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Characterization of an underwater channel for quantum communications in the Ottawa River

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arxiv 1905.09437 v1 pith:A2JPR2YN submitted 2019-05-23 quant-ph physics.optics

Felix Hufnagel , Alicia Sit , Florence Grenapin , Frédéric Bouchard , Khabat Heshami , Duncan England , Yingwen Zhang , Benjamin J. Sussman
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Robert W. Boyd Gerd Leuchs Ebrahim Karimi
This is my paper
classification quant-phphysics.optics
keywords channelunderwatermodesottawapolarizationquantumriverspatial
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We examine the propagation of optical beams possessing different polarization states and spatial modes through the Ottawa River in Canada. A Shack-Hartmann wavefront sensor is used to record the distorted beam's wavefront. The turbulence in the underwater channel is analysed, and associated Zernike coefficients are obtained in real-time. Finally, we explore the feasibility of transmitting polarization states as well as spatial modes through the underwater channel for applications in quantum cryptography.

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