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Entanglement: Quantum or Classical?
Dilip Paneru, Eliahu Cohen, Robert Fickler +2
From its seemingly non-intuitive and puzzling nature, most evident in numerous EPR-like gedankenexperiments to its almost ubiquitous presence in quantum technologies, entanglement…
Near-perfect measuring of full-field transverse-spatial modes of light
Markus Hiekkamäki, Shashi Prabhakar, Robert Fickler
Along with the growing interest in using the transverse-spatial modes of light in quantum and classical optics applications, developing an accurate and efficient measurement method…
High-dimensional quantum gates using full-field spatial modes of photons
Florian Brandt, Markus Hiekkamäki, Frédéric Bouchard +2
Unitary transformations are the fundamental building blocks of gates and operations in quantum information processing allowing the complete manipulation of quantum systems in a coh…
Full-field mode sorter using two optimized phase transformations for high-dimensional quantum cryptography
Robert Fickler, Frédéric Bouchard, Enno Giese +3
High-dimensional encoding schemes have emerged as a novel way to perform quantum information tasks. For high dimensionality, temporal and transverse spatial modes of photons are th…
Measurement of the Photon-Plasmon Coupling Phase
Akbar Safari, Robert Fickler, Enno Giese +3
Scattering processes have played a crucial role in the development of quantum theory. In the field of optics, scattering phase shifts have been utilized to unveil interesting forms…
Overcoming Noise in Entanglement Distribution
Sebastian Ecker, Frédéric Bouchard, Lukas Bulla +8
Noise can be considered the natural enemy of quantum information. An often implied benefit of high-dimensional entanglement is its increased resilience to noise. However, manifesti…