About SANAKA K
About Univ. Tokyo at Komaba, Tokyo, JPN
About KAWAHARA K
About Univ. Tokyo at Komaba, Tokyo, JPN
About KUGA T
About Univ. Tokyo at Komaba, Tokyo, JPN
About Physical Review Letters
About Michelson interferometer
About optical path difference
About Quantum optics in general
About 量子エンタングルメント
About 光子対
About 高効率