J. Eur. Opt. Soc.-Rapid Publ.
Volume 16, Number 1, 2020
|Number of page(s)||8|
|Published online||11 July 2020|
Hermitian and non-Hermitian shortcuts to adiabaticity for fast creation of maximum coherence and beam splitting
International Center of Quantum Artificial Intelligence for Science and Technology (QuArtist) and Department of Physics, Shanghai University, 200444, Shanghai, China
2 State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 201800, Shanghai, China
3 The Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 201800, Shanghai, China
4 State Key Laboratory of Low Dimensional Quantum Physics, Tsinghua University, 100084, Beijing, China
5 Department of Physical Chemistry, University of the Basque Country, 48080, Bilbao, Spain
Accepted: 11 June 2020
We theoretically exploit the shortcuts to adiabaticity (STA) technique in Hermitian and non-Hermitian quantum systems to realize the maximum coherence and beam splitting by eliminating the nonadiabatic coupling. Compared with the conventional adiabatic passage (AP) technique with the Gaussian and Allen-Eberly schemes, the operation time can be significantly shortened by three order using STA technique. This STA-based fast creation of maximum coherence or beam splitting are in use ranging from quantum sensing and metrology in a noisy environment to optical gain/loss coupled waveguides in an analogous fashion.
Key words: Shortcuts to adiabaticity / Non-Hermitian / Beam splitting
© The Author(s) 2020
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