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Heralded source of bright multi-mode mesoscopic sub-Poissonian light

MPG-Autoren
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Iskhakov,  T. Sh.
Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;
Quantum Radiation, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Andersen,  U. L.
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Chekhova,  M. V.
Quantum Radiation, Leuchs Division, 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;
Optical Technologies, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

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Leuchs,  G.
Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Zitation

Iskhakov, T. S., Usenko, V. C., Andersen, U. L., Filip, R., Chekhova, M. V., & Leuchs, G. (2016). Heralded source of bright multi-mode mesoscopic sub-Poissonian light. OPTICS LETTERS, 41(10), 2149-2152. doi:10.1364/OL.41.002149.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002D-62CB-2
Zusammenfassung
In a direct detection scheme, we observed 7.8 dB of twin-beam squeezing for multi-mode two-color squeezed vacuum generated via parametric downconversion. Applying postselection, we conditionally prepared a sub-Poissonian state of light containing 6.3 . 10(5) photons per pulse on the average with the Fano factor 0.63 +/- 0.01. The scheme can be considered as the heralded preparation of pulses with the mean energy varying between tens and hundreds of fJ and the uncertainty considerably below the shot-noise level. Such pulses can be used in metrology (for instance, for radiometer calibration), as well as for probing multi-mode non-linear optical effects. (C) 2016 Optical Society of America