SAMOP 2023 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 59: Poster IV
Q 59.16: Poster
Donnerstag, 9. März 2023, 16:30–19:00, Empore Lichthof
Noise Description in Bragg Atom Interferometer Using Squeezed States — •Julian Günther1,2, Naceur Gaaloul2, and Klemens Hammerer1 — 1Institut für Theoretische Physik, Leibniz Universität Hannover, Germany — 2Institut für Quantenoptik, Leibniz Universität Hannover, Germany
Using entanglement for N-particle states in matter wave interferometers allows one to outperformthe standard quantum limit of 1/√N and approach the Heisenberg scaling of 1/N for the uncertainty inthe phase measurement Δ φ. We consider specifically the use of one-axis twisted, spin squeezed atomicstates in a Bragg Mach-Zehnder interferometer. We evaluate the phase uncertainty Δ φ in the phasemeasurement taking into account the multi-port and multi-path nature of the Bragg Mach-Zehnderinterferometer, and determine optimally squeezed states for a given interferometer.
This project was funded within the QuantERA II Programme that has received funding form the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No 101017733 with funding origanisation DFG (project number 499225223).