2007 Fiscal Year Final Research Report Summary
Quantum non-demolition measurement with measurement and feed-forward
| Project/Area Number |
18340117
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
原子・分子・量子エレクトロニクス・プラズマ
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| Research Institution | The University of Tokyo |
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Principal Investigator |
FURUSAWA Akira The University of Tokyo, Graduate Schol of Engineering, Professor (90332569)
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| Co-Investigator(Kenkyū-buntansha) |
AOKI Takao The University of Tokyo, Graduate School of Engineering, Research Associate (10343146)
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| Project Period (FY) |
2006 – 2007
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| Keywords | Quantum non-demolition measurement / Squeezer / Quantum entanglemnt / Squeezed light |
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| Research Abstract |
We succeeded in creating highly squeezed states of light and our record of squeezing level was 9 dB. By using such highly squeezed states of light, we succeeded in creating high level of quantum entanglement. Moreover, we succeeded in building a universal squeezer with the high level of quantum entanglement and measurement and feed-forward" technique.
By combining two universal squeezers with two beam splitters, we succeeded in building a setup for quantum non-demolition interaction. Finally, we succeeded in quantum non-demolition measurement in two conjugate variables and checked the existence of quantum entanglement between outputs.
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Research Products
(142 results)
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[Presentation] A study for suppression of radiation pressure noise using ponderomotive squeezing in gravitational wave detectors2007
Author(s)
S. Sakata, V. Leonhardt, S. Kawamura, K. Numata, O. Miyakawa, S. Sato, A. Nishizawa, T. Yamazaki, M. Fukushima, A. Furusawa, and A. Sugamoto
Organizer
7th Edoardo Amaldi Conference on Gravitational Waves
Place of Presentation
Sydney
Year and Date
20070708-14
Description
「研究成果報告書概要(和文)」より
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[Presentation] Nine-mode quantum error correction III2007
Author(s)
T. Kajiya、T. Aoki、Samuel L. Braunstein、A. Furusawa
Organizer
The Physical Society of Japan 2007 spring meeting, 21pXK-10
Place of Presentation
Kagoshima University (Kagoshima)
Year and Date
2007-03-21
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Quantum teleportation of higher fidelity2007
Author(s)
M. Yukawa、H. Uchigaito、Y. Miwa、H. Yonezawa、A. Furusawa
Organizer
The Physical Society of Japan 2007 spring meeting, 21pXK-12
Place of Presentation
Kagoshima University (Kagoshima)
Year and Date
2007-03-21
Description
「研究成果報告書概要(欧文)」より
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[Presentation] 量子情報ネットワーク2006
Author(s)
古澤明
Organizer
ナノ量子情報エレクトロニクスセミナー
Place of Presentation
東京大学生産技術研究所
Year and Date
2006-12-21
Description
「研究成果報告書概要(和文)」より
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[Presentation] 量子情報ネットワーク2006
Author(s)
古澤明
Organizer
ナノ量子情報エレクトロニクス研究機構発足記念講演
Place of Presentation
東京大学生産技術研究所
Year and Date
2006-10-30
Description
「研究成果報告書概要(和文)」より
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[Presentation] Quantum information network2006
Author(s)
A. Furusawa
Organizer
Institute of nano quantum information electronics memorial kick-off meeting
Place of Presentation
The University of Tokyo, Institute of industrial Science
Year and Date
2006-10-30
Description
「研究成果報告書概要(欧文)」より
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[Presentation] 量子情報ネットワーク2006
Author(s)
古澤明
Organizer
光エレクトロニクス第130委員会
Place of Presentation
東京理科大学 森戸記念館
Year and Date
2006-07-14
Description
「研究成果報告書概要(和文)」より
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[Presentation] 量子情報技術の現状と展望2006
Author(s)
古澤明
Organizer
原子・分子・光科学(AMO)第3回討論会
Place of Presentation
東京大学駒場キャンパス
Year and Date
2006-06-16
Description
「研究成果報告書概要(和文)」より
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[Presentation] Quantum information network2006
Author(s)
A. Furusawa
Organizer
Nano quantum information electronics seminar
Place of Presentation
The University of Tokyo, Institute of industrial Science
Year and Date
2006-02-21
Description
「研究成果報告書概要(欧文)」より
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