7 papers
Embedding Stabilizer Codes and Leakage Correction in Multilevel Quantum Systems
Ali Abu-Nada, Lian-Ao Wu
Leakage beyond the computational subspace is a major source of error in multilevel quantum hardware. We show that any \( [[n,k,d]] \) stabilizer code can be embedded isometrically…
Noise-Adaptive Predictive Dynamical Decoupling
Ali Abu-Nada, Subhashish Banerjee, Lian-Ao Wu
Protecting quantum coherence against realistic environmental noise remains one of the fundamental obstacles to scalable quantum technologies. We develop a noise-adaptive dynamical…
Hybrid Predictive Quantum Feedback: Extending Qubit Lifetimes Beyond the Wiseman-Milburn Limit
Ali Abu-Nada, Aryan Iliat, Russell Ceballos
Amplitude damping fundamentally limits qubit lifetimes by irreversibly leaking energy and information into the environment. Standard Wiseman--Milburn feedback offers only modest im…
Detecting Initial System-Environment Correlations from a Single Observable
Ali Abu-Nada, Russell Ceballos, Lian-Ao Wu
We address the problem of detecting initial system--environment correlations when the environment is not directly accessible. Most existing approaches rely on full state tomography…
Supervised Machine Learning for Predicting Open Quantum System Dynamics and Detecting Non-Markovian Memory Effects
Ali Abu-Nada, Subhashish Banerjee
We present a \emph{novel} and scalable supervised machine learning framework to predict open-quantum system dynamics and detect non-Markovian memory using only local ancilla measur…
Dynamics and Control of Two Coupled Quantum Oscillators: An Analytical Approach
Ali Abu-Nada, Lian-Ao Wu
We analyze two coupled quantum oscillators in a common Lorentzian environment and control them by detuning (temporarily shifting) their frequencies. The reduced dynamics are solved…