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71. 发明专利

JP2005321640A Optical waveguide element 审中-公开
标题翻译：光学元件
公开(公告)号：JP2005321640A
公开(公告)日：2005-11-17
申请号：JP2004140037
申请日：2004-05-10
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ARAI HIDEAKI , UETSUKA NAOTO , CHIBA TAKASHI , NAMISE HIDEKI , OUCHI SATORU , HIKAGE MASAHIRO
IPC分类号： G02B6/12 , G02B6/122
摘要： PROBLEM TO BE SOLVED: To provide an optical waveguide element which are hardly affected by deformation or stress due to a metallic plate or a heater and by temperature distribution at the time of heating by the heater. SOLUTION: In the optical waveguide element, a metallic plate or a heater is stuck to the body of the optical waveguide element (the body), with its stress and temperature controlled, wherein the body is formed with, on a substrate, one or more input waveguides, output waveguides, and phase contrast imparting waveguides to be connected to the input/output waveguides. Where d is the thickness of the body and s is an interval between the end face of the body and the phase contrast imparting waveguide closest to the end face, the body is formed in a manner that s≥d if the thickness d and a prescribed thickness d 0 are d≤d 0 and that s≥d 0 if d≥d 0 . COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供几乎不受金属板或加热器的变形或应力影响以及加热器加热时的温度分布的光波导元件。解决方案：在光波导元件中，金属板或加热器被粘附到光波导元件（主体）的主体上，其应力和温度被控制，其中主体在基板上形成，一个或多个输入波导，输出波导和相位差施加波导连接到输入/输出波导。其中d是主体的厚度，s是主体的端面与最靠近端面的相位差赋予波导之间的间隔，如果厚度d和规定的那样，主体形成为s≥d 如果d≥d 0 ，厚度d 0 是d≤d 0 ，并且s≥d 0 。版权所有（C）2006，JPO＆NCIPI

72. 发明专利

JP2005250504A Optical multiplexer demultiplexer 有权
标题翻译：光学多路复用器解复用器
公开(公告)号：JP2005250504A
公开(公告)日：2005-09-15
申请号：JP2005118330
申请日：2005-04-15
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ARAI HIDEAKI , CHIBA TAKASHI , UETSUKA NAOTO
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To realize an optical multiplexer demultiplexer which is reduced in wavelength dispersion of output light and an optical multiplexer demultiplexer enabled to function for multiplexing and demultiplexing at the same time, the optical multiplexer demultiplexers being characterized in that wavelength dispersion is extremely small. SOLUTION: The optical multiplexer demultiplexer has optical paths including waveguides and comprises a plurality of optical multiplexing and demultiplexing circuits, each optical multiplexing and demultiplexing circuit has 1st to 4th ports, the 1st and 2nd ports being connected to the 3rd and 4th ports through the optical paths including the waveguides, and an output optical path being different according to a port to which an optical signal with a specified wavelength is inputted. When one of ports of a multiplexing and demultiplexing circuit of a 1st stage is connected to one of ports of a multiplexing and demultiplexing circuit of a 2nd stage and a signal is inputted to another port of the multiplexing and demultiplexing circuit of the 1st stage, an optical path of the multiplexing and demultiplexing circuit of the 1st stage that the signal passes through and an optical path of the multiplexing and demultiplexing circuit of the 2nd stage that the signal passes through have opposite wavelength dispersion characteristics. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了实现降低输出光的波长色散的光复用器解复用器和能够同时用于复用和解复用功能的光复用器解复用器，光复用器解复用器的特征在于波长色散是非常小的解决方案：光复用器解复用器具有包括波导的光路，并且包括多个光复用和解复用电路，每个光复用和解复用电路具有第一至第四端口，第一和第二端口连接到第三和第四端口通过包括波导的光路，并且输出光路根据输入了特定波长的光信号的端口而不同。当第一级的复用和解复用电路的一个端口连接到第二级的复用和解复用电路的一个端口，并且信号被输入到第一级的复用和解复用电路的另一个端口时，信号通过的第一级的复用和解复用电路的光路和信号通过的第二级的复用和解复用电路的光路具有相反的波长色散特性。版权所有（C）2005，JPO＆NCIPI

