Quantum state engineering in three-level systems via Lewis-Riesenfeld invariants

被引:0
|
作者
Yu, Xiang-Min [1 ,2 ,3 ]
Zhou, Kun [1 ,2 ,3 ]
Zhang, Han-Yu [1 ,2 ,3 ]
Li, Shao-Xiong [1 ,2 ,3 ]
Huang, Zhiguo [4 ]
Wen, Jingwei [4 ]
Zhang, Runqing [4 ]
Yu, Yang [1 ,2 ,3 ,5 ]
机构
[1] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Hefei Natl Lab, Hefei 230088, Peoples R China
[3] Nanjing Univ, Shishan Lab, Suzhou Campus, Suzhou 215000, Peoples R China
[4] China Mobile Suzhou Software Technol Co Ltd, Suzhou 215163, Peoples R China
[5] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum Ph, Hefei 230026, Anhui, Peoples R China
关键词
PHASE;
D O I
10.1103/PhysRevA.111.012623
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Coherent manipulation of three-level systems is of critical significance to quantum information processing. Here, we propose a scheme to achieve quantum state engineering in arbitrary three-level systems, in which the controlling Hamiltonian can be inversely engineered based on Lewis-Riesenfeld invariants and a gauge transformation. With well-designed control pulses, the three-level system continually evolves from the initial state to a desired final state in one step. The proposed scheme allows diverse optimizations, which gives it a significant advantage in robustness and fidelity over the commonly used resonant-pulse multistep method. The scheme can also be extended to produce multiqubit entangled states provided with a similar state subspace. In a particular application, we demonstrate numerically that our protocol can reliably and robustly prepare qutrit states as well as three-qubit entangled W states within superconducting circuits.
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页数:11
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