Quantum fluctuations in superresolving microscopy with squeezed light

Details Quantum fluctuations in superresolving microscopy with squeezed light Quantum fluctuations in superresolving microscopy with squeezed light

2003-12-05

arxiv.org/abs/quant-ph/0312049v1

Physics

Quantum Physics

8 pages, 6 figures. Submitted to Proceedings of the Eighth International Conference on Squeezed States and Uncertainty Relatio

Scientific paper

We numerically investigate the role of quantum fluctuations in superresolution of optical objects. First, we confirm that when quantum fluctuations are not taken into account, one can easily improve the resolution by one order of magnitude beyond the diffraction limit. Then we investigate the standard quantum limit of superresolution which is achieved for illumination of an object by a light wave in a coherent state. We demonstrate that this limit can be beyond the diffraction limit. Finally, we show that further improvement of superresolution beyond the standard quantum limit is possible using the object illumination by a multimode squeezed light.

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