한국광학회지 (Korean Journal of Optics and Photonics)

  • 제14권2호
  • /
  • Pages.130-134
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  • 2003
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  • 1225-6285(pISSN)
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  • 2287-321X(eISSN)
한국광학회 (Optical Society of Korea)
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광자쌍을 이용한 Hanbury Brown-Twiss 실험

Hanbury brown-Twiss effect in a two-photon interference experiment

  • 김헌오 (울산대학교 수학 및 물리기술학부) ;
  • 고정훈 (울산대학교 수학 및 물리기술학부) ;
  • 박구동 (울산대학교 수학 및 물리기술학부) ;
  • 김태수 (울산대학교 수학 및 물리기술학부)
  • Kim, Heon-Oh (School of Mathematics and Applied Physics, University of Ulsan) ;
  • Ko, Jeong-Hoon (School of Mathematics and Applied Physics, University of Ulsan) ;
  • Park, Goo-Dong (School of Mathematics and Applied Physics, University of Ulsan) ;
  • Kim, Tae-Soo (School of Mathematics and Applied Physics, University of Ulsan)
  • 발행 : 2003.04.01
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초록

매개하향변환과정에서 발생한 광자쌍과 Hong-Ou-Handel 간섭계를 이용한 4차 간섭실험에서 두 광자가 빔분할기에 동시에 입사할 때 빔분할기의 한 쪽 출구로만 두 광자가 쌍을 이루어 빠져나가는 두-광자의 공간적인 뭉침 효과를 관측하였다. 또한 검출기의 단일광자 시간 분해능보다 짧은 시간에 두 광자가 쌍으로 입사할 때 하나의 검출기에 의한 단일계수와 비교하였다.

We present experimental observations of two-photon spatial bunching effect in a two-photon interference experiment by using the photon pairs produced by parametric down-conversion and the Hong-Ou-Mandel interferometer. We show that this pairing behavior is observed by coincidence detection, but gives a negligible effect for a single count.

키워드

참고문헌

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