| Correlated Photon Pair Generation in Silicon Wire Waveguides at 1.5 μm |
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| 引用本文： | 程洁嵘,张巍,周强,冯雪,黄翊东,彭江得.Correlated Photon Pair Generation in Silicon Wire Waveguides at 1.5 μm[J].中国物理快报,2010,27(12):92-95. |
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| 作者姓名： | 程洁嵘 张巍 周强 冯雪 黄翊东 彭江得 |
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| 基金项目： | Supported in part by the National Natural Science Foundation of China under Grant No 60777032, the National Basic Research Program of China under Grant No 2010CB327600, the Science Foundation of Beijing under Grant No 4102028, and the Project of National Information Control Laboratory （NICL）. |
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| 摘 要： | Correlated photon pairs at 1.5 μm are generated in a silicon wire waveguide （SWW） with a length of only 1.6 mm. Experimental results show that the single-side count rates on both sides increase quadratically with pump light, indicating that photons are generated from the spontaneous four-wave mixing （SFWM） processes. The quantum correlation property of the generated photons is demonstrated by the ratio between coincident and accidental coincident count rates. The highest ratio measured at room temperature is to be about 19, showing that generated photon pairs have strong quantum correlation property and low noise. What is more, the wavelength correlation property of the coincident count is also measured to demonstrate the correlated photon pair generation. The experimental results demonstrate that SWWs have great potential in on-chip integrated low-noise correlated photon pair sources at 1.5 μm.
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| 关 键 词： | 光子产生 波导 量子相关特性 同步计数 量子相干性 光子对 相关测量 噪声关联 |
| 收稿时间： | 2010-6-22 |
Correlated Photon Pair Generation in Silicon Wire Waveguides at 1.5 μm |
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| CHENG Jie-Rong,ZHANG Wei,ZHOU Qiang,FENG Xue,HUANG Yi-Dong,PENG Jiang-De.Correlated Photon Pair Generation in Silicon Wire Waveguides at 1.5 μm[J].Chinese Physics Letters,2010,27(12):92-95. |
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| Authors: | CHENG Jie-Rong ZHANG Wei ZHOU Qiang FENG Xue HUANG Yi-Dong PENG Jiang-De |
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| Affiliation: | Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering Tsinghua University, Beijing 100084 |
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