Journal of the Institute of Electronics Engineers of Korea SD (대한전자공학회논문지SD)

The Institute of Electronics and Information Engineers (대한전자공학회)
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A study of nonlinear interactions and optimum input parameters in all-optical phase-shift switches using ultrashort pulses with pulse-width less than 100fsec

100fsec이하의 극초단 광펄스를 사용하는 전광위상천이스위치에서 비선형상호작용 및 최적화 초기조건에 관한 연구

  • Yoon, Ki-Hong (School of Electronic and Electrical Engineering, Kyungpook National University) ;
  • Song, Jae-Won (School of Electronic and Electrical Engineering, Kyungpook National University)
  • 윤기홍 (경북대학교 전자전기공학부) ;
  • 송재원 (경북대학교 전자전기공학부)
  • Published : 2002.06.01
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Abstract

We study complicated nonlinear interactions of two orthogonally polarized pulses with pulse-width of less than 100fsec in the all-optical phase-shift switches, which use soliton pulse-train and fiber-splicing for control pulse to obtain multi-collisional $\pi$-phase-shift and consider Raman response function. We investigate switching performance in various input parameters such as input pulse-width and birefringence of fiber, and find optimum initial conditions for good switching performance in such all-optical switches.

본 논문에서는 π의 위상천이를 얻기 위해 솔리톤펄스열(soliton pulse-train)에 의한 다중충돌방법과 광섬유접합(fiber-splicing)에 의한 다중충돌방법을 사용하는 전광위상천이스위치(all-optical phase-shift switch)에서 백 펨토초(femtosecond)이하의 펄스폭을 가지는 두 극초단 직교펄스간의 복잡한 비선형상호작용을 비선형라만응답함수를 고려하여 연구하였다. 또한 이러한 전광스위치에서 입사펄스의 시간폭의 변화와 광섬유의 복굴절률의 변화에 따른 스위칭특성을 분석함으로 해서 π의 위상천이를 얻기 위한 최적의 초기조건을 찾을 수 있었다.

Keywords

References

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