Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs

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概要

• 論文の詳細を見る

• The realization of solid-state photon sources that are capable of on-demand generation of an entangled single-photon pair at a time is highly desired for quantum information processing and communication. A new method of generating an entangled single-photon pair at a time is proposed employing Cooper-pair-related radiative recombination in a quantum dot (QD). Cooper pairs are bosons and the control of their number states is difficult. Pauli's exclusion principle on quasiparticles in a discrete state of a QD regulates the number state of the generated photon pairs in this scheme. The fundamental heterostructures for constructing superconductor-based quantum-dot light-emitting diodes (SQ-LEDs) and the fundamental operation conditions of SQ-LED will be discussed. The experimental studies on Cooper-pair injection into the related semiconductor structures will be also discussed.

• Japan Society of Applied Physicsの論文
• 2006-12-15

著者

• JO Masafumi

  Research Institute for Electronic Science, Hokkaido University

• KUMANO Hidekazu

  Research Institute for Electronic Science, Hokkaido University

• Suemune Ikuo

  Research Institute For Electronic Science Hokkaido University

• Hanamura Eiichi

  Faculty Of Photonics Science And Technology Chitose Institute Of Science And Technology And Crest Ja

• Kan Hirofumi

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Akazaki Tatsushi

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Tanaka Kazunori

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Uesugi Katsuhiro

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Endo Michiaki

  Reseach Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan

• Takayanagi Hideaki

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Yamanishi Masamichi

  Japan Science and Technology Corporation (CREST), Kawaguchi, Saitama 332-0012, Japan

• Kumano Hidekazu

  Reseach Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan

• Jo Masafumi

  Reseach Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan

• Suemune Ikuo

  Reseach Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan

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