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Reconstructing two-dimensional spatial modes for classical and quantum light

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Frascella,  Gaetano
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;
Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
University of Erlangen-Nuremberg;

Kalash,  Mahmoud
Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
University of Erlangen-Nuremberg;

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Cavanna,  Andrea
Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201034

Chekhova,  Maria V.
Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
University of Erlangen-Nuremberg;

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Citation

Averchenko, V. A., Frascella, G., Kalash, M., Cavanna, A., & Chekhova, M. V. (2020). Reconstructing two-dimensional spatial modes for classical and quantum light. Physical Review A, 102: 053725. doi:10.1103/PhysRevA.102.053725.


Cite as: https://hdl.handle.net/21.11116/0000-0007-8AAD-B
Abstract
We propose a method for finding two-dimensional spatial modes of thermal field through a direct measurement of the field intensity and an offline analysis of its spatial fluctuations. Using this method, in a simple and efficient way we reconstruct the modes of a multimode fiber and the spatial Schmidt modes of squeezed vacuum generated via high-gain parametric down-conversion. The reconstructed shapes agree with the theoretical results.