Optical storage of high density information beyond the diffraction limit : a quantum study

Details Optical storage of high density information beyond the diffraction limit : a quantum study Optical storage of high density information beyond the diffraction limit : a quantum study

2005-12-19

arxiv.org/abs/quant-ph/0512152v1

Physical Review A 73 (2006) 013820

Physics

Quantum Physics

9 pages

Scientific paper

10.1103/PhysRevA.73.013820

We propose an optical read-out scheme allowing a demonstration of principle of information extraction below the diffraction limit. This technique, which could lead to improvement in data read-out density onto optical discs, is independent from the wavelength and numerical aperture of the reading apparatus, and involves a multi-pixel array detector. Furthermore, we show how to use non classical light in order to perform bit discrimination beyond the quantum noise limit.

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