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公开(公告)号：US20120087653A1
公开(公告)日：2012-04-12
申请号：US13378055
申请日：2010-03-08
CPC分类号： H04B10/516 , H04B10/5051
摘要： An optical transmission apparatus in which, even if a change is made in the bit rate of modulation signals that are inputted to a plurality of optical modulating units, the modulation signals do not suffer from phase shifting, thereby enabling achieving synchronous modulation in the plurality of optical modulating units and enabling achieving a high optical signal quality. The optical transmission apparatus includes: a plurality of optical modulating units that modulate light on the basis of modulation signals; and a delay amount control unit that, based on bit rate information indicating a bit rate of the modulation signals, controls delay amounts of the modulation signals to be inputted to the plurality of optical modulating units, such that the light is modulated in a synchronous manner in the plurality of optical modulating units.
摘要翻译： 其中，即使在输入到多个光调制单元的调制信号的比特率中发生变化，调制信号也不会遭受相移，从而能够实现多个调制信号的同步调制 光调制单元，实现高光信号质量。 光传输装置包括：多个光调制单元，其基于调制信号调制光; 以及延迟量控制单元，其基于表示调制信号的比特率的比特率信息，控制要输入到多个光调制单元的调制信号的延迟量，使得以同步方式调制光 在多个光学调制单元中。
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公开(公告)号：US20120153132A1
公开(公告)日：2012-06-21
申请号：US13298702
申请日：2011-11-17
申请人： Yuichiro Horiguchi , Kohei Sugihara , Yasuhisa Shimakura , Toshiharu Miyahara , Satoshi Kajiya , Satoshi Nishikawa , Eiji Yagyu
发明人： Yuichiro Horiguchi , Kohei Sugihara , Yasuhisa Shimakura , Toshiharu Miyahara , Satoshi Kajiya , Satoshi Nishikawa , Eiji Yagyu
CPC分类号： G02B6/4274 , H01L2224/48091 , H01L2224/48137 , H01L2224/48227 , H01L2224/49433 , H01L2924/3011 , H01L2924/30111 , H01L2924/3025 , H01L2924/00014 , H01L2924/00
摘要： An element carrier has a mounting surface where at least one element outputting a high-frequency signal is disposed. A first dielectric layer has a first side surface partially forming the mounting surface and a first main surface connecting to the first side surface and extending in an intersecting direction intersecting with the mounting surface. A first wiring pattern is provided on the first main surface and extends from the first side surface. A second dielectric layer has a second side surface partially forming the mounting surface and a second main surface connecting to the second side surface and extending in the intersecting direction, and is provided on a part of the first main surface of the first dielectric layer where the first wiring pattern is provided. A second wiring pattern is provided on the second main surface of the second dielectric layer and extends from the second side surface.
摘要翻译： 元件载体具有其中设置有至少一个输出高频信号的元件的安装表面。 第一电介质层具有部分地形成安装表面的第一侧表面和连接到第一侧表面并沿与安装表面相交的相交方向延伸的第一主表面。 第一布线图案设置在第一主表面上并且从第一侧表面延伸。 第二电介质层具有部分地形成安装面的第二侧面和与第二侧面连接并且在交叉方向上延伸的第二主表面，并且设置在第一电介质层的第一主表面的一部分上， 提供第一布线图案。 第二布线图案设置在第二介电层的第二主表面上并且从第二侧表面延伸。
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公开(公告)号：US20120230679A1
公开(公告)日：2012-09-13
申请号：US13508548
申请日：2010-02-22
CPC分类号： H04B10/50577 , H04B10/5051 , H04B10/516
摘要： An optical transmitter includes: a data generating unit configured to generate a plurality of modulating signals; a driver configured to amplify the plurality of modulating signals generated by the data generating unit; a phase shifter configured to control a phase of at least one signal among the plurality of modulating signals to be input to the driver; a plurality of optical modulators connected in series to each other, and configured to modulate an optical signal on a basis of each of the modulating signals amplified by the driver; an optical coupler configured to branch the optical signal modulated by the optical modulator arranged at a last stage in the series; a photodiode configured to detect the optical signal branched by the optical coupler and convert the optical signal into an electric signal; and a phase control unit configured to control an amount of phase control of the phase shifter to maximize an intensity of the electric signal converted by the photodiode.
摘要翻译： 光发射机包括：数据生成单元，被配置为产生多个调制信号; 被配置为放大由数据生成单元生成的多个调制信号的驱动器; 移相器，被配置为控制要输入到所述驱动器的所述多个调制信号中的至少一个信号的相位; 多个光调制器，其彼此串联连接，并且被配置为基于由所述驱动器放大的每个调制信号来调制光信号; 光耦合器，被配置为分支由布置在所述串联的最后阶段的由所述光调制器调制的光信号; 光电二极管，被配置为检测由光耦合器分支的光信号并将光信号转换成电信号; 以及相位控制单元，被配置为控制所述移相器的相位控制量以使由所述光电二极管转换的电信号的强度最大化。
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公开(公告)号：US07672544B2
公开(公告)日：2010-03-02
申请号：US11914271
申请日：2006-05-22
申请人： Masakazu Takabayashi , Kiichi Yoshiara , Yasuhisa Shimakura , Sadayuki Matsumoto , Tateki Mitani , Shigeki Kanamaru , Kazushi Ishii
发明人： Masakazu Takabayashi , Kiichi Yoshiara , Yasuhisa Shimakura , Sadayuki Matsumoto , Tateki Mitani , Shigeki Kanamaru , Kazushi Ishii
IPC分类号： G02B6/00
CPC分类号： B60K15/077 , B60K2015/03217 , G01F23/292 , G01F23/2925 , G01N21/8507
摘要： An optical fiber sensor that can detect a liquid level or detect a property of liquid with high reliability even under a frequently vibrational environment. The optical fiber sensor includes an optical fiber that includes a core having an area where a grating is formed and a clad, the optical fiber being disposed so that at least a part of the area with the grating is immersed in liquid, a light source for making light incident to the optical fiber so that a cladding mode light having a wavelength band is generated by the grating, and a light receiving unit for detecting the intensity of light which is incident from the light source to the optical fiber and transmitted through the grating.
