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1. 发明专利

JP2012023436A Multi-channel osnr monitor 审中-公开
标题翻译：多通道OSNR监视器
公开(公告)号：JP2012023436A
公开(公告)日：2012-02-02
申请号：JP2010157721
申请日：2010-07-12
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： INOUE YASUYUKI , TAKAHASHI HIROSHI , MIZUNO TAKAYUKI , GO TAKASHI
IPC分类号： H01L31/0232 , H04B10/07
摘要： PROBLEM TO BE SOLVED: To provide a multi-channel OSNR monitor which can be obtained with a more compact configuration as comparing with a conventional multi-channel OSNR monitor.SOLUTION: The multi-channel OSNR monitor comprises: an AWG 15 having two inputs and 2N outputs; a tunable coupler 23 constituted of two 3 dB couplers 21A, 21B having two inputs and two outputs provided for every two output waveguides of the AWG and connected with each other, a first phase shifter 22A arranged in the input waveguide of one 3 dB coupler 21A, and a second phase shifter 22B arranged in one waveguide to which two 3 dB couplers are connected; photodiodes 24A, 24B arranged, respectively, at two output ports 12-1a, 12-1b of each tunable coupler; a polarization beam splitter 13 connected with two input waveguides of the AWG; and a polarization converter 14 arranged in one waveguide to which the polarization beam splitter and the AWG are connected.
摘要翻译：要解决的问题：与常规的多通道OSNR监视器相比，提供可以以更紧凑的配置获得的多通道OSNR监视器。解决方案：多通道OSNR监视器包括：具有两个输入和2N个输出的AWG 15; 由具有两个输入和两个输出的两个3dB耦合器21A，21B构成的可调谐耦合器23，该输入和两个输出设置在AWG的每两个输出波导上并彼此连接，第一移相器22A布置在一个3dB耦合器21A的输入波导中以及布置在两个3dB耦合器连接的一个波导中的第二移相器22B; 分别布置在每个可调谐耦合器的两个输出端口12-1a，12-1b处的光电二极管24A，24B; 与AWG的两个输入波导连接的偏振分束器13; 以及布置在偏振分束器和AWG所连接的一个波导中的偏振转换器14。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2007059720A Control method of groove depth 审中-公开
标题翻译：沟槽深度的控制方法
公开(公告)号：JP2007059720A
公开(公告)日：2007-03-08
申请号：JP2005244824
申请日：2005-08-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： HIROTA YOSHINOBU , WATANABE HIROSHI , YANAGISAWA MASAHIRO , KAMITOKU MASAKI , INOUE YASUYUKI , OGAWA IKUO , NAKANISHI YASUHIKO , HASHIZUME YASUAKI
IPC分类号： H01L21/306 , G02B6/42
摘要： PROBLEM TO BE SOLVED: To provide a control method of a groove depth which can control a depth of a V groove formed in a silicon substrate to a desired depth, and can suppress a surplus etching. SOLUTION: When an anisotropic etching is performed on a silicon substrate 61 formed with a compensating pattern 62 made of a glass film, the silicon substrate 61 as well as glass films 63a to 63d included in the compensating pattern 62 is etched. At this time, the glass films 63a to 63d are each different in size and are set so as to disappear when the V groove of the desired depth is formed in the silicon substrate 61 by etching. When the glass film corresponding to the desired depth of the V groove of the glass films 63a to 63d disappears, the anisotropic etching is completed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以将形成在硅衬底中的V沟的深度控制到期望深度的槽深度的控制方法，并且可以抑制多余的蚀刻。解决方案：当在由玻璃膜制成的补偿图案62形成的硅衬底61上进行各向异性蚀刻时，蚀刻包括在补偿图案62中的硅衬底61以及玻璃膜63a至63d。此时，玻璃膜63a〜63d的尺寸各不相同，并且通过蚀刻在硅基板61中形成期望深度的V沟时消失。当对应于玻璃膜63a至63d的V槽的期望深度的玻璃膜消失时，各向异性蚀刻完成。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007057978A Optical component and optical module 审中-公开
标题翻译：光学元件和光学模块
公开(公告)号：JP2007057978A
公开(公告)日：2007-03-08
申请号：JP2005244825
申请日：2005-08-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NAKANISHI YASUHIKO , OGAWA IKUO , KAMITOKU MASAKI , WATANABE HIROSHI , HIROTA YOSHINOBU , YANAGISAWA MASAHIRO , INOUE YASUYUKI , HASHIZUME YASUAKI
