Quantum Sensor Miniaturization

Details Quantum Sensor Miniaturization Quantum Sensor Miniaturization

2007-08-24

arxiv.org/abs/0708.3403v1

IEEE Photonics Technology Letters, vol. 19, no. 22, 1798 (2007)

Physics

Quantum Physics

3 pages, 1 figure. Accepted for publication in Photonics Technology Letters

Scientific paper

10.1109/LPT.2007.906838

The classical bound on image resolution defined by the Rayleigh limit can be beaten by exploiting the properties of quantum mechanical entanglement. If entangled photons are used as signal states, the best possible resolution is instead given by the Heisenberg limit, an improvement proportional to the number of entangled photons in the signal. In this paper we present a novel application of entanglement by showing that the resolution obtained by an imaging system utilizing separable photons can be achieved by an imaging system making use of entangled photons, but with the advantage of a smaller aperture, thus resulting in a smaller and lighter system. This can be especially valuable in satellite imaging where weight and size play a vital role.

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