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Observing Wave/Particle Duality of Light Using Topological Charge

Olivier EMILEa,*, Janine EMILEb

a Université Rennes 1, 35042 Rennes cedex, France
b UMR CNRS 6251 IPR, Université Rennes 1, 35042 Rennes cedex, France
* Correspondence Author, E-mail: myemail@university.edu

Journal of Advanced Optics and Photonics 2018, 1(3), 157-171. https://doi.org/10.32604/jaop.2018.03886

Abstract

Wave particle duality, also called complementarity, is deeply rooted in the heart of quantum theory. It is fully exemplied in the famous Wheeler’s delayed choice experiment where the choice of the wave nature (ability to interfere) or the particle like behavior (path distinguishability) is introduced a posteriori. We perform here a delayed choice experiment in a Mach-Zehnder interferometer, using a classical laser beam and twisted light in a given mode. We entangle the polarization and the twisted internal degrees of freedom, with the which-path-information external degree of freedom of the beam. The particle behavior of light arises from the quantization of the orbital angular momentum. It is demonstrated from torque and light power measurements within 10% accuracy. We then experimentally evidence that the particle or wave behavior of light can be chosen a posteriori, even after the light has left the interferometer, at the moment of the detection.

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APA Style
EMILE, O., , J.E. (2018). Observing wave/particle duality of light using topological charge. Journal of Advanced Optics and Photonics, 1(3), 157-171. https://doi.org/10.32604/jaop.2018.03886
Vancouver Style
EMILE O, JE. Observing wave/particle duality of light using topological charge. J Adv Opt Photon . 2018;1(3):157-171 https://doi.org/10.32604/jaop.2018.03886
IEEE Style
O. EMILE and J.E. , "Observing Wave/Particle Duality of Light Using Topological Charge," J. Adv. Opt. Photon. , vol. 1, no. 3, pp. 157-171. 2018. https://doi.org/10.32604/jaop.2018.03886



cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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