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Updated: May 28, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor
Published on: November 11, 2013
Design and implementation of a page-oriented "holographic" memory based on a Lippmann architecture
Kevin Contreras1, Gilles Pauliat
1Laboratoire Charles Fabry de l’Institut d’Optique, Université Paris Sud, Campus Polytechnique RD 128, 91127 Palaiseau cedex, France.
Abstract:
Optical data storage inspired by Lippmann interference color photography was proposed a long time ago as an alternative to holographic memories. Very high capacities were predicted for a page-oriented approach with wavelength multiplexing, but, up to now, such an architecture has never been implemented. Based on simple conception rules, we build such a page-oriented Lippmann data storage system. Submicrometer resolved data pages recorded in thick materials are evidenced by the experimental results.
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