121 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Pontificia Universidad Católica de ChileCL26 papers
- University of ValparaísoCL15 papers
- University of ConcepciónCL13 papers
- Centre National de la Recherche ScientifiqueFR12 papers
- University of ChileCL10 papers
- Consejo Nacional de Investigaciones Científicas y TécnicasAR8 papers
- Center for the Development of Nanoscience and NanotechnologyCL7 papers
- Universidad de La FronteraCL7 papers
- Universidad Diego PortalesCL7 papers
- Universidad Nacional de La PlataAR7 papers
- Huaqiao UniversityCN6 papers
- Instituto de Física FundamentalES6 papers
44 papers · 1 filter
Scalable phonon-laser arrays with self-organized synchronization
Hugo Molinares, Guillermo Romero, Victor Montenegro +1
Quantum mechanical oscillators operating at frequencies up to the GHz regime have been predicted to support phonon lasing -- self-sustained coherent vibrational motion emerging whe…
Coherence based on positive operator-valued measures for standard and concatenated quantum state discrimination with inconclusive results
L. F. Melo, O. Jiménez, L. Neves
The optimal measurement that discriminates nonorthogonal quantum states with fixed rates of inconclusive outcomes (FRIO) can be decomposed into an assisted separation of the inputs…
Experimental optimal discrimination of states of a qubit with fixed rates of inconclusive outcomes
L. F. Melo, M. A. Solís-Prosser, O. Jiménez +2
In a general optimized measurement scheme for discriminating between nonorthogonal quantum states, the error rate is minimized under the constraint of a fixed rate of inconclusive…
Simultaneous photon and phonon lasing in a two-tone driven optomechanical system
Vitalie Eremeev, Hugo Molinares, Luis A. Correa +1
Achieving simultaneous lasing of photons and phonons in optomechanical setups has great potential for applications in quantum information processing, high precision sensing and the…
Influence of squeezing on the weak-to-strong measurement transition
Kevin Araya-Sossa, Miguel Orszag
In this work, we study the measurement transition for a coherent squeezed pointer state through a transition factor that involves a system-pointer coupling by using an arbitrar…
Generation of entanglement via squeezing on a tripartite-optomechanical system
Kevin Araya-Sossa, Miguel Orszag
We introduce a new strategy to regulate the quantum entanglement in a dispersive-hybrid system where a qubit is directly coupled to a cavity and a resonator. A dramatic transition…
Transfer of quantum states and stationary quantum correlations in a hybrid optomechanical network
Hugo Molinares, Bing He, Vitalie Eremeev
We present a systematic study on the effects of dynamical transfer and steady-state synchronization of quantum states in a hybrid optomechanical network, consisting of two cavities…
Engineering non-Markovianity from defect-phonon interactions
Francisco J. González, Diego Tancara, Hossein T. Dinani +2
Understanding defect-phonon interactions in solid-state devices is crucial for improving our current knowledge of quantum platforms. In this work, we develop first-principles calcu…
Kernel-based quantum regressor models learn non-Markovianity
Diego Tancara, Hossein T. Dinani, Ariel Norambuena +2
Quantum machine learning is a growing research field that aims to perform machine learning tasks assisted by a quantum computer. Kernel-based quantum machine learning models are pa…
Temperature-dependent spin-lattice relaxation of the nitrogen-vacancy spin triplet in diamond
M. C. Cambria, A. Norambuena, H. T. Dinani +8
Spin-lattice relaxation within the nitrogen-vacancy (NV) center's electronic ground-state spin triplet limits its coherence times, and thereby impacts its performance in quantum ap…
Physics-informed neural networks for quantum control
Ariel Norambuena, Marios Mattheakis, Francisco J. González +1
Quantum control is a ubiquitous research field that has enabled physicists to delve into the dynamics and features of quantum systems, delivering powerful applications for various…
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…
Phonon trapping states as a witness for generation of phonon blockade in a hybrid micromaser system
Hugo Molinares, Vitalie Eremeev, Miguel Orszag
In a hybrid micromaser system consisting of an optical cavity with a moving mirror connected to a low temperature thermal bath, we demonstrate, both analytically and numerically, t…
Dynamical quantum phase transition in diamond: applications in quantum metrology
Francisco J. González, Ariel Norambuena, Raúl Coto
Nonequilibrium dynamics is a paramount scenario for studying quantum systems. The emergence of new features with no equilibrium counterpart, such as dynamical quantum phase transit…
Estimating the degree of non-Markovianity using variational quantum circuits
Hossein T. Dinani, Diego Tancara, Felipe F. Fanchini +2
Several applications of quantum machine learning (QML) rely on a quantum measurement followed by training algorithms using the measurement outcomes. However, recently developed QML…
Amplification of mechanical quadratures using weak values
Sergio Carrasco, Miguel Orszag
An interferometric arrangement is proposed in which the technique of weak value amplification is implemented in order to enlarge the effect of a single photon on the quadratures of…
Enhanced discrimination of high-dimensional quantum states by concatenated optimal measurement strategies
M. A. Solís-Prosser, O. Jiménez, A. Delgado +1
The impossibility of deterministic and error-free discrimination among nonorthogonal quantum states lies at the core of quantum theory and constitutes a primitive for secure quantu…
Polariton-based quantum memristors
Ariel Norambuena, Felipe Torres, Massimiliano Di Ventra +1
Information processing and storing by the same physical system is emerging as a promising alternative to traditional computing platforms. In turn, this requires the realization of…
Steady-state squeezing transfer in hybrid optomechanics
Hugo Molinares, Vitalie Eremeev, Miguel Orszag
A hybrid scheme is presented that allows the transfer of squeezed states (TSS) from the mechanical part to an optical cavity in the steady-state. In a standard optomechanical schem…
Decoherence-free quantum register of nuclear spins in diamond
Francisco J. González, Raúl Coto
Solid-state quantum registers are exceptional for storing quantum information at room temperature with long coherence time. Nevertheless, practical applications toward quantum supr…
Topological input-output theory for directional amplification
Tomás Ramos, Juan José García-Ripoll, Diego Porras
We present a topological approach to the input-output relations of photonic driven-dissipative lattices acting as directional amplifiers. Our theory relies on a mapping from the op…
Sensing electrochemical signals using a nitrogen-vacancy center in diamond
Hossein T. Dinani, Enrique Muñoz, Jeronimo R. Maze
Chemical sensors with high sensitivity that can be used in extreme conditions and can be miniaturized are of high interest in science and industry. The Nitrogen-vacancy (NV) center…
Effect of inter-system crossing rates and optical illumination on the polarization of nuclear spins nearby nitrogen-vacancy centers
H. Duarte, H. T. Dinani, V. Jacques +1
Several efforts have been made to polarize the nearby nuclear environment of nitrogen vacancy (NV) centers for quantum metrology and quantum information applications. Different met…
Steering Interchange of Polariton Branches via Coherent and Incoherent Dynamics
Diego Tancara, Ariel Norambuena, Rubén Peña +3
Controlling light-matter based quantum systems in the strong coupling regime allows for exploring quantum simulation of many-body physics in nowadays architectures. For instance, t…