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1.发明授权Method for evaluating characteristic of optical modulator having mach-zehnder interferometer 有权用于评估马赫 - 泽德干涉仪的光学调制器特性的方法公开(公告)号：US08867042B2
公开(公告)日：2014-10-21
申请号：US13394382
申请日：2009-09-07
CPC分类号： G02B6/29355 , G02F1/225 , G02F2001/212 , G02F2203/69
摘要： A method for evaluating a characteristic of, especially, each of Mach-Zehnder interferometers (MZIs) of an optical modulator. The method includes a step of measuring the intensity of the output of the optical modulator containing MZIs and a step of evaluating a characteristic of each MZI by using the sideband. The output intensity measuring step is the one of measuring the intensity Sn,k of the sideband signal contained in the output light from the optical modulator. The characteristic evaluating step is the one of evaluating a characteristic of the MZIk by using the Sn,k.
摘要翻译： 用于评估特别是光调制器的马赫 - 策德尔干涉仪（MZI）的特性的方法。 该方法包括测量包含MZI的光调制器的输出强度的步骤和通过使用边带来评估每个MZI的特性的步骤。 输出强度测量步骤是测量包含在来自光调制器的输出光中的边带信号的强度Sn，k。 特征评估步骤是通过使用Sn，k来评估MZIk的特性之一。
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公开(公告)号：US08472107B2
公开(公告)日：2013-06-25
申请号：US13159397
申请日：2011-06-13
CPC分类号： G02F1/353 , G02F2001/212
摘要： It is an object of the present invention to provide an apparatus that can obtain a multiplied harmonic signal fast and with ease, and the method using the apparatus.The object is attained by the method for obtaining a multiple harmonic signal comprises, suppressing a different parity optical signal having parity different from fundamental optical signals; suppressing residual optical signals using an optical filter after suppressing the different parity optical signal; and obtaining the frequency difference component using the fundamental optical signals, and the device realizing the method.
摘要翻译： 本发明的目的是提供一种能够快速且容易地获得倍增谐波信号的装置，以及使用该装置的方法。 该目的是通过用于获得多重谐波信号的方法来实现的，包括：抑制具有与基本光信号不同的奇偶校验的不同奇偶校验光信号; 在抑制不同奇偶校验光信号之后，使用滤光器抑制残留光信号; 并使用基本光信号获得频差分量，以及实现该方法的装置。
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3.发明授权Method for evaluating characteristics of optical modulator having high-precision Mach-Zehnder interferometers 有权用于评估具有高精度马赫 - 曾德干涉仪的光学调制器特性的方法公开(公告)号：US08351047B2
公开(公告)日：2013-01-08
申请号：US12921235
申请日：2008-03-07
IPC分类号： G01B9/02
CPC分类号： G02F1/225 , G02F2001/212 , G02F2201/18 , G02F2203/69
摘要： ProblemAn object is to provide a method for evaluating characteristics of individual Mach-Zehnder (MZ) interferometers in an optical modulator which includes a plurality of MZ interferometers,Means for Solving ProblemsThe method comprises a step for adjusting a bias voltage of the MZ interferometer, a step for eliminating zero-order components, a step for measuring an output intensity and a step for evaluating characteristics. An optical modulator (1) includes the first MZ interferometer (2) and the second MZ interferometer (3). The first MZ interferometer (2) includes wave-branching section (5). Two arms (6,7), wave coupling section (8) and electrodes which is not shown in figures.
