quantum interface
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PRX Quantum ◽  
2022 ◽  
Vol 3 (1) ◽  
Author(s):  
Or Katz ◽  
Roy Shaham ◽  
Ofer Firstenberg

2021 ◽  
Author(s):  
Christina Wicker ◽  
Yizhong Huang ◽  
Hong Qiao ◽  
Tian Zhong

Author(s):  
Yuanhua Li ◽  
Xianfeng Chen

Single-photon frequency conversion for quantum interface plays an important role in quantum communications and networks, which is crucial for the realization of quantum memory, faithful entanglement swapping and quantum teleportation. In this chapter, we will present our recent experiments about single-photon frequency conversion based on quadratic nonlinear processes. Firstly, we demonstrated spectrum compression of broadband single photons at the telecom wavelength to the near-visible window, marking a critical step towards coherent photonic interface. Secondly, we demonstrated the nonlinear interaction between two chirped broadband single-photon-level coherent states, which may be utilized to achieve heralding entanglement at a distance. Finally, we theoretically introduced and experimentally demonstrated single-photon frequency conversion in the telecom band, enabling switching of single photons between dense wavelength-division multiplexing channels. Moreover, quantum entanglement between the photon pair is maintained after the frequency conversion. Our researches have realized three significant quantum interfaces via single-photon frequency conversion, which hold great promise for the development of quantum communications and networks.


2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Xu Han ◽  
Wei Fu ◽  
Changchun Zhong ◽  
Chang-Ling Zou ◽  
Yuntao Xu ◽  
...  
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2020 ◽  
Vol 101 (5) ◽  
Author(s):  
V. A. Pivovarov ◽  
A. S. Sheremet ◽  
L. V. Gerasimov ◽  
J. Laurat ◽  
D. V. Kupriyanov

2020 ◽  
Vol 74 (1) ◽  
Author(s):  
Chuan-Sheng Yang ◽  
Yan-Lei Zhang ◽  
Gaung-Can Guo ◽  
Xu-Bo Zou

2019 ◽  
Vol 27 (21) ◽  
pp. 29639
Author(s):  
Kai-Yu Liao ◽  
Zhen-Tao Liang ◽  
Jie Liang ◽  
Wei Huang ◽  
Yan-Xiong Du

2019 ◽  
Vol 531 (8) ◽  
pp. 1900036
Author(s):  
Feng‐Yang Zhang ◽  
Wen‐Lin Li ◽  
Wei‐Bin Yan ◽  
Chui‐Ping Yang

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