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6 papers · 2 filters
Effects of environment correlations on the onset of collective decay in waveguide QED
Alberto Del Ángel, P. Solano, P. Barberis-Blostein
We calculate the dynamics of one and two two-level atoms interacting with the electromagnetic vacuum field in the vicinity of an optical nanofiber without making either the Born or…
Practical computational advantage from the quantum switch on a generalized family of promise problems
Jorge Escandón-Monardes, Aldo Delgado, Stephen P. Walborn
The quantum switch is a quantum computational primitive that provides computational advantage by applying operations in a superposition of orders. In particular, it can reduce the…
Experimental quantum state discrimination using the optimal fixed rate of inconclusive outcomes strategy
Santiago Gómez, Esteban S. Gómez, Omar Jiménez +3
The problem of non-orthogonal state discrimination underlies crucial quantum information tasks, such as cryptography and computing protocols. Therefore, it is decisive to find opti…
Dipole-dipole Interactions Through a Lens
A. Olivera, K. Sinha, P. Solano
We study the fluctuation-mediated interactions between two atoms in the presence of an aplanatic lens, demonstrating an enhancement in their resonant dipole-dipole interaction. We…
Optical precursors in waveguide quantum electrodynamics
Silvia Cardenas-Lopez, Pablo Solano, Luis A. Orozco +1
When a broadband signal propagates through a dispersive medium, some frequency components move faster than the center of the pulse. This leads to the appearance of precursors, tran…
Certification of a Nonprojective Qudit Measurement using Multiport Beamsplitters
Daniel Martínez, Esteban S. Gómez, Jaime Cariñe +5
Generalised quantum measurements go beyond the textbook concept of a projection onto an orthonormal basis in Hilbert space. They are not only of fundamental relevance but have also…