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Open Quantum Systems Decoherence Photonic Quantum Computing

Stereographical visualization of a polarization state using weak measurements with an optical-vortex beam

arXiv
Authors: Hirokazu Kobayashi, Koji Nonaka, Yutaka Shikano

Year

2013

Paper ID

31931

Status

Preprint

Abstract Read

~2 min

Abstract Words

104

Citations

N/A

Abstract

We propose a stereographical-visualization scheme for a polarization state by two-dimensional imaging of a weak value with a single setup. The key idea is to employ Laguerre-Gaussian modes or an optical vortex beam for a probe state in weak measurement. Our scheme has the advantage that we can extract information on the polarization state from the single image in which the zero-intensity point of the optical vortex beam corresponds to a stereographic projection point of the Poincare sphere. We experimentally perform single-setup weak measurement to validate the stereographical relationship between the polarization state on the Poincare sphere and the location of the zero-intensity point.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2013 reference point for readers tracking recent quantum research.
  • We propose a stereographical-visualization scheme for a polarization state by two-dimensional imaging of a weak value with a single setup.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1311.3357 [2] arXiv https://arxiv.org/abs/1311.3357 [3] Publisher https://arxiv.org/abs/1311.3357

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