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1 个结果
  • 简介:All-opticalswitchinghasbeentheoreticallyanalyzedinthe3,3'-diethyl-2,2'-thiatricarbocyanineiodide(DTTCI)carbocyaninedyethatexhibitslargeexcited-stateabsorptiontoachievehighcontrastandfastswitching.Switchinghasbeenanalyzedbothnsandpspumppulsewidths.Itisshownthatthereisanoptimumvalueofconcentrationforgivenpeakpumpintensityatwhichmaximummodulationcanbeachieved.Wecanget93.84%modulationoftransmissionofaCWprobelaserbeamat532nmatpeakpumpingintensityof500kW/cm2at763nm,with?t=1nsandconcentrationof80μMinalcohol,resultinginswitch-offandontimeof2nsand8ns,respectively.Theresultshavebeenalsousedtodesignall-opticalNOTandtheuniversalNORandNANDlogicgateswithmultiplepumplaserpulses.

  • 标签: 全光开关 激发态吸收 激光束传输 快速切换 高对比度 脉冲宽度