IPC分类号： G02B6/42 , G02B6/122 , H01L31/0232 , H01S5/022
摘要： PROBLEM TO BE SOLVED: To provide an optical component and an optical module capable of favorably performing coupling between an light wave transmitting part and an optical element or between the light wave transmitting parts without requiring a complicated process. SOLUTION: A sub-carrier 31 is provided with a face to be coupled with the light wave transmitting part and a face with a light receiving element 34 formed. As regards each face of the sub-carrier 31, among the face facing the face 38 on which light emitted from the light wave transmitting part is made incident and the face adjacent to it, at least a part of the faces except for the one with the light receiving element 34 formed is made to have such a parabolic shape such that the incident light is converged on the light receiving element 34, thereby forming a parabolic part 36. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够有利地在光波发射部分和光学元件之间或光波发射部分之间进行耦合的光学部件和光学模块，而不需要复杂的处理。解决方案：副载体31设置有与光波发射部分耦合的面和形成有光接收元件34的面。关于副载体31的每个面，在面对从光波发射部射出的光入射的面38和与其相邻的面的面中，至少一部分面除了具有所形成的光接收元件34具有这样的抛物线形状，使得入射光会聚在光接收元件34上，从而形成抛物线部分36.权利要求：（C）2007，JPO＆INPIT

4. 发明专利

JP2007019298A Manufacturing method of optical module 审中-公开
标题翻译：光学模块的制造方法
公开(公告)号：JP2007019298A
公开(公告)日：2007-01-25
申请号：JP2005199918
申请日：2005-07-08
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： OGAWA IKUO , NAKANISHI YASUHIKO , KAMITOKU MASAKI , WATANABE HIROSHI , HIROTA YOSHINOBU , YANAGISAWA MASAHIRO , INOUE YASUYUKI , HASHIZUME YASUAKI
IPC分类号： H01L31/0232 , G02B6/122 , G02B6/42
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of an optical module which can realize high precision positioning between an optical waveguide or an optical fiber and an optical sub-module without any expensive mounting device and complicated process for mounting of an optical sub-module. SOLUTION: The optical sub-module 80 comprises a sub-mount 81, and an almost rectangular-parallelopiped light receiving element 82 formed on the sub-mount 81. A couple of diagonal lines connecting an edge 84a and an edge 84d of the plane opposing to the plane in contact with the sub-mount 81 of the light receiving element 82 are almost parallel to a mounting plane 85 in contact with the plane of a substrate to which the optical sub-module 80 of the sub-mount 81 is mounted. Moreover, a distance between the mounting plane 85 and light receiving element 82 is almost equal to the distance between the plane of the substrate and a waveguide core included in the optical waveguide formed to the substrate. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以在没有昂贵的安装装置的情况下实现光波导或光纤与光子部件之间的高精度定位的光模块的制造方法和复杂的光学安装工艺子模块。解决方案：光学子模块80包括副底座81和形成在副底盘81上的几乎为矩形的平行六面体光接收元件82.一对斜线连接边缘84a和边缘84d 与光接收元件82的子座81接触的平面相对的平面几乎平行于与底座81的光学子模块80相对的基板的平面接触的安装平面85 被安装。此外，安装平面85和受光元件82之间的距离几乎等于基板的平面与形成于基板的光波导中包括的波导芯之间的距离。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007017750A Multilayer film filter having in-plane trapping structure, and optical wavelength filter 有权
标题翻译：具有平面结构的多层膜过滤器和光波长过滤器
公开(公告)号：JP2007017750A
公开(公告)日：2007-01-25
申请号：JP2005199917
申请日：2005-07-08
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , Nttエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： INOUE YASUYUKI , ISHII MOTOHAYA , YANAGISAWA MASAHIRO , KAMEI ARATA , SHIBAZAKI TOMOYO , TAKAGI AKIHIRO
IPC分类号： G02B5/28 , G02B6/122
