Development of simple single photon source and its application to quantum state manipulation
Project/Area Number |
22340113
|
Research Category |
Grant-in-Aid for Scientific Research (B)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Atomic/Molecular/Quantum electronics
|
Research Institution | The University of Tokyo |
Principal Investigator |
KUGA Takahiro 東京大学, 大学院・総合文化研究科, 教授 (60195419)
|
Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2012: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2010: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
|
Keywords | 単一光子源 / 半導体ナノ粒子 / 1粒子計測 / 量子情報処理 / 量子暗号 / アンチバンチング / ナノファイバー / ポリマー薄膜 / コロイド量子ドット / 簡便な単一光子源 / 光導波路 / ブリンキング |
Research Abstract |
We constituted a much more simple and inexpensive single photon source than conventional ones. Semiconductor nanoparticles are embedded in a thin film of polymer and one of those particles are illuminated by a laser radiation. Because of the quantum confinement effect in nanoparticles, a single nanoparticle cannot emit multiple photons at one time, i.e. this system can work as a single photon source. We have obtained more than 10 thousand photons per second in a single mode fiber and confirmed the antibunching property, which is the clear evidence for a single photon source.
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Report
(4 results)
Research Products
(11 results)