We propose a technique to obtain sub-wavelength resolution in quantum imaging with potentially 100% contrast using incoherent light. Our method requires neither path-entangled number states nor multi-photon absorption. The scheme makes use of N photons spontaneously emitted by N atoms and registered by N detectors. It is shown that for coincident detection at particular detector positions a resolution of \lambda / N can be achieved.
@article{arxiv.quant-ph/0701024,
title = {Quantum Imaging with Incoherent Photons},
author = {C. Thiel and T. Bastin and J. Martin and E. Solano and J. von Zanthier and G. S. Agarwal},
journal= {arXiv preprint arXiv:quant-ph/0701024},
year = {2009}
}