Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Supercontinuum Generation with Femtosecond Pulses and Photonic Crystal Fibers

펨토초 펄스와 광결정 광섬유를 이용한 초 연속스펙트럼의 발생

  • Choi, Hyoung-Gye (Nanophotonics Laboratory, Advanced Photonics Research Institute, and School of Photon Science and Technology GIST) ;
  • Kim, So-An (Nanophotonics Laboratory, Advanced Photonics Research Institute, and School of Photon Science and Technology GIST) ;
  • Kee, Chul-Sik (Nanophotonics Laboratory, Advanced Photonics Research Institute, and School of Photon Science and Technology GIST) ;
  • Sung, Jae-Hee (Femto-Science Laboratory, Advanced Photonics Research Institute, GIST) ;
  • Yu, Tae-Jun (Femto-Science Laboratory, Advanced Photonics Research Institute, GIST) ;
  • Ko, Do-Kyeong (Femto-Science Laboratory, Advanced Photonics Research Institute, GIST) ;
  • Lee, Jong-Min (Femto-Science Laboratory, Advanced Photonics Research Institute, GIST)
  • 최형규 (광주과학기술원 고등광기술연구소 나노광학연구실) ;
  • 김소은 (광주과학기술원 고등광기술연구소 나노광학연구실) ;
  • 기철식 (광주과학기술원 고등광기술연구소 나노광학연구실) ;
  • 성재희 (광주과학기술원 고등광기술연구소 펨토과학연구실) ;
  • 유태준 (광주과학기술원 고등광기술연구소 펨토과학연구실) ;
  • 고도경 (광주과학기술원 고등광기술연구소 펨토과학연구실) ;
  • 이종민 (광주과학기술원 고등광기술연구소 펨토과학연구실)
  • Published : 2007.10.25
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Abstract

The characteristics of the supercontinuum generated in photonic crystal fibers were investigated by using the generalized nonlinear $Schr\"{o}dinger$ equation and the split-step Fourier method. Based on the simulated results, we generated the supercontinuum spectrum with the flatness of ${\pm}4dB$ in the wavelength range of 650 to 900 nm by employing a 200-fs pulse of Ti:sapphire laser and a commercial photonic crystal fiber.

광결정 광섬유에서 생성되는 초 연속스펙트럼의 특성을 일반화된 비선형 슈뢰딩거 방정식과 split step 퓨리에 방법을 이용하여 전산모사 하였다. 그 결과를 바탕으로 200 fs 펄스폭을 갖는 Ti:sapphire 레이저와 광결정 광섬유를 이용하여 650nm부터 900nm에 이르는 파장영역에서 ${\pm}4dB$ 이하의 평탄도를 가지는 초 연속스펙트럼을 실험적으로 생성하였다.

Keywords

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