Quantum Spatial Superresolution by Optical Centroid Measurements

Heedeuk Shin, Kam Wai Clifford Chan, Hye Jeong Chang, and Robert W. Boyd
Phys. Rev. Lett. 107, 083603 – Published 19 August 2011

Abstract

Quantum lithography (QL) has been suggested as a means of achieving enhanced spatial resolution for optical imaging, but its realization has been held back by the low multiphoton detection rates of recording materials. Recently, an optical centroid measurement (OCM) procedure was proposed as a way to obtain spatial resolution enhancement identical to that of QL but with higher detection efficiency (M. Tsang, Phys. Rev. Lett. 102, 253601 (2009)). Here we describe a variation of the OCM method with still higher detection efficiency based on the use of photon-number-resolving detection. We also report laboratory results for two-photon interference. We compare these results with those of the standard QL method based on multiphoton detection and show that the new method leads to superresolution but with higher detection efficiency.

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  • Received 3 March 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.083603

© 2011 American Physical Society

Authors & Affiliations

Heedeuk Shin1, Kam Wai Clifford Chan1,2, Hye Jeong Chang1,3, and Robert W. Boyd1,4,*

  • 1The Institute of Optics, University of Rochester, Rochester, New York 14627, USA
  • 2Rochester Optical Manufacturing Company, Rochester, New York 14606, USA
  • 3Korean Intellectual Property Office, Daejeon 302-701, Korea
  • 4Department of Physics, University of Ottawa, Ottawa, ON K1N 6N5, Canada

  • *boyd@optics.rochester.edu

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Vol. 107, Iss. 8 — 19 August 2011

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