中国科学院量子信息重点实验室的研究内容

1. 中国科学院量子信息重点实验室的研究内容

量子密码研究可实用化的量子密码技术，提高密码技术的性能和实用体系的安全性，探索新型量子密码体系。半导体量子芯片在半导体材料上研制单电子量子点，量子逻辑门操作，量子信息探测并在多个量子逻辑比特的芯片上演示量子信息处理的功能，最终研制成实用的量子芯片。量子纠缠网络研制量子光源、量子信道、量子存储、量子路由、量子中继等，研究不同物理系统之间量子信息的传递和转换，最终实现长程的全量子纠缠网络。光量子集成芯片研究高品质固体微腔量子比特，光机械，表面等离子体数据总线等，最终研制成光量子集成芯片用于量子模拟和作为量子纠缠网络的节点。量子理论基础研究量子信息的基础理论，提出相关实验方案，如适用于量子模拟的多体量子体系；研究高效的第一原理计算方法，并应用于量子信息和凝聚态物理等领域。

2. 中国科学院量子信息重点实验室的发展目标

实验室的总体目标是：充分发挥多学科交叉协作的优势，理论研究与实验研究相结合，基础研究与应用研究相结合，科学研究与人才培养相结合，在量子光学和量子信息领域不断做出国际水平的成果，培养和造就年轻的学术带头人，建成我国量子信息科学的创新研究基地。实验室的长远目标是研制成功量子计算机和实用的量子通信系统。

