄板附近。
-
5.发明授权
公开(公告)号：US5748358A
公开(公告)日：1998-05-05
申请号：US873404
申请日：1997-06-11
CPC分类号： G02F1/0356 , G02F2201/127
摘要： An optical modulator including a substrate made of lithium niobate having an electrooptical effect, first and second optical waveguides formed in the substrate by effecting a thermal diffusion of titanium into a surface of the substrate, a buffer layer formed on the surface of the substrate, a hot electrode provided on the buffer layer and having a width W.sub.e not larger than a width W.sub.f of the optical waveguide, first and second ground electrodes provided on the buffer layer such that these ground electrodes are symmetrical with respect to the hot electrode, and an electric field adjusting region having a width not smaller than that of the hot electrode is provided between the buffer layer and the hot electrode. First and second ground side electric field adjusting main- and sub-regions may be provided between the buffer layer and the first and second ground electrodes, respectively. An interaction between an electric field generated by applied microwave and lightwave propagating along the optical waveguides can be enhanced, and thus a driving voltage can be decreased.
摘要翻译： 一种光学调制器，包括由具有电光效应的铌酸锂制成的衬底，通过实现钛到衬底的表面的热扩散而形成在衬底中的第一和第二光波导，形成在衬底的表面上的缓冲层， 设置在缓冲层上并具有宽度的热电极不大于光波导的宽度Wf，设置在缓冲层上的第一和第二接地电极，使得这些接地电极相对于热电极对称，并且电 在缓冲层和热电极之间设置具有不小于热电极的宽度的场调整区域。 可以在缓冲层和第一和第二接地电极之间分别设置第一和第二接地侧电场调整主区域和子区域。 可以增强由施加的微波产生的电场和沿着光波导传播的光波之间的相互作用，从而可以降低驱动电压。
-
公开(公告)号：US07856155B2
公开(公告)日：2010-12-21
申请号：US11992866
申请日：2006-09-27
CPC分类号： G02F1/035 , G02F1/2255 , G02F2201/066 , G02F2201/127 , G02F2202/28 , G02F2203/21
摘要： It is an object of the invention to provide a light modulator using a thin plate having a thickness of 20 μm or less and capable of stably holding a conductive film suppressing troubles such as resonance phenomenon of microwaves in a substrate and pyro-electric phenomenon and to provide a method of fabricating the light modulator. The light modulator includes: a thin plate (10) formed of a material having an electro-optic effect and having a thickness of 20 μm or less; a light waveguide (11) formed on the front or rear surface of the thin plate; and modulation electrodes (13, 14) formed on the front surface of the thin plate to modulate light passing through the light waveguide. The light modulator further includes a reinforcing plate (16) bonded to the rear surface of the thin plate and a conductive film (17) continuously formed in the range from the side surface of the thin plate to the side surface of the reinforcing plate.
摘要翻译： 本发明的目的是提供一种使用厚度为20μm以下的薄板的光调制器，并且能够稳定地保持抑制基板中的微波的共振现象和热电现象等的问题的导电膜，并且 提供一种制造光调制器的方法。 光调制器包括：由具有电光效应并且具有20μm或更小的厚度的材料形成的薄板（10）; 形成在所述薄板的前表面或后表面上的光波导（11） 以及形成在薄板的前表面上的调制电极（13,14），以调制通过光波导的光。 光调制器还包括粘合到薄板的后表面的加强板（16）和在从薄板的侧表面到加强板的侧表面的范围内连续形成的导电膜（17）。
-
公开(公告)号：US07660493B2
公开(公告)日：2010-02-09
申请号：US11389809
申请日：2006-03-27
CPC分类号： G02F1/035
摘要： An optical modulator is provided. The optical modulator includes a thin plate made of an electrooptic material and having a thickness of 20 μm or less, an optical waveguide formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein, in a shape of the thin plate, a width of the thin plate at an optical input portion or optical output portion of the optical waveguide is two time or less the thickness of the thin plate.