摘要： PROBLEM TO BE SOLVED: To provide a multilayer film filter having an in-plane trapping structure, where the problem is solved, wherein when a certain wavelength of light is cut off by the present multilayer film filter inserted into an optical waveguide without using lens, the characteristics of the present multilayer film filter are not sufficiently steep, and consequently, realization of an optical transmitter and receiver module in which crosstalks are kept small, and to provide an optical wavelength filter. SOLUTION: The multilayer film filter is characterized in that a multilayer film 52, formed by laminating two kinds of optical thin films of SiO 2 and Ta 2 O 5 , is formed on a polyimide substrate 51. A high refractive index region 53, having an in-plane refractive index distribution in the in-plane direction such that the refractive index in a predetermined area is higher than that in the periphery of the predetermined region is formed on a SiO 2 layer and/or a Ta 2 O 5 layer. According to such a constitution, the light entering the high refractive index area 53 at the predetermined angle (for example, 6°), with respect to the vertical direction of the substrate, is trapped inside the multilayer film 52 by the in-plane refractive index distribution. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了提供一种具有面内捕获结构的多层膜滤光器，其中解决了问题，其中当通过插入到光波导中的本发明的多层膜滤光器切断一定波长的光而没有使用透镜时，本发明的多层膜滤光器的特性不够陡峭，因此实现了将串扰保持较小的光发射机和接收机模块，并提供光波长滤波器。＆lt; P＆gt;解决方案：多层膜过滤器的特征在于，通过层压两种SiO 2 和Ta O SB的光学薄膜形成的多层膜52 > 5 形成在聚酰亚胺基板51上。高折射率区域53，其在面内方向上具有面内折射率分布，使得在预定区域中的折射率高于预定区域的周边形成在SiO 2 SBB层和/或Ta O 5 层上。根据这样的结构，相对于基板的垂直方向以预定角度（例如6°）进入高折射率区域53的光被面内折射率被捕获在多层膜52的内部指数分布。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005164863A Plane optical circuit component 有权
标题翻译：平面光电路元件
公开(公告)号：JP2005164863A
公开(公告)日：2005-06-23
申请号：JP2003402234
申请日：2003-12-01
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： ISHII MOTOHAYA , SUZUKI SENTA , KASAHARA RYOICHI , INOUE YASUYUKI , YAMADA TAKASHI , FUKUMITSU TAKAO
IPC分类号： G02B6/30
摘要： PROBLEM TO BE SOLVED: To solve the problem in which a plane optical circuit component constituted by connecting end surfaces of a plurality of plane optical circuits increases in connection loss owing to optical axis deviation when plane optical circuits whose substrates curve in different directions are connected so as to have the substrates opposite each other. SOLUTION: When two plane optical circuits composed of optical waveguides formed on substrates are connected, connection end surfaces of the two plane optical circuits (110, 120) are formed so as to have the same tilt to the substrates (111, 121), substrates of adjacent plane optical circuits are made vertically opposite in position (direction) not to face each other, and the optical waveguides (112, 122) have their optical axes aligned with each other and are connected and fixed. This constitution facilitates machining of the connection end surfaces, enables plane optical circuits differing in substrate curving direction to be connected together, and secures setting of an ultraviolet-ray setting adhesive. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：为了解决由多个平面光电路的端面构成的平面光电路部件由于基板在不同方向上弯曲的平面光电路时由于光轴偏差而导致的连接损耗增加的问题被连接成使基板彼此相对。解决方案：当在基板上形成由光波导构成的两个平面光电路连接时，两个平面光电路（110,120）的连接端面形成为与基板（111,121）具有相同的倾斜），相邻平面光电路的基板在不相对的位置（方向）上垂直相反，并且光波导（112,122）的光轴彼此对准并被连接和固定。该结构有利于连接端面的加工，使得能够将基板弯曲方向不同的平面光路连接在一起，并且确保紫外线固化粘合剂的设定。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005148585A Optical wavelength multiplexing/demultiplexing circuit 有权
标题翻译：光波长多路复用/解复用电路
公开(公告)号：JP2005148585A
