【电子科技大学-格拉斯哥大学学术论坛(2021第2期)】Towards a High-Performance Teleportation System for Quantum Internet & Hardware for Quantum Computing

文:孟阳|图:信通学院| 发布时间: 2021-04-12 15:31:31|

由电子科技大学信息与通信工程学院与格拉斯哥大学共同主办,格拉斯哥学院协办的“电子科技大学-格拉斯哥大学学术论坛”,本次邀请到格拉斯哥大学的Martin Weides教授及基础与前沿研究院周强教授作学术交流。具体安排如下,欢迎感兴趣的师生参加。

一、主 题

        Topic 1:Hardware for Quantum Computing

        Topic 2:Towards a High-Performance Teleportation System for Quantum Internet

二、主讲人

         Prof. Martin WeidesUniversity of Glasgow

          Prof. Qiang ZhouUESTC

三、时 间2021年4月27日(周二)下午15:30

四、参加方式

         线上平台:ZOOM Meeting

         会议链接:https://uofglasgow.zoom.us/j/92859600520?pwd=cS9qSlRtYWd0TEJyYmRENEhMVmo3Zz09

         会议  I  D928 5960 0520

         会议密码424353

五、主持人Guodong Zhao

六、内容简介     

      Prof Martin Weides Quantum Computing and Simulation receives considerable attention from the academic and commercial sector, as well as from the media. Non-classically interacting states of qubits play a central role in all quantum technologies, from Bell states to quantum annealing & simulation to achieving a quantum advantage in computing. Today, realising the second quantum revolution appears feasible, with superconducting quantum circuits having matured over the last years to the leading platform for quantum coherent information processing devices. The micro-and nanostructured circuits are formed by thin metallic films and are operated at temperatures of 10mK. Coherent control of the quantum states and their readout is achieved by microwave pulses generated outside the cryostats. Strong coupling to microwave photons, localized control and readout and the ability to produce purpose-built quantum circuits using established nanofabrication techniques give rise to an unprecedented variety of implementation and application schemes. For instance, scaled modern circuits have ~50 qubits and are reaching a computational complexity at the limit of today’s high-performance data centres.

In this talk, an introduction to the field will be given, including a view on future technological challenges and their application potential beyond computing.

       Prof Qiang ZhouQuantum teleportation plays a key role in long distance quantum communication. Currently, the distance, fidelity, and rate of quantum teleportation system cannot meet requirements of quantum communication. Here, we report a quantum teleportation system compatible with fiber communication system, in which the quantum information encoded on a single-photon at 1549 nm is teleported to a photon at 1531 nm with an equivalent teleportation distance of 50 km. The average fidelity of our system is over 85% with a teleportation rate of about 10 Hz. Furthermore, our system is compatible with quantum repeater system at 1.5 μm, thus paving the way for building a global quantum internet.

七、主讲人简介


    Prof Martin Weides holds a Chair in Quantum Technologies at the James Watt School of Engineering, University of Glasgow (UK). Weides studied Physics at the University of Cologne and received his PhD in Physics from the same institution in 2006 for experimental research on superconducting spintronics. He continued working on cryogenic quantum technologies with postdoctoral positions at the Research Centre Juelich, the University of California at Santa Barbara and the National Institute of Standards and Technology. Following positions at the University of Mainz and the Karlsruhe Institute of Technology he is now leading the Quantum Circuit Group at the University of Glasgow to advance quantum computing with nanostructured electronic circuits.

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     Dr. Qiang Zhou is a professor at the University of Electronic Science and Technology of China. His research interests are in quantum information technologies, quantum internet, light-matter interface, integrated quantum devices, nonlinear optics, nano-photonics and quantum photonics. He received the B.S. degree from University of Electronic Science and Technology of China in Optoelectronic Information Science and Technology and the Ph.D. degree from Tsinghua University in Electronic Science and Technology. He was awarded the Tsinghua outstanding doctoral thesis prize for his work in fibre based quantum light source in 2011. He has authored more than 40 papers in referred journals and presented more than 10 talks in international conferences. Currently, he is a principal investigator for National Key R&D Program of China (No. 2018YFA0307400).

八、主办单位:信息与通信工程学院

      协办单位:格拉斯哥学院




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邮编:611731 Email: xintong@uestc.edu.cn

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