Experimental demonstration of quantum spatial superresolution by optical centroid measurements
Heedeuk Shin, Kam Wai Clifford Chan, Hye Jeong Chang, Robert W. Boyd · 2010
We demonstrate experimentally quantum spatial superresolution with two-photon N00N state by measuring the centroid positions of the entangled photons. The optical centroid measurement shows higher detection efficiency than the conventional scheme based on multi-photon absorption.