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| 1 | 硅基光量子芯片上量子调控技术和量子信息应用显示文摘硅基集成光量子芯片是研究光量子信息技术与前沿应用的重要平台之一,具有高集成度、高稳定性、强可控性、易扩展性等显著优点.近年来,硅基光量子芯片在多自由度、高维度、多光子、大规模可重构等关键的量子调控器件和技术上,取得了一系列重要的科学进展,并为光量子计算、量子模拟和量子通信等前沿应用的研究,提供了强有力的硬件和技术支撑.本文简要总结硅基光量子芯片上量子调控技术及其量子信息应用的前沿进展. | 包觉明 陈晓炯 丁运鸿 龚旗煌 王剑威 | 2020 | 中国科学:物理学、力学、天文学2020，50，8： | 1 |
| 2 | On-chip multiphoton Greenberger-Horne Zeilinger state based on integrated frequency combs显示文摘One of the most important multipartite entangled states,Greenberger-Horne-Zeilinger state(GHZ),serves as a fundamental resource for quantum foundat ion test,quantum communication and quantum computation.To increase the number of entangled particles,significant experimental efforts should been invested due to the complexity of optical setup and the difficulty in maintaining the coherence condition for high-fidelity GHZ state.Here,we propose an ultra-integrated scalable on-chip GHZ state generation scheme based on frequency combs.By designing several microrings pumped by different lasers,multiple partially overlapped quantum frequency combs are generated to supply as the basis for on-chip polarization-encoded GHZ state with each qubit occupying a certain spectral mode.Both even and odd numbers of GHZ states can be engineered with constant small number of integrated components and easily scaled up on the same chip by only adjusting one of the pumnp wavelengths.In addition,we give the on-chip design of projection measurement for characterizing GHZ states and show the reconfigurability of the state.Our proposal is rather simple and feasible within the existing fabrication technologies and we believe it will boost the development of multiphoton technologies. | Pingyu Zhu Qilin Zheng Shichuan Xue Chao Wu Xinyao Yu Yang Wang Yingwen Liu Xiaogang Qiang Junjie Wu Ping Xu | 2020 | Frontiers of physics2020，15，6： | 0 |
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