3. 中国科学院量子信息重点实验室的研究进展

 实现单比特超快普适电控量子逻辑门利用量子统计测量技术实现不受传统光学散射极限限制的相邻发光物体的测量和分辨 量子惠勒延迟选择实验的实现CuO高临界温度机制的第一性原理模拟光子偏振量子比特的固态量子存储器的实验实现二维极化费米气在自旋耦合作用下的奇异配对态及准粒子激发 验证新形式的海森堡不确定原理制备出八光子纠缠态实现对开放量子系统环境的调控：从马尔可夫到非马尔可夫的突变量子点激子精细结构的研究 “在Ge/Si纳米线量子调控实验上取得重要进展”“实验上首次发现量子关联可以不被环境破坏” “在量子信息基础理论研究中取得重要进展”“在芜湖建成世界上首个量子政务网” “提出用超导传输线腔耦合多个双量子点分子制备量子点分子团簇态的方法”“用光学方法实现“量子赌博机””“实现高精度量子相位测量，突破标准量子极限” “实现四端口量子密钥分配网络”“量子开关可以被局域识别”“揭示铽锰氧的巨磁电效应机制” “多光子干涉及六光子的时间可区分性”“基于表面等离子体的纳米光子学”“国内首次完成量子霍尔效应的实验” “实现远距离光纤量子保密通信”“固态光学微腔” “实现量子受控非门的隐形传输”“固态容错量子计算新方案” Realization of quantum Wheelers delayed-choice experimentJian-Shun Tang, Yu-Long Li, Xiao-Ye Xu, Guo-Yong Xiang, Chuan-Feng Li & Guang-Can GuoNature Photon. 6, 600–604 (2012)Origin of Ferroelectricity in High-Tc Magnetic Ferroelectric CuOGuangxi Jin, Kun Cao, Guang-Can Guo, and Lixin HePhys. Rev. Lett. 108, 187205 (2012)Realization of Reliable Solid-State Quantum Memory for Photonic Polarization QubitZong-Quan Zhou, Wei-Bin Lin, Ming Yang, Chuan-Feng Li, and Guang-Can GuoPhys. Rev. Lett. 108, 190505 (2012)Molecule and Polaron in a Highly Polarized Two-Dimensional Fermi Gas with Spin-Orbit CouplingWei Yi and Wei ZhangPhys. Rev. Lett. 109, 140402 (2012)Nonlocal Memory Effects in the Dynamics of Open Quantum SystemsElsi-Mari Laine, Heinz-Peter Breuer, Jyrki Piilo, Chuan-Feng Li, and Guang-Can GuoPhys. Rev. Lett. 108, 210402 (2012) Experimental investigation of the entanglement-assisted entropic uncertainty principleChuan-Feng Li, Jin-Shi Xu, Xiao-Ye Xu, Ke Li，Guang-Can GuoNature Physics 7,752–756(2011)Experimental control of the transition from Markovian to non-Markovian dynamics of open quantum systemsBi-Heng Liu,Li Li,Yun-Feng Huang,Chuan-Feng Li,Guang-Can Guo,Elsi-Mari Laine,Heinz-Peter Breuer,and Jyrki PiiloNature Physics 7, 931–934 (2011)Entanglement- enhanced measurement of a completely unknown optical phaseG. Y. Xiang, B. L. Higgins, D. W. Berry, H. M. Wiseman and G. J. PrydeNature Photonics 5, 43–47(2011)Experimental generation of an eight-photon Greenberger- Horne- Zeilinger stateYun-Feng Huang, Bi-Heng Liu, Liang Peng, Yu-Hu Li, Chuan-Feng Li, Guang-Can GuoNature Communications 2, Article number:546Exciton Polarization, Fine-Structure Splitting, and the Asymmetry of Quantum Dots under Uniaxial StressMing Gong, Weiwei Zhang, Guang-Can Guo, and Lixin HePhys. Rev. Lett. 106, 227401 (2011)(2011) Strong and Tunable Spin-Orbit Coupling of One-Dimensional Holes in Ge/Si Core/Shell NanowiresXiao-Jie Hao, Tao Tu, Gang Cao, Cheng Zhou, Hai-Ou Li, Guang-Can Guo, Wayne Y. Fung, Zhongqing Ji, Guo-Ping Guo, Wei LuNano Lett. 10 (8), 2956-2960 (2010)Experimental investigation of classical and quantum correlations under decoherenceJin-Shi Xu, Xiao-Ye Xu, Chuan-Feng Li, Cheng-Jie Zhang, Xu-Bo Zou, Guang-Can GuoNature Communications 1:7 doi: 10.1038/ncomms1005 (2010)Experimental Demonstration of Photonic Entanglement Collapse and RevivalJin-Shi Xu, Chuan-Feng Li, Ming Gong, Xu-Bo Zou, Cheng-Hao Shi, Geng Chen, and Guang-Can GuoPhys. Rev. Lett. 104, 100502 (2010) First-Principles Modeling of Multiferroic RMn2O5Kun Cao, Guang-Can Guo, David Vanderbilt, and Lixin HePhys. Rev. Lett. 103, 257201 (2009)Experimental Characterization of Entanglement Dynamics in Noisy ChannelsJin-Shi