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    Technique for photonic analog-to-digital signal conversion
    81.
    发明申请
    Technique for photonic analog-to-digital signal conversion 有权
    光子模拟 - 数字信号转换技术

    公开(公告)号：US20100277354A1

    公开(公告)日：2010-11-04

    申请号：US12387301

    申请日：2009-04-30

    申请人： Jaesik Lee ,  Young-Kai Chen

    发明人： Jaesik Lee ,  Young-Kai Chen

    IPC分类号： H03M1/12

    CPC分类号： H03M1/1215 ,  G02F7/00

    摘要： In an inventive photonic analog-to-digital signal converter (ADC), multiple opto-electric sampling devices are employed to successively sample an analog signal input. Optical clock signals having the same frequency but different clock phases are used, which are associated with the opto-electric sampling devices, respectively. Each sampling device takes samples of the analog signal input in response to the optical clock signal associated therewith. The resulting samples are processed to produce quantized samples. The inventive ADC outputs a digital signal representing the quantized samples.

    摘要翻译： 在本发明的光子模拟 - 数字信号转换器（ADC）中，采用多个光电采样装置来连续采样模拟信号输入。 使用具有相同频率但不同时钟相位的光时钟信号，其分别与光电采样装置相关联。 每个采样装置响应于与其相关联的光时钟信号来采样模拟信号输入。 处理所得样品以产生量化样品。 本发明的ADC输出表示量化样本的数字信号。

    INTEGRATED OPTOELECTRONIC SYSTEM FOR AUTOMATIC CALIBRATION OF AN OPTICAL DEVICE
    82.
    发明申请
    INTEGRATED OPTOELECTRONIC SYSTEM FOR AUTOMATIC CALIBRATION OF AN OPTICAL DEVICE 审中-公开
    用于自动校准光学器件的集成光电系统

    公开(公告)号：US20090161113A1

    公开(公告)日：2009-06-25

    申请号：US11960017

    申请日：2007-12-19

    申请人： Young-Kai Chen ,  Sanjay Patel ,  Mahmoud Rasras ,  Kun-Yii Tu

    发明人： Young-Kai Chen ,  Sanjay Patel ,  Mahmoud Rasras ,  Kun-Yii Tu

    IPC分类号： G01B9/02

    CPC分类号： G02B6/12007 ,  G02B6/29353 ,  G02B6/29395 ,  G02F1/0147 ,  G02F2203/15

    摘要： An apparatus and method for automated calibration of an optical device are disclosed. The apparatus is an integrated optoelectronic system that includes input and output optical waveguides, a tunable optical device, an optical source, an optical detector, and an electronic controller formed on a single substrate. The tunable optical device has one or more tuning elements for varying one or more characteristics of the device. The optical source is coupled to the input waveguide for providing a calibration signal to the device. The optical detector is coupled to the output optical waveguide for measuring an intensity of the optical signal output by the device in response to receiving the calibration signal. The electronic controller is configured to perform a calibration of the device by varying a parameter of each tuning element and to receive intensity measurements of the optical signal output by the device as a function of the varied parameter.

    摘要翻译： 公开了一种用于光学装置的自动校准的装置和方法。 该装置是集成光电系统，其包括输入和输出光波导，可调谐光学装置，光源，光学检测器和形成在单个基板上的电子控制器。 可调光学器件具有用于改变器件的一个或多个特性的一个或多个调谐元件。 光源耦合到输入波导，以向设备提供校准信号。 光学检测器耦合到输出光波导，用于响应于接收到校准信号来测量器件输出的光信号的强度。 电子控制器被配置为通过改变每个调谐元件的参数来执行设备的校准，并且根据变化的参数来接收设备输出的光信号的强度测量值。

    BALANCED OPTICAL SIGNAL PROCESSOR
    83.
    发明申请
    BALANCED OPTICAL SIGNAL PROCESSOR 有权
    平衡光信号处理器

    公开(公告)号：US20090154940A1

    公开(公告)日：2009-06-18

    申请号：US11957725

    申请日：2007-12-17

    申请人： Young-Kai Chen ,  Andreas Bertold Leven ,  Mahmoud Rasras ,  Kun-Yii Tu

    发明人： Young-Kai Chen ,  Andreas Bertold Leven ,  Mahmoud Rasras ,  Kun-Yii Tu

    IPC分类号： H04B10/06

    CPC分类号： H04B10/00 ,  H04B2210/006

    摘要： An apparatus and method for reducing electrical signal intermodulation by processing a balanced electrical signal in the optical domain in a manner adapted to reduce noise and second order intermodulation, and converting the processed optical signal back to an electrical domain signal with either a single or balanced (differential) outputs.

