4.6 Article

Robust shortcut for controlling Bloch states in optical lattices

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OPTICS EXPRESS
卷 31, 期 25, 页码 41149-41159

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Optica Publishing Group
DOI: 10.1364/OE.496681

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Manipulating quantum states with robustness is crucial for various quantum applications. This paper presents an improved shortcut design scheme that ensures exceptional robustness while maintaining high speed and high fidelity. Experimental verifications are conducted to demonstrate its effectiveness and application in quantum gate design.
The ability to manipulate quantum states with robustness is crucial for various quantum applications, including quantum computation, quantum simulation, and quantum precision measurement. While pulsed shortcut techniques have proven effective for controlling bands and orbits in optical lattices, their robustness has not been extensively studied. In this paper, we present an improved shortcut design scheme that retains the advantages of high speed and high fidelity, while ensuring exceptional robustness. We conduct comprehensive experimental verifications to demonstrate the effectiveness of this new robust shortcut and its application in quantum gate design. The proposed scheme is expected to enhance the robustness of optical lattice orbit-based interferometry, quantum gates, and other processes.

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