Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs
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 Coope...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2006-12, Vol.45 (12R), p.9264 |
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| container_issue | 12R |
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| container_title | Japanese Journal of Applied Physics |
| container_volume | 45 |
| creator | Suemune, Ikuo Akazaki, Tatsushi Tanaka, Kazunori Jo, Masafumi Uesugi, Katsuhiro Endo, Michiaki Kumano, Hidekazu Hanamura, Eiichi Takayanagi, Hideaki Yamanishi, Masamichi Kan, Hirofumi |
| description | 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. |
| doi_str_mv | 10.1143/JJAP.45.9264 |
| format | Article |
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| title | Superconductor-Based Quantum-Dot Light-Emitting Diodes: Role of Cooper Pairs in Generating Entangled Photon Pairs |
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