| Modulated Photon Emission of Eu^3＋ in Microsphere Cavity |
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| 作者姓名： | 杨勇 韩正甫 董春华 肖云峰 郭光灿 |
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| 作者单位： | Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60537020 and 60121503, the Knowledge Innovation Project of Chinese Academy of Sciences. |
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| 摘 要： | Fused silica microsphere with a few Eu^3＋ ions on the equator is fabricated. The photon emission sharply modulated by whispering gallery （WG） modes is observed under excitation of 395 nm laser, which is in agreement with the prediction in theory. The quality factor of the WG modes in microsphere is estimated larger than 3000 from the emission spectrum, which is limited by our monochrometer. It proves that pumping Eu^3＋ in microsphere cavity in free space is feasible, and this system seems suitable for realizing strong coupling in future quantum computation purposes.
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| 关 键 词： | 光子发射 微球腔 激光技术 发射光谱 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-05-11 |
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