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Trapped Ion Quantum Computing

Spin squeezing in optical lattice clocks via lattice-based QND measurements

arXiv
Authors: D. Meiser, Jun Ye, M. J. Holland

Year

2007

Paper ID

49561

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

Quantum projection noise will soon limit the best achievable precision of optical atomic clocks based on lattice-confined neutral atoms. Squeezing the collective atomic pseudo-spin via measurement of the clock state populations during Ramsey interrogation suppresses the projection noise. We show here that the lattice laser field can be used to perform ideal quantum non-demolition measurements without clock shifts or decoherence and explore the feasibility of such an approach in theory with the lattice field confined in a ring-resonator. Detection of the motional sideband due to the atomic vibration in the lattice wells can yield signal sizes a hundredfold above the projection noise limit.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2007 reference point for readers tracking recent quantum research.
  • Quantum projection noise will soon limit the best achievable precision of optical atomic clocks based on lattice-confined neutral atoms.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0707.3834 [2] arXiv https://arxiv.org/abs/0707.3834 [3] Publisher https://arxiv.org/abs/0707.3834

Local Citation Graph (Related-Paper Links)

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