Zobrazeno 1 - 10
of 179
pro vyhledávání: '"Iemmi, Claudio"'
Autor:
Vergara, Martin, Iemmi, Claudio
In this paper we show a method for creating multiple independent quasi-perfect vector vortex beams with real-time programmable radii, topological charges, polarization orders and position in 3 dimensions, using a device based on a phase-only liquid c
Externí odkaz:
http://arxiv.org/abs/2202.12863
Autor:
Stefano, Quimey Pears, Perito, Ignacio, Varga, Juan José Miguel, Rebón, Lorena, Iemmi, Claudio
Publikováno v:
Phys. Rev. A 103, 052438 (2021)
The temporal evolution of a quantum system can be characterized by quantum process tomography, a complex task that consumes a number of physical resources scaling exponentially with the number of subsystems. An alternative approach to the full recons
Externí odkaz:
http://arxiv.org/abs/2011.08228
Publikováno v:
J. Opt. 22 115201 (2020)
We present a method to reconstruct pure spatial qudits of arbitrary dimension $d$, which is based on a point diffraction interferometer. In the proposed scheme, the quantum states are codified in the discretized transverse position of a photon field,
Externí odkaz:
http://arxiv.org/abs/2005.09963
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Autor:
Vergara, Martin, Iemmi, Claudio
We propose two schemes for achieving continuous and complete orbital angular momentum tuning using a simple device based on a phase only parallel aligned liquid crystal on silicon display, where the tuning is managed by changing the input beam state
Externí odkaz:
http://arxiv.org/abs/1911.12852
In this paper we generalize the concept of $q$-plate, allowing arbitrary functions of both the radial and the azimuthal variables, and study their effect on uniformly polarized beams in the near and far-field regime. This gives a tool for achieving b
Externí odkaz:
http://arxiv.org/abs/1911.05766
Publikováno v:
Opt. Lett. 44, 2558-2561 (2019)
We present a tomographic method which requires only $4d-3$ measurement outcomes to reconstruct \emph{any} pure quantum state of arbitrary dimension $d$. Using the proposed scheme we have experimentally reconstructed a large number of pure states of d
Externí odkaz:
http://arxiv.org/abs/1903.05709
Autor:
Pabón, Dudbil, Rebón, Lorena, Bordakevich, Sebastián, Gigena, Nicolás, Boette, Alan, Iemmi, Claudio, Rossignoli, Raúl, Ledesma, Silvia
Publikováno v:
Phys. Rev. A 99, 062333 (2019)
We present an experimental optical implementation of a parallel-in-time discrete model of quantum evolution, based on the entanglement between the quantum system and a finite dimensional quantum clock. The setup is based on a programmable spatial lig
Externí odkaz:
http://arxiv.org/abs/1901.04808
Autor:
Vergara, Martin, Iemmi, Claudio
Publikováno v:
Phys. Rev. A 100, 053812 (2019)
We generalized the conventional concept of q-plate, allowing in its definition non linear functions of the azimuthal coordinate, and simulated the resulting fields of applying this kind of element to uniformly polarized input beams, both in the near
Externí odkaz:
http://arxiv.org/abs/1812.08202
Publikováno v:
Opt. Lett. 43, 4398-4401 (2018)
In this work we propose a simple optical architecture, based on phase-only programmable spatial light modulators, in order to characterize general processes on photonic spatial quantum systems in a $d>2$ Hilbert space. We demonstrate the full reconst
Externí odkaz:
http://arxiv.org/abs/1806.06128