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Hong-Ou-Mandel 간섭계를 이용한 Bell 상태

Generation of Bell states in a Hong-Ou-Mandel interferometer

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초록

제 1형의 매개하향변환에서 발생하는 광자쌍과 Hong-Ou-Mandel 간섭계를 이용하여 편광-얽힘 상태의 광자쌍을 선택적으로 발생 시키고,반파장판과4분파장판을 조합하여 4개의 Bell 상태 澱脾 擇 澱碧 를 구현하였다. 동시계수 측정에 의한 각 상태의 평균 선 명도는 77%이다.

Abstract

Bell states have been investigated in a Hong-Ou-Mandel interferometer using photon pairs from a type-1 SPDC. The four kinds of the Bell states, 司 擇餐 司 擇餐 潽 擇餐 潽 are created by placing 2 HWPs, 2 QWPs at outputs of the interferometer. They show an average visibility of 77% in the coincidence measurement.

참고문헌 (18)

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