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    • 5. 发明申请
    • SILICON-BASED OPTICAL MODULATOR WITH IMPROVED EFFICIENCY AND CHIRP CONTROL
    • 基于硅的光学调制器,提高了效率和CHIRP控制
    • WO2010144346A3
    • 2011-02-24
    • PCT/US2010037591
    • 2010-06-07
    • 4LIGHTWIRE INCWEBSTER MARKROMANO RUSSELLSHASTRI KALPENDU
    • WEBSTER MARKROMANO RUSSELLSHASTRI KALPENDU
    • G02B6/26G02F1/01
    • G02F1/2257G02F2203/20G02F2203/25
    • A silicon-based optical modulator exhibiting improved modulation efficiency and control of ''chirp" (i.e., time-varying optical phase) is provided by separately biasing a selected, first region of the modulating device (e.g., the polysilicon region, defined as the common node). In particular, the common node is biased to shift the voltage swing of the silicon-based optical modulator into its accumulation region, which exhibits a larger change in phase as a function of applied voltage (larger OMA) and improved extinction ratio. The response in the accumulation region is also relatively linear, allowing for the chirp to be more easily controlled. The electrical modulation input signal (and its inverse) are applied as separate inputs to the second region (e.g., the SOI region) of each arm of the modulator.
    • 通过分别偏置调制器件的选定第一区域(例如,定义为多晶硅区域的多晶硅区域)来提供表现出改进的调制效率和“啁啾”(即,时变光学相位)的控制的基于硅的光学调制器 公共节点),特别是,公共节点被偏置以将硅基光调制器的电压摆动移动到其累积区域,该累积区域随着所施加的电压(较大的OMA)以及改善的消光比呈现较大的相位变化 ,在累积区域中的响应也是相对线性的,从而允许更容易地控制啁啾。电调制输入信号(及其反相)作为单独的输入被施加到每个区域的第二区域(例如,SOI区域) 调制器的手臂。
    • 6. 发明申请
    • SILICON-BASED OPTICAL MODULATOR WITH IMPROVED EFFICIENCY AND CHIRP CONTROL
    • 基于硅的光学调制器具有改进的效率和CHIRP控制
    • WO2010144346A8
    • 2011-12-08
    • PCT/US2010037591
    • 2010-06-07
    • LIGHTWIRE INCWEBSTER MARKROMANO RUSSELLSHASTRI KALPENDU
    • WEBSTER MARKROMANO RUSSELLSHASTRI KALPENDU
    • G02B6/26G02F1/01
    • G02F1/2257G02F2203/20G02F2203/25
    • A silicon-based optical modulator exhibiting improved modulation efficiency and control of ''chirp" (i.e., time-varying optical phase) is provided by separately biasing a selected, first region of the modulating device (e.g., the polysilicon region, defined as the common node). In particular, the common node is biased to shift the voltage swing of the silicon-based optical modulator into its accumulation region, which exhibits a larger change in phase as a function of applied voltage (larger OMA) and improved extinction ratio. The response in the accumulation region is also relatively linear, allowing for the chirp to be more easily controlled. The electrical modulation input signal (and its inverse) are applied as separate inputs to the second region (e.g., the SOI region) of each arm of the modulator.
    • 通过分别偏置调制装置的选定的第一区域(例如,多晶硅区域,被定义为时变光学相位)来提供表现出改善的调制效率和“啁啾”控制(即时变光学相位)的硅基光学调制器 公共节点),特别地,公共节点被偏置以将硅基光学调制器的电压摆幅移位到其累积区域中,其作为施加电压(较大的OMA)的函数呈现出较大的相位变化和改善的消光比 在积累区域中的响应也是相对线性的,允许啁啾更容易控制。电调制输入信号(及其反相)作为分别输入施加到每个的第二区域(例如,SOI区域) 调制器的臂。
    • 7. 发明申请
    • OPTICAL MODULATORS WITH CONTROLLABLE CHIRP
    • 光纤调制器与可控CHIRP
    • WO2011112360A3
    • 2011-12-22
    • PCT/US2011025984
    • 2011-02-24
    • LIGHTWIRE INCWEBSTER MARKSHASTRI KALPENDU
    • WEBSTER MARKSHASTRI KALPENDU
    • G02F1/025G02B6/12
    • G02F1/2257G02F1/025G02F2203/20G02F2203/25G02F2203/255
    • A semiconductor-based optical modulator is presented that includes a separate phase control section to adjust the amount of chirp present in the modulated output signal. At least one section is added to the modulator configuration and driven to create a pure "phase" signal that will is added to the output signal and modify the e if term inherent in the modulation function. The phase modulation control section may be located within the modulator itself (with one segment on each arm, driven by the same input signal), or may be disposed "outside" of the modulator on either the input waveguiding section or the output waveguiding section. The phase control section may be formed to comprise multiple segments (of different lengths), with the overall phase added to the propagating signal controlled by selecting the different segments to be energized to impart a phase delay to a signal propagating through the energized section(s).
    • 提出了一种基于半导体的光调制器,其包括单独的相位控制部分,以调节调制输出信号中存在的啁啾量。 至少一个部分被添加到调制器配置并被驱动以产生将被添加到输出信号并且修改调制功能中固有的e的纯“相”信号。 相位调制控制部分可以位于调制器本身内(每个臂上的一个段由相同的输入信号驱动),或者可以设置在输入波导部分或输出波导部分上的调制器的“外部”。 相位控制部分可以被形成为包括多个段(不同长度),其中通过选择不同的被激励的段来控制传播信号的总相位,以对传播通过激励部分的信号施加相位延迟 )。