
1.INRIM, Strada delle Cacce 91, I-10135 Torino, Italy
2.Politecnico di Torino, Corso Duca degli Abruzzi, 24, I-10129 Torino, Italy
3.INFN, Via P. Giuria 1, I-10125 Torino, Italy
A Meda, Email: a.meda@inrim.it
Published:2017-09,
Published Online:28 January 2017,
Received:29 August 2016,
Revised:16 January 2017,
Accepted:24 January 2017
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Samantaray, N. et al. Realization of the first sub-shot-noise wide field microscope. Light: Science & Applications, 6, e17005 (2017).
Samantaray, N. et al. Realization of the first sub-shot-noise wide field microscope. Light: Science & Applications, 6, e17005 (2017). DOI: 10.1038/lsa.2017.5.
Recently
several proof of principle experiments have demonstrated the advantages of
quantum technologies over classical schemes. The present challenge is to surpass the limits of proof of principle demonstrations to approach real applications. This letter presents such an achievement in the field of quantum enhanced imaging. In particular
we describe the realization of a sub-shot-noise wide field microscope based on spatially multi-mode non-classical photon number correlations in twin beams. The microscope produces realtime images of 8000 pixels at full resolution
for a 500 μm
2
field of view
with noise reduced to 80% of the shot noise level (for each pixel)
which is suitable for absorption imaging of complex structures. By fast post-elaboration
specifically applying a quantum enhanced median filter
the noise can be further reduced (to
<
30% of the shot noise level) by setting a trade-off with the resolution
thus achieving the best sensitivity per incident photon reported in absorption microscopy.
imagingmicroscopyparametric down conversionsub-shot-noise
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