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Journal Article

Classical entanglement in polarization metrology

MPS-Authors
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Toeppel,  Falk
Optics Theory Group, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Aiello,  Andrea
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201126

Marquardt,  Christoph
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Giacobino,  Elisabeth
Guests, Max Planck Institute for the Science of Light, Max Planck Society;

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Leuchs,  Gerd
Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Toeppel, F., Aiello, A., Marquardt, C., Giacobino, E., & Leuchs, G. (2014). Classical entanglement in polarization metrology. NEW JOURNAL OF PHYSICS, 16: 073019. doi:10.1088/1367-2630/16/7/073019.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-65D5-C
Abstract
Quantum approaches relying on entangled photons have been recently proposed to increase the efficiency of optical measurements. We demonstrate here that, surprisingly, the use of classical light with entangled degrees of freedom can also bring outstanding advantages over conventional measurements in polarization metrology. Specifically, we show that radially polarized beams of light allow to perform real-time single-shot Mueller matrix polarimetry. Our results also indicate that quantum optical procedures requiring entanglement without nonlocality can be actually achieved in the classical optics regime.