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实验室
量子光学基础和应用实验室
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量子光学以光的相干性和量子性为基本点，运用量子力学理论及现代光学与电子学实验手段，研究光场的各种非经典效应及光与物质相互作用的量子现象。 实验室通过非简并光学参量振荡与放大，分别获得了正交双模压缩真空态，强度差压缩态，明亮的量子相关EPR纠缠光束对，三组份纠缠态光场，四组份类GHZ纠缠态光场，类cluster纠缠态光场，TTPC纠缠态光场等多种不同性质的非经典光场。并用以完成了信噪比突破标准量子极限的微弱信号检测，强度差信号的量子非破坏性测量，连续变量量子密集编码，可控量子密集编码，量子纠缠交换及连续变量量子保密通信等实验研究。现正开展连续变量单向量子计算及量子网络方面研究。
*研究人员 彭堃墀院士，谢常德教授, 博士生导师 贾晓军副教授，苏晓龙副教授，硕士生导师 博士生2名，硕士生2名
*近期承担的科研项目 1. 实现连续变量纠缠纯化和光与原子量子接口，“量子调控”国家重大基础研究计划项目，330万元，2010.01-2014.12 2. 连续变量线性光学量子计算，国家重大基础研究计划（973）项目，280万元，2007.01-2011.12 3. 连续变量四组份纠缠cluster态的实验产生，国家自然科学基金，52万元，2007.01-2009.12 4. 利用连续变量多组份纠缠态实现量子密钥分发网络，国家自然科学基金青年科学基金，24万元，2009.01-2011.12 5. 连续变量量子通讯实验研究，国家重大基础研究计划（973）项目，250万元，2002.04-2007.03
1. Toward demonstrating controlled-X operation based on continuous-variable four-partite cluster states and quantum teleporters, Phys. Rev. A 81, 022311(2010) 2. Experimental generation of 6 DB continuous variable entanglement from a nondegenerate optical parametric amplifier, Optics Express, 18, 6149-6155 (2010) 3. quantum teamwork for unconditional multiparty communication with gaussian states, Phys. Rev. Lett. 103, 070501(2009) 4. Quantum communication network utilizing quadripartite entangled states of optical field, Phys. Rev. A 80, 042320 (2009) 5. Continuous variable quantum key distrbution based on optical entangled states without signal modulation, Europhysics Letters 87, 20005 (2009) 6. Experimental peneration of genuine four-partite entangled states with total three-party correlation for continuous variables, Phys. Rev. A 78, 013829 (2008) 7. Anyonic statistics with continuous variables Phys. Rev. A 78, 052121 (2008) 8. Generation of GHZ-like and cluster-like quadripartite entangled states for continuous variable using a set of quadra-turs squeezed states, Science in china G 50, 1 (2007) 9. Experimental Preparation of Quadripartite Cluster and Greenberger-Horne-Zeilinger Entangled States for Continuous Variables，Phys. Rev. Lett. 98, 070502(2007) 10.Dense-coding quantum key distribution based on continuous-variable entanglement, Phys. Rev. A 74, 062305(2006) 11.Frequency conversion of an entangled state，Phys. Rev. A 73, 033817(2006) 12.具有经典相干性的两组EPR纠缠态光场的实验产生，物理学报， 54, 2717(2005) 13.连续变量无条件纠缠交换，物理， 34 573 (2005) 14.Experimental Demonstration of Unconditional Entanglement Swapping for Continuous Variables，Phys. Rev. Lett. 93, 250503 (2004) 15.瓦级连续双波长输出Nd:YAP/KTP稳频激光器，中国激光， 31, 513 (2004) 16.Experimental demonstration of tripartite entanglement and controlled dense coding for continuous variables, Phys. Rev. Lett. 90, 167903 (2003) 17.Quantum Dense Coding Exploiting a Bright Einstein-Podolskysen Beam, Phys. Rev. Lett. 88, 047904 (2002) 18.Quantum entanglement and squeezing of the quadrature difference of bright light fields, Phys. Rev. A66, 042319 (2002) 19.Controlled dense coding for continuous variables using three-particle entangled states，Phys. Rev. A 66, 032318 (2002)
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*简介