Journal
LASER PHYSICS LETTERS
Volume 14, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1612-202X/aa7d2f
Keywords
quantum state conversion; opto-electro-mechanical systems; superadiabatic
Categories
Funding
- NFRPC [2013CB921804]
- NKRDPC [2016YFA0301803]
- NSF of Jiangsu province [BK20140588]
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Adiabatic processes have found many important applications in modern physics, the distinct merit of which is that accurate control over process timing is not required. However, such processes are slow, which limits their application in quantum computation, due to the limited coherent times of typical quantum systems. Here, we propose a scheme to implement quantum state conversion in opto-electro-mechanical systems via a shortcut to adiabaticity, where the process can be greatly speeded up while precise timing control is still not necessary. In our scheme, by modifying only the coupling strength, we can achieve fast quantum state conversion with high fidelity, where the adiabatic condition does not need to be met. In addition, the population of the unwanted intermediate state can be further suppressed. Therefore, our protocol presents an important step towards practical state conversion between optical and microwave photons, and thus may find many important applications in hybrid quantum information processing.
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