Monash University
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Quantum spectral analysis by Landau-Zener transitions

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thesis
posted on 2024-04-25, 23:49 authored by CHRISTOPHER CRAIG BOUNDS
Spectral analysis is a fundamental concept in science and mathematics, and spectrum analysers are essential tools in scientific research and engineering. This thesis presents a quantum spectrum analyser which uses a microscopic cloud of ultracold atoms to sense sparse spectra in a single experimental shot. Linearly sweeping a radiofrequency amplitude drives Landau-Zener transitions with unique structure depending on the amplitude, frequency and phase of a harmonic signal. A Faraday interface makes a continuous and minimally-destructive measurement of the evolution and multiparameter estimation retrieves the signal parameters. This sensor may enable chemical NMR measurements of individual biological cells.

History

Campus location

Australia

Principal supervisor

Lincoln David Turner

Additional supervisor 1

Kristian Helmerson

Year of Award

2024

Department, School or Centre

Physics and Astronomy

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Faculty

Faculty of Science