-
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。
-
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：US08406578B2
公开(公告)日：2013-03-26
申请号：US12736335
申请日：2009-03-06
IPC分类号： G02F1/035
CPC分类号： G02F1/225 , G02F2001/212 , G02F2201/063
摘要： It is intended to suppress the influence of a photorefractive phenomenon or the coupling of stray light to signal light. A Mach-Zehnder waveguide type optical modulator is provided which includes a thin plate 1 with a thickness of 20 μm or less formed of a material having an electro-optical effect, an optical waveguide 2 formed on a front surface or a rear surface of the thin plate, and a modulation electrode modulating light passing through the optical waveguide. The optical waveguide includes an input optical waveguide 21, branched optical waveguides 23 to 28, and an output optical waveguide 30. The branched optical waveguide includes an input branching portion (region B) in which the input optical waveguide is branched into a plurality of optical waveguides, an output merging portion (region D) in which the plurality of optical waveguides connected to the output optical waveguide are merged, and a parallel portion (region C) formed between the input branching portion and the output merging portion. At least one of the input branching portion and the output merging portion has a ratio l/d of a length l along a symmetry axis of the branched optical waveguides to a gap d of the optical waveguide in the parallel portion in the range of 33 to 100.
摘要翻译： 旨在抑制光折射现象或杂散光耦合到信号光的影响。 提供了一种马赫 - 曾德尔波导型光调制器，其包括由具有电光效应的材料形成的厚度为20μm或更小的薄板1，形成在该光学效应的前表面或后表面上的光波导2 以及调制通过光波导的光的调制电极。 光波导包括输入光波导21，分支光波导23至28和输出光波导30.分支光波导包括输入分支部分（区域B），其中输入光波导分支成多个光学 波导，与输出光波导连接的多个光波导合并在一起的输出合并部分（区域D）和形成在输入分支部分和输出合并部分之间的平行部分（区域C）。 输入分支部分和输出合并部分中的至少一个具有沿着分支光波导的对称轴的长度l与平行部分中的光波导的间隙d的比率l / d在33至 100。
-
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：US20110103735A1
公开(公告)日：2011-05-05
申请号：US12736335
申请日：2009-03-06
IPC分类号： G02F1/035
CPC分类号： G02F1/225 , G02F2001/212 , G02F2201/063
摘要： It is intended to suppress the influence of a photorefractive phenomenon or the coupling of stray light to signal light. A Mach-Zehnder waveguide type optical modulator is provided which includes a thin plate 1 with a thickness of 20 μm or less formed of a material having an electro-optical effect, an optical waveguide 2 formed on a front surface or a rear surface of the thin plate, and a modulation electrode modulating light passing through the optical waveguide. The optical waveguide includes an input optical waveguide 21, branched optical waveguides 23 to 28, and an output optical waveguide 30. The branched optical waveguide includes an input branching portion (region B) in which the input optical waveguide is branched into a plurality of optical waveguides, an output merging portion (region D) in which the plurality of optical waveguides connected to the output optical waveguide are merged, and a parallel portion (region C) formed between the input branching portion and the output merging portion. At least one of the input branching portion and the output merging portion has a ratio l/d of a length l along a symmetry axis of the branched optical waveguides to a gap d of the optical waveguide in the parallel portion in the range of 33 to 100.
摘要翻译： 旨在抑制光折射现象或杂散光耦合到信号光的影响。 提供了一种马赫 - 曾德尔波导型光调制器，其包括由具有电光效应的材料形成的厚度为20μm或更小的薄板1，形成在该光学效应的前表面或后表面上的光波导2 以及调制通过光波导的光的调制电极。 光波导包括输入光波导21，分支光波导23至28和输出光波导30.分支光波导包括输入分支部分（区域B），其中输入光波导分支成多个光学 波导，与输出光波导连接的多个光波导合并在一起的输出合并部分（区域D）和形成在输入分支部分和输出合流部分之间的平行部分（区域C）。 输入分支部分和输出合并部分中的至少一个具有沿着分支光波导的对称轴的长度l与平行部分中的光波导的间隙d的比率l / d在33至 100。
-
公开(公告)号：US08644647B2
公开(公告)日：2014-02-04
申请号：US12225787
申请日：2007-03-30
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/063 , G02F2201/066 , G02F2201/121
摘要： It is an object to provide an optical control device capable of realizing speed matching between a microwave and a light wave or impedance matching of microwaves and of reducing a driving voltage. An optical control device including a thin plate 1 (11) which has an electro-optical effect and has a thickness of 10 μm or less, an optical waveguide 2 formed in the thin plate, and control electrodes for controlling light passing through the optical waveguide is characterized in that the control electrodes are configured to include a first electrode and a second electrode disposed to interpose the thin plate therebetween, the first electrode has a coplanar type electrode including at least a signal electrode 4 and a ground electrode 5, and the second electrode has at least a ground electrode 54 (55, 56) and is configured to apply an electric field to the optical waveguide in cooperation with the signal electrode of the first electrode.
摘要翻译： 本发明的目的是提供一种能够实现微波和光波之间的速度匹配或微波的阻抗匹配以及降低驱动电压的光学控制装置。 一种光学控制装置，包括具有电光效应并且具有10μm或更小的厚度的薄板1（11），形成在薄板中的光波导2和用于控制通过光波导的光的控制电极 其特征在于，控制电极被配置为包括第一电极和设置成将薄板夹在其间的第二电极，第一电极具有至少包括信号电极4和接地电极5的共面型电极，第二电极 电极至少具有接地电极54（55,56），并且被配置为与第一电极的信号电极协作地向光波导施加电场。
-
公开(公告)号：US20100232736A1
公开(公告)日：2010-09-16
申请号：US12225787
申请日：2007-03-30
IPC分类号： G02F1/035
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2201/063 , G02F2201/066 , G02F2201/121
摘要： It is an object to provide an optical control device capable of realizing speed matching between a microwave and a light wave or impedance matching of microwaves and of reducing a driving voltage. An optical control device including a thin plate 1 (11) which has an electro-optical effect and has a thickness of 10 μm or less, an optical waveguide 2 formed in the thin plate, and control electrodes for controlling light passing through the optical waveguide is characterized in that the control electrodes are configured to include a first electrode and a second electrode disposed to interpose the thin plate therebetween, the first electrode has a coplanar type electrode including at least a signal electrode 4 and a ground electrode 5, and the second electrode has at least a ground electrode 54 (55, 56) and is configured to apply an electric field to the optical waveguide in cooperation with the signal electrode of the first electrode.
摘要翻译： 本发明的目的是提供一种能够实现微波和光波之间的速度匹配或微波的阻抗匹配以及降低驱动电压的光学控制装置。 一种光学控制装置，包括具有电光效应并且具有10μm以下的厚度的薄板1（11），形成在薄板中的光波导2，以及控制电极，用于控制通过光波导的光 其特征在于，控制电极被配置为包括第一电极和设置成将薄板夹在其间的第二电极，第一电极具有至少包括信号电极4和接地电极5的共面型电极，第二电极 电极至少具有接地电极54（55,56），并且被配置为与第一电极的信号电极协作地向光波导施加电场。
-
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。
-
-
-
-
-
-
-
-
-
搜索结果
35 条记录 (耗时 0.025 秒)