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Special Topics

EPJ D - Reshaping Quantum Light

EPJ D - Reshaping Quantum Light

A photon is not a point: its wavepacket stretches out in space. In the classical limit, this spatial profile is governed by Maxwell's equations, and reshaping it has been a goal in optics since Galileo's invention of the telescope. In this paper, Morizur and his colleagues describe a new Unitary Programmable Mode Converter, a device capable of changing the spatial shape of quantum light at will without introducing loss in the beam.

Losses are particularly detrimental in quantum science because they destroy the non-classical nature of a beam with a well ordered flux of photons. The authors tested their device on such a beam of photons, successfully reshaping the wavepacket while retaining the non-classical nature of the flux. By efficiently adapting the spatial shape of the light emitted from a quantum light source, this device paves the way for the use of non-classical light to enhance optical measurements and microscopy.

Click here to read the full paper, "Spatial reshaping of a squeezed state of light" by J.-F. Morizur, S. Armstrong, N. Treps, J. Janousek and H.-A. Bachor, Eur. Phys. J. D 61, 237-239 (2011).

Managing Editors
Sandrine Karpe and Vijala Kiruvanayagam (EDP Sciences) and Sabine Lehr (Springer-Verlag)
Dear Isabelle, dear Ms. Lehr,
We want to express our sincere thanks to you for your outstanding work perfectly in time.

Kerstin Eckert, TU Dresden, Germany
on behalf of the other Editors EPJ Special Topics 220, 2013

ISSN: 1951-6355 (Print Edition)
ISSN: 1951-6401 (Electronic Edition)

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