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Role of Cooper pairs for the generation of entangled photon pairs from single quantum dots |
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| Authors: | I. Suemune T. Akazaki K. Tanaka M. Jo K. Uesugi M. Endo H. Kumano E. Hanamura |
| Affiliation: | 1. RIES, Hokkaido University, Sapporo 001-0021, Japan;2. Japan Science and Technology Corporation (CREST), Saitama 332-0012, Japan;3. NTT Basic Research Laboratory, Atsugi 243-0198, Japan;4. Central Laboratory, Hamamatsu Photonics, Hamamatsu 434-8601, Japan;5. Faculty of Engineering, Muroran Institute of Technology, Muroran 050-8585, Japan;6. Photonics Science, Chitose Institute of Science and Technology, Chitose 066-8655, Japan |
| Abstract: | Generation of entangled photon pairs from semiconductor quantum dots (QDs) is highly desirable for realizing practical solid-state photon sources for quantum information processing and quantum cryptography. However, the energy splitting of exciton states in QDs almost prevent the generation of entangled photon pairs. This paper discusses the new possibility with the injection of electron as well as hole Cooper pairs into QDs. |
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