摘要翻译： 即使在频繁的振动环境下也能够高度可靠地检测液位或检测液体的性质的光纤传感器。 光纤传感器包括光纤，其包括具有形成光栅的区域的芯和包层，光纤被布置成使得具有光栅的区域的至少一部分浸没在液体中，光源用于 使光入射到光纤，使得由光栅产生具有波长带的包层模式光;以及光接收单元，用于检测从光源入射到光纤并透射通过光栅的光的强度 。
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公开(公告)号：US20090034901A1
公开(公告)日：2009-02-05
申请号：US11914271
申请日：2006-05-22
申请人： Masakazu Takabayashi , Kiichi Yoshiara , Yasuhisa Shimakura , Sadayuki Matsumoto , Tateki Mitani , Shigeki Kanamaru , Kazushi Ishii
发明人： Masakazu Takabayashi , Kiichi Yoshiara , Yasuhisa Shimakura , Sadayuki Matsumoto , Tateki Mitani , Shigeki Kanamaru , Kazushi Ishii
CPC分类号： B60K15/077 , B60K2015/03217 , G01F23/292 , G01F23/2925 , G01N21/8507
摘要： An optical fiber sensor that can detect a liquid level or detect a property of liquid with high reliability even under a frequently vibrational environment. The optical fiber sensor includes an optical fiber that includes a core having an area where a grating is formed and a clad, and is disposed so that at least a part of the area with the grating is immersed in liquid, a light source for making light incident to the optical fiber so that a cladding mode light having a wavelength band is occurred by the grating, and a light receiving unit for detecting the intensity of light which is incident from the light source to the optical fiber and transmitted through the grating.
摘要翻译： 即使在频繁的振动环境下也能够高度可靠地检测液位或检测液体的性质的光纤传感器。 光纤传感器包括光纤，其包括具有形成光栅的区域的芯和包层，并且被布置成使得具有光栅的区域的至少一部分浸没在液体中，用于制造光的光源 入射到光纤，使得由光栅发生具有波长带的包层模式光;以及光接收单元，用于检测从光源入射到光纤并透射通过光栅的光的强度。
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公开(公告)号：US07379640B2
公开(公告)日：2008-05-27
申请号：US11410925
申请日：2006-04-26
IPC分类号： G02B6/34
CPC分类号： G02F1/0115 , G02B6/29322 , G02B6/29394 , G02B6/29395 , G02F1/0147 , G02F2201/30
摘要： A tunable dispersion compensator in which a heater portion can be easily constructed to reduce cost. A tunable dispersion compensator includes: an optical fiber having a grating portion; a heating unit for heating the grating portion to apply a temperature distribution to the grating portion; and a control unit for controlling the temperature distribution applied by the heating unit to control the group delay time characteristic of the grating portion. The heating unit includes: a heater including a single conductor having electrical resistors and which extends in a longitudinal direction of the grating portion over at least the entire length of the grating portion; and wirings electrically connected with the heater in respective positions along the longitudinal direction. The control unit supplies a voltage to each of the wirings.
摘要翻译： 可调谐色散补偿器，其中可以容易地构造加热器部分以降低成本。 可调谐色散补偿器包括：具有光栅部分的光纤; 加热单元，用于加热光栅部分以向光栅部分施加温度分布; 以及控制单元，用于控制由加热单元施加的温度分布，以控制光栅部分的群延迟时间特性。 加热单元包括：加热器，其包括具有电阻器的单个导体，并且在光栅部分的至少整个长度上沿光栅部分的纵向方向延伸; 以及沿着纵向在相应位置与加热器电连接的布线。 控制单元向每个配线提供电压。
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公开(公告)号：US20060280397A1
公开(公告)日：2006-12-14
申请号：US11410925
申请日：2006-04-26
CPC分类号： G02F1/0115 , G02B6/29322 , G02B6/29394 , G02B6/29395 , G02F1/0147 , G02F2201/30
摘要： A tunable dispersion compensator in which a heater portion can be easily constructed to reduce cost. A tunable dispersion compensator includes: an optical fiber having a grating portion; a heating unit for heating the grating portion to apply a temperature distribution to the grating portion; and a control unit for controlling the temperature distribution applied by the heating unit to control the group delay time characteristic of the grating portion. The heating unit includes: a heater including a single conductor having electrical resistors and which extends in a longitudinal direction of the grating portion over at least the entire length of the grating portion; and wirings electrically connected with the heater in respective positions along the longitudinal direction. The control unit supplies a voltage to each of the wirings.
摘要翻译： 可调谐色散补偿器，其中可以容易地构造加热器部分以降低成本。 可调谐色散补偿器包括：具有光栅部分的光纤; 加热单元，用于加热光栅部分以向光栅部分施加温度分布; 以及控制单元，用于控制由加热单元施加的温度分布，以控制光栅部分的群延迟时间特性。 加热单元包括：加热器，其包括具有电阻器的单个导体，并且在光栅部分的至少整个长度上沿光栅部分的纵向方向延伸; 以及沿着纵向在相应位置与加热器电连接的布线。 控制单元向每个配线提供电压。
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