73. 发明专利

JP2004325899A Array type wavelength multiplexer/demultiplexer, and its manufacturing method 审中-公开
标题翻译：阵列型波长多路复用器/解复用器及其制造方法
公开(公告)号：JP2004325899A
公开(公告)日：2004-11-18
申请号：JP2003121972
申请日：2003-04-25
申请人： Hitachi Cable Ltd , Photonic Lattice Inc , 日立電線株式会社 , 株式会社フォトニックラティス
发明人： KAWAKAMI SHOJIRO , ODERA YASUO , OKUBO HIROYUKI , CHIBA TAKASHI , UETSUKA NAOTO
IPC分类号： G02B6/30 , G02B5/28 , G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide an array type wavelength multiplexer/demultiplexer, in which cross talk is made large and production is made easy, and to provide its manufacturing method. SOLUTION: A photonic crystal filter 21 is provided at the end face of a channel type optical waveguide group 22 side of an array type wavelength multiplexer/demultiplexer main body substrate 26 so that a filter substrate 30 and an array type wavelength multiplexer/demultiplexer main body substrate 26 make a right angle. Thereby, diffraction loss is reduced and a process to form dividing grooves on the array type wavelength multiplexer/demultiplexer is eliminated and an array type wavelength multiplixer/demultiplexer which has low loss and is easily produced is obtained. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种阵列型波长多路复用器/解复用器，其中串扰大并且容易制造，并提供其制造方法。解决方案：在阵列型波长多路复用器/解复用器主体基板26的通道型光波导组22侧的端面处设置有光子晶体滤波器21，使得滤波器基板30和阵列型波长多路复用器/ 解复用器主体基板26成直角。从而，减少了衍射损耗，并且消除了在阵列型波长多路复用器/解复用器上形成分割槽的处理，并且获得了具有低损耗并容易产生的阵列型波长倍增器/解复用器。版权所有（C）2005，JPO＆NCIPI

74. 发明专利

JP2004101949A Waveguide type optical element 审中-公开
公开(公告)号：JP2004101949A
公开(公告)日：2004-04-02
申请号：JP2002264574
申请日：2002-09-10
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： MARU KOICHI , CHIBA TAKASHI , UETSUKA NAOTO
IPC分类号： G02F1/01
摘要： PROBLEM TO BE SOLVED: To provide a waveguide type optical element capable of suppressing heat diffusion in an optical phase shifter using a thermooptical effect and realizing a variable gain equalizer and a dispersion compensator capable of easily obtaining a prescribed optical frequency characteristic. SOLUTION: An optical wave conduction structure is formed, wherein a plurality of channel waveguides 7 and a channel waveguide 4 are connected between channel waveguides 1 and 2 for input/output on a substrate 9 to and from which light is inputted and outputted via multiplexing/demultiplexing devices 6a and 6b multiplexing/demultiplexing light and without via the multiplexing/ demultiplexing devices 6a and 6b, respectively. Heaters 8 generating heat by supplying current are formed on at least a portion of the channel waveguides 4 and 7. Grooves 11 are formed on the both sides of the channel waveguides 4 and 7 on which the heaters 8 are formed along the channel waveguides 4 and 7 and gaps connected to the grooves 11 on the both sides are formed under the channel waveguides 4 and 7 having the grooves 11 formed on the both sides thereof. The heat generated from the heaters 8 is insulated by the the grooves 11 on the both sides and the gaps. COPYRIGHT: (C)2004,JPO

75. 发明专利

JP2003185950A WAVEGUIDE TYPE OPTICAL SWITCH 审中-公开
公开(公告)号：JP2003185950A
公开(公告)日：2003-07-03
申请号：JP2001384800
申请日：2001-12-18
申请人： HITACHI CABLE
发明人： HAJIKAWA SATORU , UETSUKA NAOTO
IPC分类号： G02B26/08
摘要： PROBLEM TO BE SOLVED: To provide a waveguide type optical switch in which a return light by reflection occurring at the optically coupled part between an input waveguide and an output waveguide is remarkably decreased, and at the same time a crosstalk between output waveguides is suppressed. SOLUTION: In the waveguide type optical switch in which any one of a plurality of output waveguides 115 through 118 formed in a main body 100 and input waveguides 104a and 105a of a switch movable part 130 integrally formed with the main body 100 are coupled by moving the switch movable part 130 with a moving means, the end faces 120 and 121 of the input waveguide and the end faces 124 through 127 of the output waveguides are each formed obliquely with respect to an optical axis, difference in level is formed between each of the end faces 124 through 127 so that the end faces 124 through 127 of the output waveguide are not arranged on a same plane. COPYRIGHT: (C)2003,JPO

76. 发明专利

JP2002250903A OPTICAL WAVEGUIDE ELEMENT 失效
公开(公告)号：JP2002250903A
公开(公告)日：2002-09-06
申请号：JP2001051482
申请日：2001-02-27
申请人： HITACHI CABLE
发明人： OKAWA MASAHIRO , HAJIKAWA SATORU , TAKASUGI SATORU , UETSUKA NAOTO
IPC分类号： G02B6/12 , G02F1/01 , G02F1/313
摘要： PROBLEM TO BE SOLVED: To provide an optical waveguide element in which the waveguide element is integrated and miniaturized and heat isolation is efficiently obtained. SOLUTION: In the optical waveguide element in which an optical circuit 9 consisting of a waveguide is provided on a substrate 5 and heaters 3 for heating the waveguide 2 of the optical circuit 9 and a heat sink 4 for obtaining heat radiation are provided, the heat sink 4 is stuck onto the upper surface of the optical waveguide element.

