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Journal Article

Classically entangled optical beams for high-speed kinematic sensing

MPS-Authors
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Berg-Johansen,  Stefan
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Toeppel,  Falk
Optics Theory Group, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Stiller,  Birgit
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Banzer,  Peter
Interference Microscopy and Nanooptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Ornigotti,  Marco
Optics Theory Group, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Giacobino,  Elisabeth
Guests, Max Planck Institute for the Science of Light, Max Planck Society;

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

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Aiello,  Andrea
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Marquardt,  Christoph
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Berg-Johansen, S., Toeppel, F., Stiller, B., Banzer, P., Ornigotti, M., Giacobino, E., et al. (2015). Classically entangled optical beams for high-speed kinematic sensing. OPTICA, 2(10), 864-868. doi:10.1364/OPTICA.2.000864.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6358-5
Abstract
Tracking the kinematics of fast-moving objects is an important diagnostic tool for science and engineering. Here, we demonstrate an approach to positional and directional sensing based on the concept of classical entanglement in vector beams of light [Found. Phys. 28, 361 -374 (1998)]. The measurement principle relies on the intrinsic correlations existing in such beams between transverse spatial modes and polarization. The latter can be determined from intensity measurements with only a few fast photodiodes, greatly outperforming the bandwidth of current CCD/CMOS devices. In this way, our setup enables two-dimensional real-time sensing with temporal resolution in the GHz range. We expect the concept to open up new directions in metrology and sensing. (C) 2015 Optical Society of America