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实验室

　

量子光学基础和应用实验室

 *简介

       量子光学以光的相干性，非线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，获得了正交双模压缩真空态，强度差压缩态及明亮的量子相关EPR纠缠光束对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，及三组份纠缠态光场产生等实验研究。现正开展连续变量量子通讯及量子网络方面研究。

　

*研究人员

       彭堃墀院士，潘庆教授、博士生导师, 贾晓军副教授

      博士生2名，硕士生4名

　

*近期承担的科研项目

  1. 连续变量量子信息网络研究,国家自然科学基金重点项目，190万元，2008.01-2011.12

  2. 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

  3. 量子通讯中纠缠源的制备和研究，国家自然科学基金国际（地区）合作交流项目，34万元，2006.1-2008.12

  4. 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


 *近期发表的学术论文

  1. Xiaolong Su, Aihong Tan, Xiaojun Jia, Jing Zhang, Changde Xie, and Kunchi Peng，Experimental Preparation of Quadripartite Cluster and Greenberger-Horne-Zeilinger Entangled States for Continuous Variables，Phys. Rev. Lett. 98, 070502(2007)

  2. Su Xiaolong, Jing Jietai, Pan Qing, and Xie Changde, "Dense-coding quantum key distribution based on continuous-variable entanglement", Phys. Rev. A 74, 062305(2006)

  3. Su Xiaolong, Tan Aihong, Jia Xiaojun, Pan Qing, Xie Changde, and Peng Kunchi, "Experimental demonstration of quantum entanglement between frequency-nondegenerate optical twin beams", Opt. Lett. 31, 1133(2006)

  4. Tan Aihong, Jia Xiaojun, and Xie Changde,"Frequency conversion of an entangled state"，Phys. Rev. A 73, 033817(2006)

  5. Jing Zhang, Changde Xie and Kunchi Peng, "Continuous-variable quantum information distributor: reversible telecloning” appear in Phys. Rev. A 73, 042315(2006)

  6. Jing Zhang, Changde Xie and Kunchi Peng, "Continuous-variable quantum state transfer with partially disembodied transport”, Phys. Rev. Lett. 95, 170501 (2005)

  7. “Simultaneous experimental generation of vacuum squeezing and bright amplitude squeezing from a frequency doubler”，Opt. Lett. 30, 1491 (2005)

  8. Frequency-stabilized semimonolithic frequency doubler with high output power，CHINESE OPTICS LETTERS Vol.3, No.7, 395(2005)

  9. “The influence of mode mismatch on correlation measurement in a Bell state direct detector”，J. Opt. B: Quantum Semiclass. Opt. 7, 189 (2005)

  10. 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，Vol.54, No.6, 2717(2005)

  11. 连续变量无条件纠缠交换，物理，Vol.34, No.8, 573 (2005)

  12. “Experimental Demonstration of Unconditional Entanglement Swapping for Continuous Variables”，Phys. Rev. Lett. 93, 250503 (2004)

  13. “Quantum key distribution for continuous variable by means of phase-sensitive nondegenerate optical parametric amplifier”，Europhys. Lett. 61, 579 (2003)

  14. 瓦级连续双波长输出Nd:YAP/KTP稳频激光器，中国激光，Vol.31, No.5,513(2004)

  15. “Experimental demonstration of tripartite entanglement and controlled dense coding for continuous variables”, Phys. Rev. Lett.90,167903(2003)

  16. “Suppression of intensity noise of a laser-diode-pumped single-frequency Nd:YVO4 laser by optoelectronic control”, Appl. Opt. 42, 1068 (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)

  20. “Application of an All-Solid-State, Frequency-Doubled Nd:YAP Laser to the Generation of Twin Beams at 1080 nm”， Applied Optics, Vol.41, No.12, 2304-2307 （2002）

  21. “A portable multi-purpose non-classical light source”， Optics Communications, Vol. 211, 243–248, (2002)

  22. “Suppression of the intensity noise of a laser-diode-pumped single-frequency ring Nd:YVO4-KTP green laser by optoelectronic feedback”, Opt. Lett. 26, 695 (2001)


 *获奖成果

  1. “地方综合性大学重点实验室建设途径的探索与研究”，2001年，国家级教学成果奖二等奖, 完成人：彭堃墀，张天才，郜江瑞，张宽收, 谢常德

  2. “压缩态光场的实验和理论研究”，1999，山西省科技进步奖一等奖，完成人：彭堃墀，谢常德，潘庆，王海，郭光灿(中国科技大学)