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1. 发明授权

US08270780B2 Optical switch system using optical interference 有权
标题翻译：光开关系统采用光纤干涉
公开(公告)号：US08270780B2
公开(公告)日：2012-09-18
申请号：US12095542
申请日：2006-11-29
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G02F1/035 , G02F1/01 , G02F1/295 , G02B26/00 , G02B6/26 , G02B6/42
CPC分类号： G02F1/3137 , G02F2001/212 , G02F2202/20
摘要： It is an object of the present invention to provide an optical switch system using optical interference. An optical switch system (1) comprises an input part (2) of an optical signal, a branching part (3) of the signal, a main Mach-Zehnder waveguide (MZC) (7), a first intensity modulator (9) provided on a first arm (4) for controlling an amplitude of an optical signal propagating through the first arm (4), a second intensity modulator (10) provided on a second arm (5) for controlling an amplitude of an optical signal propagating through the second arm (5), and a combining part (6) of the signals outputted from the first arm and the second arm, wherein one or both of the branching part (3) and the combining part (6) are X-branched.
摘要翻译：本发明的目的是提供一种使用光学干涉的光开关系统。光开关系统（1）包括光信号的输入部分（2），信号的分支部分（3），主马赫 - 曾德波导（MZC）（7），第一强度调制器（9）在用于控制通过所述第一臂（4）传播的光信号的幅度的第一臂（4）上，设置在第二臂（5）上的第二强度调制器（10），用于控制通过所述第一臂以及从第一臂和第二臂输出的信号的组合部分（6），其中分支部分（3）和组合部分（6）中的一个或两个是X分支的。

2. 发明授权

US08023775B2 Super flat optical frequency comb signal generator 有权
标题翻译：超平光梳频信号发生器
公开(公告)号：US08023775B2
公开(公告)日：2011-09-20
申请号：US12282638
申请日：2006-09-22
申请人： Takahide Sakamoto , Tetsuya Kawanishi , Masahiro Tsuchiya , Masayuki Izutsu
发明人： Takahide Sakamoto , Tetsuya Kawanishi , Masahiro Tsuchiya , Masayuki Izutsu
IPC分类号： G02F1/225 , G02F1/01
CPC分类号： G02F1/2255 , G02F2001/212 , G02F2203/56
摘要： An optical frequency COM generator generating an optical frequency COM having flat spectrum characteristics using a single modulator. The optical frequency COM generator has a drive signal system (11) and a bias signal system (14) which drive a first drive signal (9), a second drive signal (10) and bias signals (12, 13) to satisfy the following expression (I). ΔA+Δθ=π/2 (I). (where, ΔA and Δθ are defined as ΔA≡(A1−A2)/2 and Δθ≡(θ1−θ2)/2, respectively, A1 and A2 represent the amplitudes of the first and second drive signals when they are inputted to the electrodes of the first and second drive signals, respectively, and θ1 and θ2 represent the phases of bias voltages applied to first and second waveguides, respectively.)
摘要翻译：使用单个调制器产生具有平坦频谱特性的光频率COM的光学频率COM发生器。光频COM发生器具有驱动信号系统（11）和驱动第一驱动信号（9），第二驱动信号（10）和偏置信号（12,13）的偏置信号系统（14）以满足以下表达式（I）。＆Dgr; A +＆Dgr;＆thetas; =＆pgr; / 2（I）。（其中，＆Dgr; A和＆Dgr;＆thetas;分别定义为＆Dgr;A≡（A1-A2）/ 2和＆Dgr;＆thetas;≡（＆thetas; 1-＆thetas; 2）/ 2，A1和A2分别表示第一和第二驱动信号分别在第一和第二驱动信号的电极输入时的振幅和第一和第二驱动信号的电平分别与第一和第二波导的偏置电压的相位相对应。

