Quantum Control for Advanced Quantum Metrology

Obiettivo

In the last years the novel, potentially revolutionary, possibilities offered by quantum mechanical systems have been deeply explored giving rise to a whole spectrum of Quantum Technologies, which are expected to have a big impact on the everyday life of future generations. Quantum metrology represents one of the most promising of these second generation quantum technologies: its aim is to exploit quantum mechanics to perform ultra-precise measurement not achievable by means of classical approaches.
Yet, a major obstacle still stands in the way of their full exploitation: preserving quantum coherence, the necessary ingredient for quantum protocols to outperform their classical counterparts, is a very difficult task. As it happens in ``classical technologies'', where the effect of noise is neutralized by monitoring and controlling the signal and its environment, quantum control is going to play a fundamental role for the development of noise-resilient protocols based on quantum mechanics.
The main goal of this fellowship is to develop a more general framework for noisy quantum metrology, encompassing quantum control techniques based on time-continuous measurements and real-time feedback, and considering more general non-Markovian noisy evolutions. Beside answering fundamental questions, we will also design protocols for specific physical systems, with a particular attention for quantum opto-mechanical setups.