    摘要翻译： 一种用于通过以适于减少噪声和二阶互调的方式处理光域中的平衡电信号并且将经处理的光信号转换回具有单个或平衡的电域信号的方式来减少电信号互调的装置和方法 差分）输出。

    Ridge and mesa optical waveguides
    84.
    发明申请
    Ridge and mesa optical waveguides 有权
    脊和台面光波导

    公开(公告)号：US20090111201A1

    公开(公告)日：2009-04-30

    申请号：US12286224

    申请日：2008-09-29

    申请人： Young-Kai Chen ,  Andreas Bertold Leven ,  Yang Yang

    发明人： Young-Kai Chen ,  Andreas Bertold Leven ,  Yang Yang

    IPC分类号： H01L21/02

    CPC分类号： G02B6/122 ,  G02B6/131 ,  G02B6/136 ,  G02B2006/12097

    摘要： Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction generally away from, the top surface; the optically conductive peak having first and second lateral walls each including distal and proximal lateral wall portions, the proximal lateral wall portions intersecting the top surface; and first and second sidewall layers located on the distal lateral wall portions, the sidewall layers not intersecting the top surface and spanning a second thickness that is less than the first thickness measured in the same direction.

    摘要翻译： 设备包括：具有基本平坦的顶表面的基底层; 位于并延伸并且跨越在大致远离顶表面的方向测量的第一厚度的光导体峰; 所述光导体峰具有第一和第二侧壁，每个侧壁包括远侧和近侧壁部分，所述近侧壁部分与所述顶表面相交; 以及位于所述远侧壁部分上的第一和第二侧壁层，所述侧壁层不与所述顶表面相交并跨越在相同方向上测量的小于所述第一厚度的第二厚度。

    Ridge and mesa optical waveguides
    85.
    发明授权
    Ridge and mesa optical waveguides 有权
    脊和台面光波导

    公开(公告)号：US07454112B2

    公开(公告)日：2008-11-18

    申请号：US11394780

    申请日：2006-03-31

    申请人： Young-Kai Chen ,  Andreas Bertold Leven ,  Yang Yang

    发明人： Young-Kai Chen ,  Andreas Bertold Leven ,  Yang Yang

    IPC分类号： G02B6/10 ,  G02B6/00

    CPC分类号： G02B6/122 ,  G02B6/131 ,  G02B6/136 ,  G02B2006/12097

    摘要： Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction generally away from, the top surface; the optically conductive peak having first and second lateral walls each including distal and proximal lateral wall portions, the proximal lateral wall portions intersecting the top surface; and first and second sidewall layers located on the distal lateral wall portions, the sidewall layers not intersecting the top surface and spanning a second thickness that is less than the first thickness measured in the same direction.

    摘要翻译： 设备包括：具有基本平坦的顶表面的基底层; 位于并延伸并且跨越在大致远离顶表面的方向测量的第一厚度的光导体峰; 所述光导体峰具有第一和第二侧壁，每个侧壁包括远侧和近侧壁部分，所述近侧壁部分与所述顶表面相交; 以及位于所述远侧壁部分上的第一和第二侧壁层，所述侧壁层不与所述顶表面相交并跨越在相同方向上测量的小于所述第一厚度的第二厚度。

    Frequncy estimation in an intradyne optical receiver
    86.
    发明申请
    Frequncy estimation in an intradyne optical receiver 有权
    内插光接收机中的频率估计

    公开(公告)号：US20080152361A1

    公开(公告)日：2008-06-26

    申请号：US11644536

    申请日：2006-12-22

    申请人： Young-Kai Chen ,  Noriaki Kaneda ,  Ut-Va Koc ,  Andreas Bertold Leven

    发明人： Young-Kai Chen ,  Noriaki Kaneda ,  Ut-Va Koc ,  Andreas Bertold Leven

    IPC分类号： H04B10/06

    CPC分类号： H04B10/611 ,  H04B10/61 ,  H04B10/6161 ,  H04B10/6164 ,  H04B10/6165 ,  H04B10/6166

    摘要： A method for determining symbols PSK modulated on an optical carrier includes interfering a first polarization component of the modulated optical carrier and a reference optical carrier in a first optical mixer and interfering the first polarization component of the modulated optical carrier and the reference with a different relative phase in a second optical mixer. The method also includes sampling the interfered carriers from the first optical mixer to produce first digital sampled values and sampling the interfered carriers from the second optical mixer to produce second digital sampled values. The first and second digital sampled values of a sampling period form a first complex sampling value thereof. The method also includes offsetting a phase of a complex signal value corresponding to each first complex sampling value to correct for a phase error caused by a frequency offset between the modulated and reference optical carriers.

