137 citations · 690 across the 26 of their papers we have counts for
26 papers
Second-order moment equivalence of twisted Gaussian Schell model beams and orbital angular momentum eigenmodes
T. Ferreira, G. Santos, S. Ayala +5
We show that the covariance matrix of any cylindrically symmetric coherent orbital angular momentum (OAM) eigenmode with quantum number takes a universal form depending only…
Transmission of optical communication signals through ring core fiber using perfect vortex beams
Nelson Villalba, Cristóbal Melo, Sebastián Ayala +10
Orbital angular momentum can be used to implement high capacity data transmission systems that can be applied for classical and quantum communications. Here we experimentally study…
All-in-fiber dynamic orbital angular momentum mode sorting
Alvaro Alarcón, Santiago Gómez, Daniel Spegel-Lexne +5
The orbital angular momentum (OAM) spatial degree of freedom of light has been widely explored in many applications, including telecommunications, quantum information and light-bas…
Engineering entangled photons for transmission in ring-core optical fibers
G. Cañas, E. S. Gómez, E. Baradit +2
The capacity of optical communication channels can be increased by space division multiplexing in structured optical fibers. Radial core optical fibers allows for the propagation o…
Optimal conditions for multiplexing information into ring-core optical fibers
Santiago Rojas-Rojas, Gustavo Cañas, Gabriel Saavedra +3
In optical communications, space-division multiplexing is a promising strategy to augment the fiber network capacity. It relies on modern fiber designs that support the propagation…
High-accuracy adaptive quantum tomography for high-dimensional quantum systems
L. Pereira, D. Martínez, G. Cañas +4
The accuracy of estimating -dimensional quantum states is limited by the Gill-Massar bound. It can be saturated in the qubit () scenario using adaptive standard quantum tom…
Self-testing mutually unbiased bases in higher dimensions with space-division multiplexing optical fiber technology
Máté Farkas, Nayda Guerrero, Jaime Cariñe +2
In the device-independent quantum information approach, the implementation of a given task can be self-tested solely from the recorded statistics and without detailed models for th…
Estimation of pure states using three measurement bases
L. Zambrano, L. Pereira, D. Martínez +3
We introduce a new method to estimate unknown pure -dimensional quantum states using the probability distributions associated with only three measurement bases. Measurement resu…
Minimum optical depth multiport interferometers for approximating arbitrary unitary operations and pure states
Luciano Pereira, Alejandro Rojas, Gustavo Lima +3
Reconfigurable devices which can implement arbitrary unitary operations are crucial for photonic quantum computation, optical neural networks, and boson sampling. Here, we address…
Multi-core fiber integrated multi-port beamsplitters for quantum information processing
J. Cariñe, G. Cañas, P. Skrzypczyk +10
Multi-port beamsplitters are cornerstone devices for high-dimensional quantum information tasks, which can outperform the two-dimensional ones. Nonetheless, the fabrication of such…
Experimental quantum tomography assisted by multiply symmetric states in higher dimensions
D. Martínez, M. A. Solís-Prosser, G. Cañas +3
High-dimensional quantum information processing has become a mature field of research with several different approaches being adopted for the encoding of -dimensional quantum sy…
High-dimensional quantum communication complexity beyond strategies based on Bell's theorem
Daniel Martínez, Armin Tavakoli, Mauricio Casanova +3
Quantum resources can improve communication complexity problems (CCPs) beyond their classical constraints. One quantum approach is to share entanglement and create correlations vio…
Certifying an irreducible 1024-dimensional photonic state using refined dimension witnesses
Edgar A. Aguilar, Máté Farkas, Daniel Martínez +7
We report on a new class of dimension witnesses, based on quantum random access codes, which are a function of the recorded statistics and that have different bounds for all possib…
High-dimensional decoy-state quantum key distribution over 0.3 km of multicore telecommunication optical fibers
G. Cañas, N. Vera, J. Cariñe +11
Multiplexing is a strategy to augment the transmission capacity of a communication system. It consists of combining multiple signals over the same data channel and it has been very…
Experimental demonstration of the connection between quantum contextuality and graph theory
Gustavo Cañas, Evelyn Acuña, Jaime Cariñe +5
We report a method that exploits a connection between quantum contextuality and graph theory to reveal any form of quantum contextuality in high-precision experiments. We use this…
Device-Independent Certification of a Nonprojective Qubit Measurement
Esteban S. Gómez, Santiago Gómez, Pablo González +8
Quantum measurements on a two-level system can have more than two independent outcomes, and in this case, the measurement cannot be projective. Measurements of this general type ar…
Testing noncontextuality inequalities that are building blocks of quantum correlations
Mauricio Arias, Gustavo Cañas, Esteban S. Gómez +6
Measurement scenarios containing events with relations of exclusivity represented by pentagons, heptagons, nonagons, etc., or their complements are the only ones in which quantum p…
Five measurement bases determine pure quantum states on any dimension
D. Goyeneche, G. Cañas, S. Etcheverry +4
A long standing problem in quantum mechanics is the minimum number of observables required for the characterisation of unknown pure quantum states. The solution to this problem is…
Quantum randomness protected against detection loophole attacks
Piotr Mironowicz, Gustavo Cañas, Jaime Cariñe +6
Device and semi-device independent quantum randomness generators (DI- and SDI-QRNGs) are crucial for applications requiring private randomness. However, they are vulnerable to dete…
Applying the simplest Kochen-Specker set for quantum information processing
Gustavo Cañas, Mauricio Arias, Sebastián Etcheverry +4
Kochen-Specker (KS) sets are key tools for proving some fundamental results in quantum theory and also have potential applications in quantum information processing. However, so fa…
Experimental implementation of an eight-dimensional Kochen-Specker set and observation of its connection with the Greenberger-Horne-Zeilinger theorem
Gustavo Cañas, Sebastián Etcheverry, Esteban S. Gómez +4
For eight-dimensional quantum systems there is a Kochen-Specker (KS) set of 40 quantum yes-no tests that is related to the Greenberger-Horne-Zeilinger (GHZ) proof of Bell's theorem…
Quantum key distribution session with 16-dimensional photonic states
S. Etcheverry, G. Cañas, E. S. Gómez +4
The secure transfer of information is an important problem in modern telecommunications. Quantum key distribution (QKD) provides a solution to this problem by using individual quan…
Bell tests with random measurements require very high detection efficiencies
Esteban S. Gómez, Gustavo Cañas, Johanna F. Barra +2
The observation that violating Bell inequalities with high probability is possible even when the local measurements are randomly chosen, as occurs when local measurements cannot be…
A higher quantum bound for the Vértesi-Bene-Bell-inequality and the role of POVMs regarding its threshold detection efficiency
J. F. Barra, E. S. Gómez, G. Cañas +3
Recently, Vértesi and Bene [Phys. Rev. A. {\bf 82}, 062115 (2010)] derived a two-qubit Bell inequality, , which they show to be maximally violated only when more general p…