• Title, Summary, Keyword: Semiconductor nonlinear optics including MQW

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Design and Demonstration of All-Optical XOR, AND, OR Gate in Single Format by Using Semiconductor Optical Amplifiers (반도체 광증폭기를 이용한 다기능 전광 논리 소자의 설계 및 측정)

  • Son, Chang-Wan;Yoon, Tae-Hoon;Kim, Sang-Hun;Jhon, Young-Min;Byun, Yung-Tae;Lee, Seok;Woo, Deok-Ha;Kim, Sun-Ho
    • Korean Journal of Optics and Photonics
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    • v.17 no.6
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    • pp.564-568
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    • 2006
  • Using the cross-gain modulation (XGM) characteristics of semiconductor optical amplifiers (SOAs), multi-functional all-optical logic gates, including XOR, AND, and OR gates are successfully simulated and demonstrated at 10Gbit/s. A VPI component maker^TM simulation tool is used for the simulation of multi-functional all-optical logic gates and the10 Cbit/s input signal is made by a mode-locked fiber ring laser. A multi-quantum well (MQW) SOA is used for the simulation and demonstration of the all-optical logic system. Our suggested system is composed of three MQW SOAs, SOA-1 and SOA-2 for XOR logic operation and SOA-2 and SOA-3 for AND logic operation. By the addition of two output signals XOR and AND, all-optical OR logic can be obtained.