77. 发明专利

JP2002169041A METHOD FOR ADJUSTING PROPAGATING LOSS OF OPTICAL WAVEGUIDE 失效
公开(公告)号：JP2002169041A
公开(公告)日：2002-06-14
申请号：JP2000369964
申请日：2000-12-05
申请人： HITACHI CABLE
发明人： CHIBA TAKASHI , ARAI HIDEAKI , OHIRA KENTARO , OKANO HIROAKI , UETSUKA NAOTO
IPC分类号： G02B6/12 , G02B6/13
摘要： PROBLEM TO BE SOLVED: To provide a method for adjusting a propagating loss of an optical waveguide by which the propagating loss of the optical waveguide in an optical multiplexer/demultiplexer such as an AWG type or an MZI type is effectively adjusted at a prescribed level. SOLUTION: In the AWG type optical multiplexer/demultiplexer which is composed by forming on a substrate 11 an array waveguide 14 in which a plurality of waveguides 141, 142 to 14n are arrayed with the length changed a prescribed length each and plural and single input and output channel waveguides 121, 122 to 12n and 13 which are arrayed at both ends of the array waveguide 14 via slab waveguides 15 and 16, each of a plurality of input and output channel waveguides 121, 122 to 12n is irradiated by CO2 laser 7, whereby these propagating losses are increased, and the propagating losses among respective input and output channel waveguides 121, 122 to 12n are adjusted at the prescribed level so as to become homogeneous.

78. 发明专利

JP2002139637A WAVEGUIDE TYPE OPTICAL MULTIPLEXER/DEMULTIPLEXER 失效
公开(公告)号：JP2002139637A
公开(公告)日：2002-05-17
申请号：JP2000331878
申请日：2000-10-31
申请人： HITACHI CABLE
发明人： NAMISE HIDEKI , TAKASUGI SATORU , UETSUKA NAOTO
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide a waveguide type optical multiplexer/demultiplexer, capable of obtaining desired demultiplexed waveguide characteristics by reducing a temperature gradient on the surface of a waveguide element. SOLUTION: In the waveguide-type optical multiplexer/demultiplexer, where the optical waveguide element 11 is fixed to an inner casing body 13 by an adhesive 12, the inner casing body 13 is fixed to an outer casing body 4, a heat insulating layer 6 is filled and formed in the space between the outer casing body 4 and the inner casing body 13, a heating body 7 or a cooling body is fixed to the inner casing body 13 and the temperature of the optical waveguide element 11 is controlled by the heating body 7 or the cooling body, the inner casing body 13 is formed of a material of >=200 W/m.K thermal conductivity and

79. 发明专利

JP2002122749A OPTICAL WAVELENGTH MULTIPLEXER/DEMULTIPLEXER 失效
公开(公告)号：JP2002122749A
公开(公告)日：2002-04-26
申请号：JP2000317955
申请日：2000-10-18
申请人： HITACHI CABLE
发明人： MARU KOICHI , OKAWA MASAHIRO , UETSUKA NAOTO
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide an array waveguide diffraction grating type optical waveguide multiplexer/demultiplexer, where the constitution and arrangement for an optical circuit are reasonable, a demultiplexed wavelength to the change of temperature in a prescribed wavelength is correctly controlled, manufacture is easy, desired characteristics are provided and propagation loss is small. SOLUTION: In the optical wavelength multiplexer/demultiplexer, which forms plural light having different wavelengths by demultiplexing inputted wavelength multiplexed light and outputs wavelength multiplexed light, by multiplexing plural light having different wavelengths, the optical wavelength multiplexer/demultiplexer is provided with a substrate 10 for the optical circuit, an array waveguide diffraction grating 5 which is composed of plural array waveguides 4, using plural channel waveguides formed on the substrate 10 as a base, an input side slab waveguide 3 which is arranged on the substrate 10 and is connected to the input side of the array waveguide diffraction grating 5, and an output side slab waveguide 6 which is arranged on the substrate 10 and is connected to the output side of the array waveguide diffraction grating 5. The input side end part 3a of the input side slab waveguide 3, which is arranged on the substrate 10 and the output side end part 6a of the output side slab waveguide 6 arranged on the substrate 10, are arranged respectively, so as to face the same end surfaces 10a and 10b of the substrate 10.

80. 发明专利

JP2002071984A Y-BRANCHING OPTICAL WAVEGUIDE 失效
公开(公告)号：JP2002071984A
公开(公告)日：2002-03-12
申请号：JP2000264964
申请日：2000-09-01
申请人： HITACHI CABLE
发明人： HIGUCHI KEIICHI , UETSUKA NAOTO
IPC分类号： G02B6/122
摘要： PROBLEM TO BE SOLVED: To provide a Y-branching optical waveguide which is stable in branching ratio. SOLUTION: In the Y-branching optical waveguide wherein a light propagating one optical waveguide 1 is branched into two directions by two branching waveguides 3 and 4, and the central lines of the optical waveguides from the branching parts to exit ends 9 and 11 of the branching waveguides 3 and 4 are respectively a sine curve, the central line of the input waveguide 1 is a sine curve.

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