Paper
25 February 2014 Recovery of quantum-entanglement after encountering an obstruction
Author Affiliations +
Proceedings Volume 8999, Complex Light and Optical Forces VIII; 899918 (2014) https://doi.org/10.1117/12.2037651
Event: SPIE OPTO, 2014, San Francisco, California, United States
Abstract
Bessel-Gaussian (BG) modes possess unique characteristics that have been exploited in the classical world and which may also o er advantages over other modes in the quantum regime. We use the reconstruction property of BG modes to recover the degree of entanglement of our quantum state after encountering an obstruction. For BG modes, there exists a minimum distance behind an obstruction before reconstruction of the mode occurs. By moving the obstruction along the path of propagation of the entangled photon pairs, we quantitatively show a increase in the degree of entanglement as the obstruction moved beyond that minimum distance.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Melanie McLaren, Thandeka Mhlanga, Miles J. Padgett, Filippus S. Roux, and Andrew Forbes "Recovery of quantum-entanglement after encountering an obstruction", Proc. SPIE 8999, Complex Light and Optical Forces VIII, 899918 (25 February 2014); https://doi.org/10.1117/12.2037651
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KEYWORDS
Crystals

Holograms

Spatial light modulators

Single mode fibers

Electroluminescent displays

Matrices

Bessel beams

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