公开(公告)日：2005-06-09
申请号：JP2003388833
申请日：2003-11-19
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KAMEI ARATA , TAKAHASHI HIROSHI , INOUE YASUYUKI
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide an AWG wavelength multiplexing/demultiplexing circuit that reduces excessive loss due to a groove formed on an array waveguide and that has a small temperature dependency of a transmitting wavelength as well as a low loss. SOLUTION: The optical wavelength multiplexing/demultiplexing cirucit is equipped with an array waveguide, a slab waveguide and an input/output waveguide. The array waveguide is provided with a groove which is formed by removing a part of a clad and a core and which is filled with a material having a temperature coefficient of a refractive index different from that of the effective refractive index of the array waveguide. The temperature coefficient of the effective refractive index of the array waveguide is α while that of the refractive index of the material filled in the groove is α', and the difference of the length removed by the groove between the adjacent array waveguides is ΔL', in the circuit. Among the array waveguides, the difference ΔL' between some adjacent array waveguides is designed to be smaller than ΔL/(1-α/α'), while the difference ΔL' between other adjacent array waveguides is designed to be equal to ΔL/(1-α/α'). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种AWG波长多路复用/解复用电路，其减少由于在阵列波导上形成的凹槽而导致的过大损耗，并且具有较小的透射波长的温度依赖性以及低损耗。解决方案：光波长多路复用/解复用cirucit配有阵列波导，平板波导和输入/输出波导。阵列波导设置有通过去除包层和芯的一部分并且填充有具有与阵列波导的有效折射率的不同的折射率的温度系数的材料形成的凹槽。阵列波导的有效折射率的温度系数为α，而填充在槽中的材料的折射率的温度系数为α'，并且由相邻阵列波导之间的槽除去的长度差为ΔL' 在电路中。在阵列波导中，一些相邻阵列波导之间的差ΔL'被设计为小于ΔL/（1-α/α'），而其他相邻阵列波导之间的差ΔL'被设计为等于ΔL/（ 1-α/α'）。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004355036A Planar optical circuit and optical circuit 有权
标题翻译：平面光电路和光电路
公开(公告)号：JP2004355036A
公开(公告)日：2004-12-16
申请号：JP2004271657
申请日：2004-09-17
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MIZUNO TAKAYUKI , KITO TSUTOMU , INOUE YASUYUKI , HIBINO YOSHINORI , ITOU MIKITAKA , SAIDA TAKASHI , HIDA YASUHIRO
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide a planar optical circuit which can suppress coupling loss while it is miniaturized. SOLUTION: In the planar optical circuit which is constituted by forming an input waveguide and an output waveguide on a substrate wherein each of the input waveguide and the output waveguide is formed by covering a core having higher refractive index by a cladding having lower refractive index, the core width of the input end side of the core of the input waveguide or the core width of the output end side of the core of the output waveguide is formed so that it becomes narrow gradually as it approaches the end face of the substrate and, moreover, a first monitoring waveguides is constituted so that a core whose input end is formed at an edge end side different from an edge end side where the input end of the input waveguide or the output end of the output waveguide is positioned and whose core width of the input end side becomes narrow gradually as it approaches the end face of the substrate is surrounded by a cladding are formed on the substrate. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在小型化的同时抑制耦合损耗的平面光电路。解决方案：在通过在衬底上形成输入波导和输出波导而构成的平面光学电路中，其中输入波导和输出波导中的每一个通过用具有较低折射率的包层覆盖具有较高折射率的芯折射率，输入波导的芯的输入端侧的芯宽度或输出波导的芯的输出端侧的芯宽度形成为随着其接近于输出波导的端面而逐渐变窄另外，第一监视波导被构成为使得其输入端形成在不同于输入波导的输入端或输出波导的输出端所在的边缘端侧的边缘端侧的芯，在基板上形成由输入端侧的芯宽度逐渐变细的方式，在基板的端面靠近包层的状态下逐渐变细。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004212435A Arrayed waveguide grating optical multiplexing and demultiplexing circuit 有权