摘要翻译： 提供了一种光调制器。 光调制器包括由电光材料制成的厚度为20μm或更小的薄板，形成在薄板的顶表面或底表面上的光波导和形成在薄板的顶表面上的调制电极 以调制通过光波导的光，其中，在薄板的形状中，光波导的光输入部或光输出部处的薄板的宽度为薄板的厚度的2倍以下。
-
公开(公告)号：US20090129718A1
公开(公告)日：2009-05-21
申请号：US11992866
申请日：2006-09-27
CPC分类号： G02F1/035 , G02F1/2255 , G02F2201/066 , G02F2201/127 , G02F2202/28 , G02F2203/21
摘要： It is an object of the invention to provide a light modulator using a thin plate having a thickness of 20 μm or less and capable of stably holding a conductive film suppressing troubles such as resonance phenomenon of microwaves in a substrate and pyro-electric phenomenon and to provide a method of fabricating the light modulator. The light modulator includes: a thin plate (10) formed of a material having an electro-optic effect and having a thickness of 20 μm or less; a light waveguide (11) formed on the front or rear surface of the thin plate; and modulation electrodes (13, 14) formed on the front surface of the thin plate to modulate light passing through the light waveguide. The light modulator further includes a reinforcing plate (16) bonded to the rear surface of the thin plate and a conductive film (17) continuously formed in the range from the side surface of the thin plate to the side surface of the reinforcing plate.
摘要翻译： 本发明的目的是提供一种使用厚度为20μm或更小的薄板的光调制器，并且能够稳定地保持抑制诸如基板中的微波共振现象和热电现象等的麻烦的导电膜，并且 提供一种制造光调制器的方法。 光调制器包括：由具有电光效应并具有20μm或更小的厚度的材料形成的薄板（10）; 形成在所述薄板的前表面或后表面上的光波导（11） 以及形成在薄板的前表面上的调制电极（13,14），以调制通过光波导的光。 光调制器还包括粘合到薄板的后表面的加强板（16）和在从薄板的侧表面到加强板的侧表面的范围内连续形成的导电膜（17）。
-
公开(公告)号：US20070122072A1
公开(公告)日：2007-05-31
申请号：US11389809
申请日：2006-03-27
IPC分类号： G02F1/035
CPC分类号： G02F1/035
摘要： An optical modulator is provided. The optical modulator includes a thin plate made of an electrooptic material and having a thickness of 20 μm or less, an optical waveguide formed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein, in a shape of the thin plate, a width of the thin plate at an optical input portion or optical output portion of the optical waveguide is two time or less the thickness of the thin plate.
摘要翻译： 提供了一种光调制器。 光调制器包括由电光材料制成的厚度为20μm或更小的薄板，形成在薄板的顶表面或底表面上的光波导和形成在薄板的顶表面上的调制电极 以调制通过光波导的光，其中，在薄板的形状中，光波导的光输入部或光输出部处的薄板的宽度为薄板的厚度的2倍以下。
-
公开(公告)号：US20120087615A1
公开(公告)日：2012-04-12
申请号：US13200766
申请日：2011-09-30
IPC分类号： G02F1/025
CPC分类号： G02F1/035 , G02F1/0311 , G02F2202/10
摘要： An object of present invention is to provide an optical waveguide element that suppresses damage to an optical waveguide element by a pyroelectric effect due to a reinforcement substrate.Provided is an optical waveguide element in which an optical waveguide substrate is bonded to a reinforcement substrate having an electro-optical effect via an adhesive layer, the optical waveguide substrate having an optical waveguide formed on a substrate having the electro-optical effect and having a thickness of 30 μm or less, wherein a semiconductor layer is provided on a surface of the adhesive layer side of the reinforcement substrate.
摘要翻译： 本发明的目的是提供一种光波导元件，其通过加强基板的热电效应来抑制对光波导元件的损伤。 本发明提供一种光波导元件，其中光波导基片经由粘合剂层与具有电光效应的加强基板接合，所述光波导基板具有形成在具有电光效应的基板上的光波导，并具有 厚度为30μm以下，其中，在加强基板的粘合剂层侧的表面上设置有半导体层。
-
-
-
-
-
-
-
-
-
搜索结果
17 条记录 (耗时 0.022 秒)