摘要翻译： 问题目的是提供一种用于评估包括多个MZ干涉仪的光学调制器中的各个马赫 - 曾德（MZ）干涉仪的特性的方法，该方法包括用于调整MZ干涉仪偏置电压的步骤 消除零级分量的步骤，测量输出强度的步骤和用于评估特性的步骤。 光调制器（1）包括第一MZ干涉仪（2）和第二MZ干涉仪（3）。 第一MZ干涉仪（2）包括波分支部分（5）。 两个臂（6,7），波形耦合部分（8）和电极，未示于图中。
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公开(公告)号：US07864330B2
公开(公告)日：2011-01-04
申请号：US12095378
申请日：2006-11-24
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。
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公开(公告)号：US07787121B2
公开(公告)日：2010-08-31
申请号：US12175033
申请日：2008-07-17
IPC分类号： G01N21/25
CPC分类号： G01J3/51 , A61B1/00163 , A61B1/00186 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0669 , G01J3/36 , G01J3/513 , H04N5/2256 , H04N5/33 , H04N9/045 , H04N9/07 , H04N9/09 , H04N2209/043 , H04N2209/044 , H04N2209/045
摘要： An imaging apparatus includes a light source unit that selectively outputs white light and light in a different wavelength band to an observation target, an imaging unit including an imaging device, and a spectral image formation circuit that generates a spectral image signal for a specified wavelength by an operation using an image signal based on an output from the imaging unit and predetermined matrix data. The imaging unit selectively obtains an image of the observation target for each of first, second and third light components in a visible light region and an image for each of at least fourth and fifth light components in a near-infrared region. Further, the imaging unit includes first spectral devices that make only the first and fourth light components enter first pixels of the imaging device and second spectral devices that make only the second and fifth light components enter second pixels thereof.
摘要翻译： 一种成像设备包括：光源单元，其选择性地将白光和不同波长带的光输出到观察对象;成像单元，包括成像装置;以及光谱图像形成电路，其通过以下方式产生特定波长的光谱图像信号 使用基于来自成像单元的输出的图像信号和预定矩阵数据的操作。 成像单元在近红外区域中选择性地获得可见光区域中的第一，第二和第三光分量中的每一个的观察目标图像和用于至少第四和第五光分量中的每一个的图像。 此外，成像单元包括仅使第一和第四光分量进入成像装置的第一像素的第一光谱装置和仅使第二和第五光分量进入其第二像素的第二光谱装置。
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6.发明授权公开(公告)号：US07711215B2
公开(公告)日：2010-05-04
申请号：US12065278
申请日：2006-08-30
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。
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公开(公告)号：US07660030B2
公开(公告)日：2010-02-09
申请号：US12063436
申请日：2006-08-09
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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公开(公告)号：US20090304393A1
公开(公告)日：2009-12-10
申请号：US12306117
申请日：2006-06-23
IPC分类号： H04B10/04
CPC分类号： G02F1/2255
摘要： It is an object to provide an optical frequency control device or the like which can quickly carry out control over a wide frequency range. The object is achieved by an optical frequency control device or the like comprised of an optical SSB modulator (2), a bias voltage source (3) for applying a bias voltage to the optical SSB modulator (2), and a modulating signal source (4) for applying a modulating signal to the optical SSB modulator (2), wherein the modulating signal source (4) is provided with an arbitrary waveform generator (5) for generating an electrical signal with an arbitrary waveform, and an electrical signal multiplier (6) for multiplying a frequency of the electrical signal generated by the arbitrary waveform generator (5).
摘要翻译： 本发明的目的是提供一种能够在宽频率范围内快速进行控制的光频控制装置等。 该目的通过由光学SSB调制器（2），用于向光学SSB调制器（2）施加偏置电压的偏置电压源（3）和调制信号源（2）的光学频率控制装置等实现， 4）用于向光学SSB调制器（2）施加调制信号，其中调制信号源（4）设有用于产生具有任意波形的电信号的任意波形发生器（5）和电信号乘法器 6），用于乘以由任意波形发生器（5）产生的电信号的频率。
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公开(公告)号：US20090290148A1
公开(公告)日：2009-11-26
申请号：US12095378
申请日：2006-11-24
IPC分类号： G01J1/34
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。
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公开(公告)号：US20090279825A1
公开(公告)日：2009-11-12
申请号：US12064597
申请日：2006-08-23
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，由此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。
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