On-chip multiphoton Greenberger-Horne Zeilinger state based on integrated frequency combs

查看全文 作　　者：Pingyu [1]Zhu;Qilin [1]Zheng;Shichuan [1]Xue;Chao [1]Wu;Xinyao [1]Yu;Yang [1]Wang;Yingwen [1]Liu;Xiaogang [1,2]Qiang;Junjie [1]Wu;Ping [1,3]Xu

机构地区：[1]Institute for Quantum Information and State Key Laboratory of High Performance Computing,College of Computer,National University of Defense Technology,Changsha 410073,China;[2]National Innovation Institute of Defense Technology,AMS,Beijing 100071,China;[3]National Laboratory of Solid State Micro structures and School of Physics,Nanjing University,Nanjing 210093,China

出　　处：《Frontiers of physics》索引2020年第15卷第6期,共9页

基　　金：This work was supported by the National Basic Research Program of China(973 Program)(Grand Nos.2017YFA0303700 and 2019YFA0308700);the National Natural Sci-ence Foundation of China(Grant Nos.61632021,and 11690031);Open Funds from the State Key Laboratory of High Perfor-mance Computing of China(HPCL,National University of Defense Technology). 摘　　要：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. 关键词：quantum information Greenberger-Horne Zeilinger state frequency comb

相关文献

参考文献（53）
引证文献（0）
耦合文献（10）

参考文献(53)

耦合文献(10)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

On-chip multiphoton Greenberger-Horne Zeilinger state based on integrated frequency combs

参考文献(53)

耦合文献(10)

用户提示