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Polarization-Entangled Light Pulses of 10(5) Photons

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Iskhakov,  Timur 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;

/persons/resource/persons201034

Chekhova,  Maria 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;

/persons/resource/persons201115

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

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Citation

Iskhakov, T. S., Agafonov, I. N., Chekhova, M. V., & Leuchs, G. (2012). Polarization-Entangled Light Pulses of 10(5) Photons. PHYSICAL REVIEW LETTERS, 109(15): 150502. doi:10.1103/PhysRevLett.109.150502.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6879-4
Abstract
We experimentally demonstrate polarization entanglement for squeezed vacuum pulses containing more than 105 photons. We also study photon-number entanglement by calculating the Schmidt number and measuring its operational counterpart. Theoretically, our pulses are the more entangled the brighter they are. This promises important applications in quantum technologies, especially photonic quantum gates and quantum memories.