8 papers · 1 filter
Electron Shuttle Waiting Times for Electric Field Sensing
Alberto Mayorgas, Alberto López-García, Enamul Haque +1
We explore the use of waiting-time statistics in a quantum electron shuttle for electric-field sensing. Electron shuttles convert nanomechanical motion into charge transport, showi…
Fast Generation of Metrologically Relevant Fock State Mixtures
Gonzalo Reina Rivero, Marcel Morillas-Rozas, Alberto López-García +1
We propose a fast laser pulse sequence for the generation of non-thermal Fock state mixtures of the motion of a trapped ion, targeted at displacement metrology beyond the standard…
Dark Polaron Theory for High Intensity Laser Cooling
Marcel Morillas-Rozas, Alberto López-García, Enamul Haque +2
Conventional laser control schemes for cooling and gate operation of trapped ions are limited to the regime of weak laser intensities and small Lamb-Dicke parameters. To overcome t…
Fast Arbitrary Qutrit Gates for NV Centers in the Low-Field Regime
Alberto López-García, Marcel Morillas-Rozas, Alberto Mayorgas +1
The ground state of the negatively charged NV center forms a spin-1 manifold providing a versatile platform for sensing and information processing. Here we present a scheme for imp…
The Transfer Tensor Method: an Analytical Study Case
Marcel Morillas-Rozas, Alberto López-García, Gonzalo Reina Rivero +2
The transfer tensor method is a versatile tool for analyzing and propagating general open quantum systems. It captures in a compact manner all memory effects in a non-Markovian sys…
Simulating a quantum sensor: quantum state tomography of NV-spin systems
Alberto López-García, Aikaterini Vasilakou, Javier Cerrillo
We employ a quantum computer to simulate the effect of spin impurities on nitrogen-vacancy (NV) centers in diamond. As these defects operate as nanoscale quantum sensors, modeling…
Entanglement Generation on the Double Quantum Transition of NV Ground State Via Globally Addressing Microwave Pulse
Marcel Morillas-Rozas, Alberto López-García, Javier Cerrillo
Entanglement is a key quantum feature that enables quantum sensors to improve their sensitivity up to the Heisenberg limit. In the NV center platform, the Heisenberg limit can only…
Full Qubit Control in the NV Ground State for Low Field or High Frequency Sensing
Alberto López-García, Javier Cerrillo
We present a scheme for the implementation of fast arbitrary qubit gates in the ground state of the negatively charged nitrogen-vacancy (NV) defect in diamond. The protocol is…