    摘要翻译： 一种用于确定在光载波上调制的符号PSK的方法包括：在第一光混合器中干扰调制光载波的第一偏振分量和参考光载波，并将调制的光载波的第一偏振分量与参考用不同的相对 在第二光学混合器中。 该方法还包括对来自第一光混合器的受干扰载波进行采样，以产生第一数字采样值，并对来自第二光混合器的干扰载波进行采样以产生第二数字采样值。 采样周期的第一和第二数字采样值形成其第一复数采样值。 该方法还包括抵消对应于每个第一复数采样值的复信号值的相位，以校正由调制参考光载波之间的频率偏移引起的相位误差。

    Inphase/quadrature phase imbalance compensation
    87.
    发明申请
    Inphase/quadrature phase imbalance compensation 审中-公开
    同相/正交相位不平衡补偿

    公开(公告)号：US20060109893A1

    公开(公告)日：2006-05-25

    申请号：US10998122

    申请日：2004-11-24

    申请人： Hsin-Hung Chen ,  Jiunn-Tsair Chen ,  Young-Kai Chen ,  Po-Chiun Huang ,  Kun-Yii Tu

    发明人： Hsin-Hung Chen ,  Jiunn-Tsair Chen ,  Young-Kai Chen ,  Po-Chiun Huang ,  Kun-Yii Tu

    IPC分类号： H04L5/16

    CPC分类号： H04L27/364 ,  H04B1/30 ,  H04L27/3863 ,  H04L2027/0016 ,  H04L2027/0022

    摘要： A transceiver includes a transmitter, a receiver, and an electrical feedback line. The transmitter has a quadrature-modulator and is configurable to compensate inphase/quadrature phase imbalances produced by hardware of the transmitter. The quadrature-modulator is configured to quadrature-modulate a carrier wave. The receiver has a quadrature-demodulator and is configurable to compensate for inphase/quadrature phase imbalances produced by hardware in the receiver. The quadrature-demodulator is configured to demodulate a quadrature-demodulated carrier. The electrical feedback line connects an output of the transmitter to an input of the receiver.

    摘要翻译： 收发器包括发射器，接收器和电反馈线。 发射机具有正交调制器，可配置为补偿发射机硬件产生的同相/正交相位不平衡。 正交调制器被配置为对载波进行正交调制。 接收机具有正交解调器，可配置为补偿接收机中由硬件产生的同相/正交相位不平衡。 正交解调器被配置为解调正交解调载波。 电反馈线将发射机的输出连接到接收机的输入。

    Adaptive joint linearization, equalization and delay alignment for a wideband power amplifier
    88.
    发明授权
    Adaptive joint linearization, equalization and delay alignment for a wideband power amplifier 失效
    用于宽带功率放大器的自适应联合线性化，均衡和延迟对准

    公开(公告)号：US06172565B2

    公开(公告)日：2001-01-09

    申请号：US09041604

    申请日：1998-03-13

    申请人： Jiunn-Tsair Chen ,  Young-Kai Chen ,  Huan-Shang Tsai

    发明人： Jiunn-Tsair Chen ,  Young-Kai Chen ,  Huan-Shang Tsai

    IPC分类号： H03F126

    CPC分类号： H03F1/3229

    摘要： A feedforward linearizer includes a signal cancellation circuit and an error cancellation circuit. The signal cancellation circuit includes a tap delay line, that delay the input signal by a predetermined time delay so as to provide several delayed versions of the input signal. Each delayed version of the input signal is weighted by a tap coefficient. The weighted signals are then added together and fed to the power amplifier. The tap coefficients are derived such that the signals traveling through the upper and lower branch of the signal cancellation loop are aligned and that the output signal of the power amplifier is equalized.

    摘要翻译： 前馈线性化电路包括信号消除电路和误差消除电路。 信号消除电路包括抽头延迟线，其将输入信号延迟预定的时间延迟，以便提供输入信号的几个延迟版本。 每个延迟版本的输入信号由抽头系数加权。 然后将加权信号相加并馈送到功率放大器。 导出抽头系数，使得通过信号消除环路的上部和下部分支行进的信号被对准，并且功率放大器的输出信号相等。