标题翻译：阵列波导光学多路复用和解复用电路
公开(公告)号：JP2004212435A
公开(公告)日：2004-07-29
申请号：JP2002378882
申请日：2002-12-27
申请人： Nippon Telegr & Teleph Corp , Ntt Electornics Corp , エヌティティエレクトロニクス株式会社 , 日本電信電話株式会社
发明人： KITO TSUTOMU , INOUE YASUYUKI , ITOU MIKITAKA , HIBINO YOSHINORI , KANEKO AKEMASA
IPC分类号： G02B6/12 , G02B5/18 , G02B6/34
CPC分类号： G02B6/12016
摘要： PROBLEM TO BE SOLVED: To provide an arrayed waveguide grating optical multiplexing and demultiplexing circuit in which wavelength dispersion is reduced. SOLUTION: The arrayed waveguide grating optical multiplexing and demultiplexing circuit has an input waveguide 1, a first slab waveguide 2 which is connected to the input waveguide 1, an arrayed waveguide 3 consisting of a plurality of optical waveguides which are connected to the first slab waveguide 2 and which becomes long one by one with a prescribed waveguide length difference, a second slab waveguide 4 which is connected to the arrayed waveguide 3 and a plurality of output waveguides 5 which are connected to the second slab waveguide 4 and, further, has a parabolic waveguide 6 which is provided between the input waveguide 1 and the first slab waveguide 2 and tapered waveguides 7 which are provided among the second slab waveguide 4 and the output waveguides 5. In this circuit, the ratio of the amplitude absolute value of first side peaks to the main peak in the electric field distribution of the distant field of the parabolic waveguide 6 is 0.25 or less and the relative phase between the main peak and the first side peaks is 3.5 radians or less. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供其中波长色散减小的阵列波导光栅光复用和解复用电路。解决方案：阵列波导光栅光复用和解复用电路具有输入波导1，连接到输入波导1的第一平板波导2，由多个光波导组成的阵列波导3，其连接到第一平板波导2并且以规定的波导长度差一个一个地变长，连接到阵列波导3的第二平板波导4和连接到第二平板波导4的多个输出波导5，以及另外具有设置在输入波导1和第一平板波导2之间的抛物面波导6和设置在第二平板波导4和输出波导5之间的锥形波导7。在该电路中，振幅绝对值在抛物面波导6的远场的电场分布中的主峰的第一侧峰值为0.25以下，相对相位b 主峰和第一边峰值为3.5弧度或更小。版权所有（C）2004，JPO＆NCIPI

10. 发明专利

JP2004126207A Waveguide type optical filter 审中-公开
标题翻译：波导型光学滤波器
公开(公告)号：JP2004126207A
公开(公告)日：2004-04-22
申请号：JP2002289951
申请日：2002-10-02
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KITO TSUTOMU , SUZUKI SENTA , INOUE YASUYUKI , KAMITOKU MASAKI , TAKAHASHI HIROSHI , HIBINO YOSHINORI , SAIDA TAKASHI
IPC分类号： G02B6/12
摘要： PROBLEM TO BE SOLVED: To provide a waveguide type optical filter whose pass band can be expanded with respect to an error in fabrication. SOLUTION: A multi-mode waveguide 15 formed on a substrate 10 of silicon is configured to have a waveguide width which is 2.to to 2.5 times the width of a waveguide constituting an optical waveguide couple 13 and a finite wavelength length less than a beam length of the lowest order. Further, the multi-mode waveguide is constituted as a multi-mode waveguide 20 in tapered structure so that its input-side wavelength width is set wider than its output-side waveguide width and the output-side waveguide width is wider than and ≤2.5 times the width of the waveguides constituting the optical waveguide couple 13. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种波导型光学滤波器，其通带可以相对于制造中的误差而扩展。解决方案：形成在硅的衬底10上的多模式波导15被配置为具有波导宽度，其是构成光波导对13的波导的宽度的2至2.5倍，并且有限的波长长度较小比最低阶的光束长度。此外，多模波导被构成为锥形结构的多模波导20，使得其输入侧波长宽度被设定为比其输出侧波导宽度宽，并且输出侧波导宽度宽于和≤2.5 乘以构成光波导对13的波导的宽度。（C）2004，JPO

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