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    • 8. 发明申请
    • APPARATUS AND METHOD FOR WAVELENGTH DIVISION MULTIPLEXING
    • 用于波长分割多路复用的装置和方法
    • WO0246803A3
    • 2002-10-10
    • PCT/US0148591
    • 2001-12-07
    • CIRVINE CORPZHAO BIN
    • ZHAO BIN
    • G02B6/34H04J14/02
    • G02B6/2938G02B6/29353G02B6/29355G02B6/29386H04J14/02
    • A dispersion mitigating interleaver assembly has a first unbalanced Mach-Zehnder interferometer (MZI) assembly which includes first and second output ports and which has first tranmission vs. wavelength curve and a first dispersion vs. wavelength curve. The dispersion mitigating interleaver assembly also includes a second unbalanced MZI assmbly which has a second transmission vs. wavelength curve and a second dispersion vs. wavelength curve. The second unbalanced MZI assembly receives an output from one of the first and second output ports of the first unbalanced MZI assembly. The second transmission vs. wavelength curve is substantially the same as the first transmission vs. wavelength curve and the second dispersion vs. wavelength curve is substantially opposite with rspect to the first dispersion vs. wavelength curve, such that dispersion is substantially cancelled by the cooperation of the first and second unbalanced MZI assemblies.
    • 分散减轻交错器组件具有第一不平衡马赫 - 曾德干涉仪(MZI)组件,其包括第一和第二输出端口,并且具有第一传输与波长曲线以及第一色散对波长曲线。 色散减轻交织器组件还包括具有第二透射相对于波长曲线和第二色散相对于波长曲线的第二不平衡MZI组合。 第二不平衡MZI组件从第一不平衡MZI组件的第一和第二输出端口之一接收输出。 第二透射率与波长曲线基本上与第一透射率相对于波长曲线相同,并且第二色散对波长曲线与第一色散相对于波长曲线相比基本相反,使得色散基本上被合作消除 的第一和第二不平衡MZI组件。
    • 9. 发明申请
    • CHANNEL MULTIPLEXER AND DEMULTIPLEXER FOR OPTICAL COMMUNICATIONS
    • 用于光通信的信道复用器和解复用器
    • WO0201773A3
    • 2002-05-23
    • PCT/US0120321
    • 2001-06-25
    • CIRVINE CORPZHAO BIN
    • ZHAO BIN
    • G02B6/34G02B27/28G02F1/01H04B14/06
    • G02B6/29302G02B6/272G02B6/2766G02B6/2773G02B6/29386
    • A low dispersion comb filter or interleaver comprises a first birefringent element assembly (3) having at least one birefringent element (4-6) and a second birefringent element assembly (10) having at least one other birefringent element (11-13). The first birefringent element assembly and the second birefringent element assembly are configured so as to cooperate with one another in a manner which mitigates dispersion of the interleaver. By aligning the polarization directions of the odd channels and the even channels so as to be parallel with respect to another prior to entering the second birefringent element assembly, zero or nearly zero dispersion is obtained simultaneously for both the odd and even channels.
    • 低色散梳状滤波器或交织器包括具有至少一个双折射元件(4-6)的第一双折射元件组件(3)和具有至少一个其他双折射元件(11-13)的第二双折射元件组件(10)。 第一双折射元件组件和第二双折射元件组件被配置为以减轻交织器的扩散的方式相互协作。 通过将奇数通道和偶数通道的偏振方向对齐,以便在进入第二双折射元件组件之前相对于另一个平行,所以对于奇数和偶数通道同时获得零或接近零色散。
    • 10. 发明申请
    • PEAK DETECTION WITH DIGITAL CONVERSION
    • 峰值检测与数字转换
    • WO2010120446A3
    • 2011-02-17
    • PCT/US2010028289
    • 2010-03-23
    • FREESCALE SEMICONDUCTOR INCZHAO BIN
    • ZHAO BIN
    • H03M1/12
    • G01R19/2506H05B33/0815H05B33/0827
    • A peak detection/digitization circuit (100) includes a plurality of level detect units (121, 122, 123), each having a comparator (124) and a flip-flop (126) with a clock input responsive to the output of the comparator. For a detection period, each level detect unit configures a data output signal of the flip-flop (126) to a first data state responsive to a start of the detection period. Further, each level detect unit is configured to enable the comparator responsive to the data output signal having the first data state or a second data state, respectively. While the comparator (124) is enabled during the detection period, the level detect unit configures the data output signal of the flip-flop (126) responsive to a comparison of an input signal to a corresponding reference voltage level by the comparator (124). The data output signals of the flip-flops of the level detect units (121, 122, 123) at the end of the detection period are used to determine a digital value representative of a peak voltage level of the input signal.
    • 峰值检测/数字化电路(100)包括多个电平检测单元(121,122,123),每个电平检测单元具有响应于比较器的输出的时钟输入的比较器(124)和触发器(126) 。 对于检测周期,响应于检测周期的开始,每个电平检测单元将触发器(126)的数据输出信号配置为第一数据状态。 此外,每个电平检测单元被配置为使得比较器能够分别响应于具有第一数据状态或第二数据状态的数据输出信号。 当在检测周期期间比较器(124)被使能时,电平检测单元响应于比较器(124)将输入信号与对应的参考电压电平进行比较来配置触发器(126)的数据输出信号, 。 在检测周期结束时,电平检测单元(121,122,123)的触发器的数据输出信号用于确定表示输入信号的峰值电压电平的数字值。