3. 发明授权

US07991298B2 DSB-SC modulation system capable of erasing carrier and secondary component 有权
标题翻译： DSB-SC调制系统能够擦除载波和二次分量
公开(公告)号：US07991298B2
公开(公告)日：2011-08-02
申请号：US12065218
申请日：2006-08-30
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： H04B10/04
CPC分类号： H04B10/5051 , H04B10/505 , H04B10/5053 , H04B10/5165
摘要： It is an object of the present invention to provide an optical modulation system capable of suppressing a carrier component (f0) and a high order component (such as a second order component (f0±2fm)). The optical modulation system includes Mach-Zehnder waveguide (8), a first intensity modulator (9) provided on a first arm (4), a second intensity modulator (10) provided on a second arm (5), a first main Mach-Zehnder electrode (MZCA electrode) (13a), and a second main Mach-Zehnder electrode (MZCB electrode) (13b). Non-desired components propagating the respective arms are made to have reverse phase before optical signals are combined, whereby the optical modulation system is capable of suppressing the non-desired components when the optical signals are combined.
摘要翻译：本发明的目的是提供一种能够抑制载波分量（f0）和高阶分量（诸如二阶分量（f0±2fm））的光调制系统。光调制系统包括马赫曾德尔波导（8），设置在第一臂（4）上的第一强度调制器（9），设置在第二臂（5）上的第二强度调制器（10） Zehnder电极（MZCA电极）（13a）和第二主Mach-Zehnder电极（MZCB电极）（13b）。在组合光信号之前使传播各个臂的不期望的分量具有相反相位，由此当光信号被组合时，光调制系统能够抑制非期望的分量。

4. 发明申请

US20100150495A1 OPTICAL SWITCH SYSTEM USING OPTICAL INTERFERENCE 有权
标题翻译：使用光学干涉的光学开关系统
公开(公告)号：US20100150495A1
公开(公告)日：2010-06-17
申请号：US12095542
申请日：2006-11-29
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G02F1/035 , G02B6/26
CPC分类号： G02F1/3137 , G02F2001/212 , G02F2202/20
摘要： It is an object of the present invention to provide an optical switch system using optical interference. An optical switch system (1) comprises an input part (2) of an optical signal, a branching part (3) of the signal, a main Mach-Zehnder waveguide (MZC) (7), a first intensity modulator (9) provided on a first arm (4) for controlling an amplitude of an optical signal propagating through the first arm (4), a second intensity modulator (10) provided on a second arm (5) for controlling an amplitude of an optical signal propagating through the second arm (5), and a combining part (6) of the signals outputted from the first arm and the second arm, wherein one or both of the branching part (3) and the combining part (6) are X-branched.
摘要翻译：本发明的目的是提供一种使用光学干涉的光开关系统。光开关系统（1）包括光信号的输入部分（2），信号的分支部分（3），主马赫 - 曾德波导（MZC）（7），第一强度调制器（9）在用于控制通过所述第一臂（4）传播的光信号的幅度的第一臂（4）上，设置在第二臂（5）上的第二强度调制器（10），用于控制通过所述第一臂以及从第一臂和第二臂输出的信号的组合部分（6），其中分支部分（3）和组合部分（6）中的一个或两个是X分支的。

