講演名 | 2008-02-29 QUANTUM INFORMATION AND QUANTUM PHYSICS IN SPACE , |
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抄録(英) | Quantum entanglement is at the heart of quantum physics. At the same time it is the basis for novel quantum communication schemes, such as quantum cryptography even over global distances. Bringing quantum entanglement to the space environment will open a new range of fundamental physics experiments, and will provide unique opportunities for quantum communication applications. We proposed tests of quantum communication in space, whereby an entangled photon Source is placed onboard the ISS, and two entangled photons are transmitted via a simultaneous down link and received at two distant ground stations. Furthermore, performing a series of consecutive single down links with separate ground stations will enable a test of establishing quantum cryptography even on a global scale. This so called "Space-QUEST" proposal was submitted within ESA's OA-2004 and was rated as 'outstanding' because of both, a novel and imaginative scientific content and for technological applications of quantum cryptography respectively. NICT and the Austrian Academy of Science are collaborating to perform a series of proof-of-principle experiments in order to investigate possible influences of the atmosphere on the polarization of light transmitted through. |
キーワード(和) | |
キーワード(英) | Quantum Mechanics / Quantum communication / Quantum Key distribution / Entanglement |
資料番号 | SAT2007-69 |
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研究会情報 | |
研究会 | SAT |
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開催期間 | 2008/2/21(から1日開催) |
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講演論文情報詳細 | |
申込み研究会 | Satellite Telecommunications (SAT) |
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本文の言語 | ENG |
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サブタイトル(和) | |
タイトル(英) | QUANTUM INFORMATION AND QUANTUM PHYSICS IN SPACE |
サブタイトル(和) | |
キーワード(1)(和/英) | / Quantum Mechanics |
第 1 著者 氏名(和/英) | / Rupert URSIN |
第 1 著者 所属(和/英) | Faculty of Physics, University of Vienna |
発表年月日 | 2008-02-29 |
資料番号 | SAT2007-69 |
巻番号(vol) | vol.107 |
号番号(no) | 497 |
ページ範囲 | pp.- |
ページ数 | 3 |
発行日 |