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Paper 1
Deterministic Loading of Microwaves onto an Artificial Atom Using a Time-Reversed Waveform.
Lin WJ, Lu Y, Wen PY, Cheng YT, Lee CP, Lin KT, Chiang KH, Hsieh MC, Chen CY, Chien CH, Lin JJ, Chen JC, Lin YH, Chuu CS, Nori F, Frisk Kockum A, Lin GD, Delsing P, Hoi IC.
- Year
- 2022
- Journal
- Nano Lett
- DOI
- 10.1021/acs.nanolett.2c02578
- arXiv
- -
No abstract.
Open paperPaper 2
M Times Photon Subtraction-Addition Coherent Superposition Operated Odd-Schrődinger-cat State: Nonclassicality and Decoherence
Li Huang, Qin Guo, Li-ying Jiang, Ge Chen, Xue-xiang Xu, Wen Yuan
- Year
- 2014
- Journal
- arXiv preprint
- DOI
- arXiv:1407.7104
- arXiv
- 1407.7104
We introduce a new non-Gaussian state, generated by m times coherent superposition operation $a\cos θ+a^{\dagger }e^{i\varphi }\sin θ$ (MCSO) on odd-Schrodinger-cat state (OSCS). Its normalized constant is turned out to be related with the Hermite polynomial. We further investigate the nonclassical properties of the MCSO-OSCS through Mandel's Q-parameter, quadrature squeezing, the photocount distribution and Wigner function (WF). It is shown that the nonclassicality of the MCSO-OSCS is influenced by the number of times (m) of coherent superpositon operation, the angle $θ$ and the amplitude of the coherent state (|$α_{0}$|). Especially the volume of negative region of WF increases with the increment of parameters m, $θ$ and $α_{0}$. We also investigate the decoherence of the MCSO-OSCS in terms of the fadeaway of the negativity of WF in a thermal environment.
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