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

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Title: Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs
Authors: Suemune, Ikuo Browse this author →KAKEN DB
Akazaki, Tatsushi Browse this author
Tanaka, Kazunori Browse this author
Jo, Masafumi Browse this author
Uesugi, Katsuhiro Browse this author
Endo, Michiaki Browse this author
Kumano, Hidekazu Browse this author →KAKEN DB
Hanamura, Eiichi Browse this author
Takayanagi, Hideaki Browse this author
Yamanishi, Masamichi Browse this author
Kan, Hirofumi Browse this author
Keywords: entangled photon pair
cooper pair
quantum dot
Issue Date: 2006
Publisher: Japan Society of Applied Physics
Journal Title: Japanese Journal of Applied Physics
Volume: 45
Issue: 12
Start Page: 9264
End Page: 9271
Publisher DOI: 10.1143/JJAP.45.9264
Abstract: 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.
Type: article (author version)
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 末宗 幾夫

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