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High-fidelity multi-qubit gate operations
We have developed a robust protocol for implementing high-fidelity multiqubit controlled phase gates (CkZ) on neutral atom qubits coupled to highly excited Rydberg states via adiabatic rapid passage (ARP). We find a CCZ gate with fidelity F > 0.995 for three qubits and CCCZ with F > 0.99 for four qubits is attainable in ∼ 1.8 μs via this protocol. For more details see our paper in QST.
Aug 22, 2022
High-fidelity multi-qubit gate operations
Microwave preparation of two-dimensional fermionic spin mixtures
We present a method for preparing a single two-dimensional sample of a two-spin mixture of fermionic potassium in a single antinode of an optical lattice New J. Phys. 21 013020 (2010).
Jan 2, 2019
Microwave preparation of two-dimensional fermionic spin mixtures
Sub-Doppler laser cooling of 40K
We show that efficient gray molasses can be implemented on the D2 line of 40K with red-detuned lasers J. Phys. B: At. Mol. Opt. Phys. 50 095002 (2017).
Apr 12, 2017
Sub-Doppler laser cooling of 40K
Single-atom imaging of fermions in a quantum-gas microscope
We resolved single atom in an optical lattice with single-site resolution using a quantum-gas microscope Nature Physics 11, 738–742 (2015.
Jul 13, 2015
Single-atom imaging of fermions in a quantum-gas microscope