5. 发明申请

US20090310900A1 SUPER FLAT OPTICAL FREQUENCY COM SIGNAL GENERATOR 有权
标题翻译：超平面光通信信号发生器
公开(公告)号：US20090310900A1
公开(公告)日：2009-12-17
申请号：US12282638
申请日：2006-09-22
申请人： Takahide Sakamoto , Tetsuya Kawanishi , Masahiro Tsuchiya , Masayuki Izutsu
发明人： Takahide Sakamoto , Tetsuya Kawanishi , Masahiro Tsuchiya , Masayuki Izutsu
IPC分类号： G02F1/225 , G02F1/01
CPC分类号： G02F1/2255 , G02F2001/212 , G02F2203/56
摘要： An optical frequency COM generator generating an optical frequency COM having flat spectrum characteristics using a single modulator. The optical frequency COM generator has a drive signal system (11) and a bias signal system (14) which drive a first drive signal (9), a second drive signal (10) and bias signals (12, 13) to satisfy the following expression (I). ΔA+Δθ=π/2 (I). (where, ΔA and Δθ are defined as ΔA≡(A1−A2)/2 and Δθ≡(θ1−θ2)/2, respectively, A1 and A2 represent the amplitudes of the first and second drive signals when they are inputted to the electrodes of the first and second drive signals, respectively, and θ1 and θ2represent the phases of bias voltages applied to first and second waveguides, respectively.)
摘要翻译：使用单个调制器产生具有平坦频谱特性的光频率COM的光学频率COM发生器。光频COM发生器具有驱动信号系统（11）和驱动第一驱动信号（9），第二驱动信号（10）和偏置信号（12,13）的偏置信号系统（14）以满足以下表达式（I）。 DeltaA + Deltatheta = pi / 2（I）。（其中，DeltaA和Deltatheta分别被定义为DeltaA≡（A1-A2）/ 2和Deltatheta≡（θ1-θ2）/ 2，A1和A2表示当第一和第二驱动信号输入到第一和第二驱动信号的电极分别为θ1和theta2分别表示施加到第一和第二波导的偏置电压的相位。）

6. 发明授权

US07957652B2 Optical FSK/SSB modulator having intensity balance function 有权
标题翻译：具有强度平衡功能的光FSK / SSB调制器
公开(公告)号：US07957652B2
公开(公告)日：2011-06-07
申请号：US12064597
申请日：2006-08-23
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： H04B10/04
CPC分类号： H04B10/5165 , G02F1/225 , H04B10/505 , H04B10/5563
摘要： It is an object of the present invention to provide an optical modulator which is capable of adjusting optical intensity of optical signals which contains non-desired components so that the intensity of the components become at a similar level, whereby the optical modulator is capable of effectively suppressing the non-desired components when the optical signals are combined.
摘要翻译：本发明的目的是提供一种光调制器，其能够调节包含非期望分量的光信号的光强度，使得各部件的强度变成相似的水平，从而光调制器能够有效地当光信号被组合时，抑制不期望的分量。

7. 发明申请

US20090103163A1 RECIPROCATING OPTICAL MODULATION SYSTEM 有权
标题翻译：复制光学调制系统
公开(公告)号：US20090103163A1
公开(公告)日：2009-04-23
申请号：US12063436
申请日：2006-08-09
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G02F1/01
CPC分类号： G02F1/0311 , G02F2/02 , G02F2201/17 , G02F2201/307
摘要： In order to provide a reciprocating optical modulation system capable of obtaining a broad bandwidth, a reciprocating optical modulation system (1) of the present invention is basically provided with an optical modulator (2) modulating an output light by controlling one of an intensity, a phase and a frequency of an input light; a first fiber grating (3) transmitting a light of a predetermined frequency domain among lights inputted to and outputted from the optical modulator while reflecting lights of other frequencies; a second fiber grating (4) transmitting a light of a predetermined frequency domain among lights inputted to and outputted from the optical modulator while reflecting lights of other frequencies; and a signal source (5) generating a modulating signal to be inputted to the optical modulator (2).
摘要翻译：为了提供能够获得宽带宽的往复式光调制系统，本发明的往复式光调制系统（1）基本上设置有光调制器（2），通过控制强度，输入光的相位和频率; 第一光纤光栅（3），其在反射其他频率的光的同时，在从所述光调制器输入和输出的光之间传输预定频域的光; 第二光纤光栅（4），其在反射其他频率的光的同时，在从所述光调制器输入和输出的光之间传输预定频域的光; 以及产生要输入到光调制器（2）的调制信号的信号源（5）。

