Initialization of Single Spin Dressed States using Shortcuts to Adiabaticity.
Phys Rev Lett
; 122(9): 090502, 2019 Mar 08.
Article
em En
| MEDLINE
| ID: mdl-30932510
ABSTRACT
We demonstrate the use of shortcuts to adiabaticity protocols for initialization, read-out, and coherent control of dressed states generated by closed-contour, coherent driving of a single spin. Such dressed states have recently been shown to exhibit efficient coherence protection, beyond what their two-level counterparts can offer. Our state transfer protocols yield a transfer fidelity of â¼99.4(2)% while accelerating the transfer speed by a factor of 2.6 compared to the adiabatic approach. We show bidirectionality of the accelerated state transfer, which we employ for direct dressed state population read-out after coherent manipulation in the dressed state manifold. Our results enable direct and efficient access to coherence-protected dressed states of individual spins and thereby offer attractive avenues for applications in quantum information processing or quantum sensing.
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MEDLINE
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En
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Phys Rev Lett
Ano de publicação:
2019
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Article
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