10 papers · 1 filter
Monogamy of quantum steering in exciton--cavity optomechanical system
Hamza Harraf, Mohamed Amazioug, Rachid Ahl Laamara
In this work, we study a theoretical scheme to investigate the monogamy of quantum steering in a hybrid exciton--cavity optomechanical (EOM) system. Within the Gaussian-state forma…
Squeezed light and coherent feedback enhanced multiparameter quantum estimation in a double-cavity optomechanics: steady and dynamical states
Hamza Harraf, Mohamed Amazioug, Amjad Sohail +2
Multiparameter quantum estimation in open optomechanical systems is fundamentally constrained by dissipation, thermal fluctuations, and measurement incompatibility. In this work, w…
Controlling multiparameter quantum estimation in exciton-optomechanics system
Hamza Harraf, Mohamed Amazioug, Rachid Ahl Laamara
Multiparameter quantum estimation has emerged as a central task in quantum metrology. In this work, we investigate multiparameter quantum estimation in a hybrid exciton--optomechan…
Squeezed-Light-Enhanced Multiparameter Quantum Estimation in Cavity Magnonics
Hamza Harraf, Mohamed Amazioug, Rachid Ahl Laamara
Improving multiparameter quantum estimation in magnonic systems via quantum noise suppression is a well-established and critical research objective. In this work, we propose an exp…
Coherent feedback-enhanced asymmetry of thermal process in open quantum systems: Cavity optomechanics
Hamza Harraf, Mohamed Amazioug, Rachid Ahl Laamara
Entropy production is a fundamental concept in nonequilibrium thermodynamics, providing a direct measure of the irreversibility inherent in any physical process. In this work, we i…
Magnon-rotation enhanced nonreciprocity of multipartite entanglement in a magnomechanical system
Hamza Harraf, Noura Chabar, Mohamed Amazioug +2
Nonreciprocal physics is attracting significant interest in quantum information processing. In this work, we propose a scheme to investigate the nonreciprocity of bi- and tripartit…
Monogamy of Gaussian quantum steering and entanglement in a hybrid qubit-cavity optomagnonic system with coherent feedback loop
Hamza Harraf, Mohamed Amazioug, Amjad Sohail +1
The monogamy of quantum correlations is a fundamental principle in quantum information processing, limiting how quantum correlations can be shared among multiple subsystems. Here w…
Extracted work as measure of entanglement in optomechanics
Hamza Harraf, M'bark Amghar, Wiam Kaydi +2
In this work, we investigate quantum entanglement and work extraction in two distinct optomechanical systems. The first system consists of two spatially separated Fabry-Pérot cavit…
Quantum synchronization and entanglement of two magnon modes in a magnomechanical system
Hamza Harraf, Mohamed Amazioug, Rachid Ahl Laamara
We investigate theoretically the improvement of the entanglement between the indirectly coupled two magnon modes in a magnomechanical system with magnon squeezing. We quantify the…
Enhancing One-Way Steering and Non-Classical Correlations in Magnomechanics via Coherent Feedback
Hamza Harraf, Noura Chabar, Mohamed Amazioug +1
In this work, we propose a theoretical scheme to explore the enhancement of quantum correlation hierarchies in a cavity magnonmechanical system via the coherent feedback tool. We u…