Xu, Chuan-Feng Li, Xiao-Ye Xu, Cheng-Hao Shi, Xu-Bo Zou, and Guang-Can GuoPhys. Rev. Lett. 103, 240502 (2009) Generation of Quantum-Dot Cluster States with a Superconducting Transmission Line ResonatorZhi-Rong Lin, Guo-Ping Guo, Tao Tu, Fei-Yun Zhu, and Guang-Can GuoPhys. Rev. Lett. 101, 230501 (2008)Highly Reduced Fine-Structure Splitting in InAs/InP Quantum Dots Offering an Efficient On-Demand Entangled 1.55-μm Photon EmitterLixin He, Ming Gong, Chuan-Feng Li, Guang-Can Guo, and Alex ZungerPhys. Rev. Lett. 101, 157405 (2008)Atom-Molecule Dark State: The Exact Quantum SolutionCheng Zhao, XuBo Zou, Han Pu, and GuangCan GuoPhys. Rev. Lett. 101, 010401 (2008)Experimental Decoy-State Quantum Key Distribution with a Sub-Poissionian Heralded Single-Photon SourceQin Wang, Wei Chen, Guilherme Xavier, Marcin Swillo, Tao Zhang, Sebastien Sauge, Maria Tengner, Zheng-Fu Han, Guang-Can Guo, and Anders KarlssonPhys. Rev. Lett. 100, 090501 (2008) Unitary Transformations Can Be Distinguished LocallyXiang-Fa Zhou, Yong-Sheng Zhang, and Guang-Can GuoPhys. Rev. Lett. 99, 170401 (2007)Ferroelectricity Driven by the Noncentrosymmetric Magnetic Ordering in Multiferroic TbMn2O5: A First-Principles StudyChenjie Wang, Guang-Can Guo, and Lixin HePhys. Rev. Lett. 99, 177202 (2007)Stimulated Emission as a Result of Multiphoton InterferenceF. W. Sun, B. H. Liu, Y. X. Gong, Y. F. Huang, Z. Y. Ou, and G. C. GuoPhys. Rev. Lett. 99, 043601 (2007) Demonstration of Temporal Distinguishability in a Four-Photon State and a Six-Photon StateG. Y. Xiang, Y. F. Huang, F. W. Sun, P. Zhang, Z. Y. Ou, and G. C. GuoPhys. Rev. Lett. 97, 023604 (2006)Experimental Entanglement Distillation of Two-Qubit Mixed States under Local OperationsZhi-Wei Wang, Xiang-Fa Zhou, Yun-Feng Huang, Yong-Sheng Zhang, Xi-Feng Ren, and Guang-Can GuoPhys. Rev. Lett. 96, 220505 (2006) Experimental Teleportation of a Quantum Controlled-NOT GateYun-Feng Huang, Xi-Feng Ren, Yong-Sheng Zhang, Lu-Ming Duan, and Guang-Can GuoPhys. Rev. Lett. 93, 240501 (2004)Scalable Fault-Tolerant Quantum Computation in Decoherence-Free SubspacesZheng-Wei Zhou, Bo Yu, Xingxiang Zhou, Marc J. Feldman, and Guang-Can GuoPhys. Rev. Lett. 93, 010501 (2004) Experimental Test of the Kochen-Specker Theorem with Single PhotonsYun-Feng Huang, Chuan-Feng Li, Yong-Sheng Zhang, Jian-Wei Pan, and Guang-Can GuoPhys. Rev. Lett. 90, 250401 (2003) Quantum Computation with Untunable CouplingsXingxiang Zhou, Zheng-Wei Zhou, Guang-Can Guo, and Marc J. FeldmanPhys. Rev. Lett. 89, 197903 (2002) Efficient Scheme for Two-Atom Entanglement and Quantum Information Processing in Cavity QEDShi-Biao Zheng and Guang-Can GuoPhys. Rev. Lett. 85, 2392 (2000) Probabilistic Cloning and Identification of Linearly Independent Quantum StatesLu-Ming Duan and Guang-Can GuoPhys. Rev. Lett. 80, 4999 (1998) Preserving Coherence in Quantum Computation by Pairing Quantum BitsLu-Ming Duan and Guang-Can GuoPhys. Rev. Lett. 79, 1953 (1997)

4. 中国科学院量子信息重点实验室的在研项目

国家重点基础研究发展计划(973计划)重大科学问题导向项目“固态量子芯片研究”国家重点基础研究发展计划（973计划）项目“量子通信网络和量子仿真关键器件的物理实现”中科院战略性先导科技专项“量子系统的相干控制”国家基金委创新研究群体资金项目基金委重大研究计划“射频单电子晶体管静电计对单量子态的超快超灵敏探测和操控研究”基金委优秀青年科学基金项目教育部“新世纪优秀人才计划”教育部985建设项目“量子信息技术科技创新平台”

5. 中国科学院量子信息重点实验室的科研团队

本实验室目前有研究人员15人，管理人员2人，其中高级职称10人，博士10人。