8. 发明授权

US07864330B2 Method and device for calibrating a light intensity measurement device 有权
标题翻译：用于校准光强测量装置的方法和装置
公开(公告)号：US07864330B2
公开(公告)日：2011-01-04
申请号：US12095378
申请日：2006-11-24
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G01B9/02
CPC分类号： G01J1/08 , G01J1/0204 , G01J1/04 , G01J1/0418 , G01J1/0425 , G01J1/26
摘要： It is an object of the present invention to provide a method and a device for automatically calibrating a light intensity measurement device. The device (1) includes an optical switch (3) for switching a route of output from an optical intensity modulator (2), an optical attenuator (5) arranged on a first waveguide (4), a second waveguide (6), a light intensity measurement device (7), a control device (8) for receiving light intensity information measured by the light intensity measurement device (7) and controlling the signal to be applied to the optical intensity modulator (2), and a signal source (9) for receiving a control signal of the control device (8) and adjusting the signal to be applied to the optical intensity modulator (2).
摘要翻译：本发明的目的是提供一种用于自动校准光强测量装置的方法和装置。装置（1）包括用于切换来自光强度调制器（2）的输出路线的光开关（3），布置在第一波导（4）上的光衰减器（5），第二波导（6），光强测量装置（7），用于接收由光强测量装置（7）测量的光强度信息并控制施加到光强度调制器（2）的信号的控制装置（8），以及信号源 9），用于接收控制装置（8）的控制信号并调整要施加到光强度调制器（2）的信号。

9. 发明授权

US07711215B2 Optical amplitude modulation system capable of cancelling high order component 有权
标题翻译：能够抵消高阶分量的光调制系统
公开(公告)号：US07711215B2
公开(公告)日：2010-05-04
申请号：US12065278
申请日：2006-08-30
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G02F1/035
CPC分类号： G02F1/0327 , G02F1/2255 , G02F2001/212
摘要： It is an object of the present invention to provide a DSB-SC system capable of suppressing a third order component. The DSB-SC modulation having high extinction ratio can be realized by adjusting the first order component, which is generated by applying a modulation signal (3fm), and the third order component, which is generated by applying a basic signal (fm), to have reversed phase and the same intensity level, and then by applying the first order component to the third order component, these two components cancel each other.
摘要翻译：本发明的目的是提供一种能够抑制三阶分量的DSB-SC系统。具有高消光比的DSB-SC调制可以通过将通过应用调制信号（3fm）产生的一阶分量和通过应用基本信号（fm）产生的三阶分量调整到具有反相和相同强度水平，然后通过将第一阶分量应用于三阶分量，这两个分量彼此抵消。

10. 发明授权

US07660030B2 Reciprocating optical modulation system 有权
标题翻译：往复光调制系统
公开(公告)号：US07660030B2
公开(公告)日：2010-02-09
申请号：US12063436
申请日：2006-08-09
申请人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
发明人： Tetsuya Kawanishi , Masayuki Izutsu , Takahide Sakamoto , Masahiro Tsuchiya
IPC分类号： G02B1/01
CPC分类号： G02F1/0311 , G02F2/02 , G02F2201/17 , G02F2201/307
摘要： In order to provide a reciprocating optical modulation system capable of obtaining a broad bandwidth, a reciprocating optical modulation system (1) of the present invention is basically provided with an optical modulator (2) modulating an output light by controlling one of an intensity, a phase and a frequency of an input light; a first fiber grating (3) transmitting a light of a predetermined frequency domain among lights inputted to and outputted from the optical modulator while reflecting lights of other frequencies; a second fiber grating (4) transmitting a light of a predetermined frequency domain among lights inputted to and outputted from the optical modulator while reflecting lights of other frequencies; and a signal source (5) generating a modulating signal to be inputted to the optical modulator (2).
摘要翻译：为了提供能够获得宽带宽的往复式光调制系统，本发明的往复式光调制系统（1）基本上设置有光调制器（2），通过控制强度，输入光的相位和频率; 第一光纤光栅（3），其在反射其他频率的光的同时，在从所述光调制器输入和输出的光之间传输预定频域的光; 第二光纤光栅（4），其在反射其他频率的光的同时，在从所述光调制器输入和输出的光之间传输预定频域的光; 以及产生要输入到光调制器（2）的调制信号的信号源（5）。

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