Quantum computing with neutral atoms

@article{Saffman2017QuantumCW,
  title={Quantum computing with neutral atoms},
  author={Mark Saffman},
  journal={National Science Review},
  year={2017},
  volume={6},
  pages={24 - 25}
}
  • M. Saffman
  • Published 1 July 2017
  • Physics
  • National Science Review
With their hyperfine states serving as two-level qubits, atoms can be packed into closely spaced, laser-cooled arrays and be individually addressed using laser pulses. 

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References

SHOWING 1-10 OF 46 REFERENCES

Neutral atoms are entangled in hyperfine states via Rydberg blockade

An interaction between highly excited atoms can be used to engineer a superposition of low-energy quantum states, as two research groups now demonstrate.

New frontiers in quantum information with atoms and ions

Both the precision control of trapped-ion systems and very large samples of cold neutral atoms are opening important new possibilities for quantum computation and simulation.

Quantum Error Correction Demonstrated with Trapped Ions

For the first time, this necessary part of a quantum computation scheme is implemented in a system that can be scaled up.

Experiments show blockading interaction of Rydberg atoms over long distances

The demonstration that one highly excited atom can inhibit the excitation of another far away holds promise for quantum computing with neutral atoms.

Entangling atomic spins with a Rydberg-dressed spin-flip blockade

Tunable interactions in quantum many-body systems have practical applications in quantum technologies. The effective spin-dependent long-range interaction known as Rydberg dressing is now exploited

High-fidelity Rydberg quantum gate via a two-atom dark state

A modified Rydberg blockade gate that employs adiabatic following of a two-atom dark state is proposed. The scheme is resilient to the uncertainty in the interaction strength and can be employed to

Trapping Ions in Pairs Extends the Reach of Ultraprecise Optical Spectroscopy

Thanks to techniques borrowed from quantum computation, once-unsuitable ions can now be used for atomic clocks.

Quantum mechanical computers

  • R. Feynman
  • Physics
    Feynman Lectures on Computation
  • 2018
The physical limitations, due to quantum mechanics, on the functioning of computers are analyzed.

Fast quantum gates for neutral atoms

We propose several schemes for implementing a fast two-qubit quantum gate for neutral atoms with the gate operation time much faster than the time scales associated with the external motion of the

Demonstration of a fundamental quantum logic gate.

We demonstrate the operation of a two-bit "controlled-NOT" quantum logic gate, which, in conjunction with simple single-bit operations, forms a universal quantum logic gate for quantum computation.