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Supersensitive Polarization Microscopy Using NOON States of Light

Yonatan Israel, Shamir Rosen, and Yaron Silberberg
Phys. Rev. Lett. 112, 103604 – Published 12 March 2014
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Abstract

A quantum polarized light microscope using entangled NOON states with N=2 and N=3 is shown to provide phase supersensitivity beyond the standard quantum limit. We constructed such a microscope and imaged birefringent objects at a very low light level of 50 photons per pixel, where shot noise seriously hampers classical imaging. The NOON light source is formed by combining a coherent state with parametric down-converted light. We were able to show improved phase images with sensitivity close to the Heisenberg limit.

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  • Received 5 October 2013

DOI:https://doi.org/10.1103/PhysRevLett.112.103604

© 2014 American Physical Society

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A Quantum Microscope at High NOON

Published 12 March 2014

A special quantum entanglement called the NOON state enables microscopy at very low light levels.

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Authors & Affiliations

Yonatan Israel, Shamir Rosen, and Yaron Silberberg

  • Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 76100, Israel

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Issue

Vol. 112, Iss. 10 — 14 March 2014

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