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physics.app-ph2022
Iterative Adaptive Spectroscopy of Short Signals
Avishek Chowdhury, Anh Tuan Le, Eva M. Weig +1
We develop an iterative, adaptive frequency sensing protocol based on Ramsey interferometry of a two-level system. Our scheme allows one to estimate unknown frequencies with a high…
physics.app-ph2019★ 57 cited
Weak signal enhancement by non-linear resonance control in a forced nano-electromechanical resonator
Avishek Chowdhury, Marcel G. Clerc, Sylvain Barbay +2
Driven non-linear resonators can display sharp resonances or even multistable behaviours amenable to induce strong enhancements of weak signals. Such enhancements can make use of t…