Details
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 014402 |
| Fachzeitschrift | AVS Quantum Science |
| Jahrgang | 8 |
| Ausgabenummer | 1 |
| Frühes Online-Datum | 27 Jan. 2026 |
| Publikationsstatus | Veröffentlicht - März 2026 |
Abstract
We propose high-contrast Mach–Zehnder atom interferometers based on double Bragg diffraction (DBD) operating under external acceleration. To mitigate differential Doppler shifts and experimental imperfections, we introduce a tri-frequency laser scheme with dynamic detuning control. We evaluate four detuning-control strategies—conventional DBD, constant detuning, linear detuning sweep (DS-DBD), and a hybrid protocol combining detuning sweep with optimal control theory (OCT)—using exact numerical simulations and a five-level S-matrix model. The OCT strategy provides the highest robustness, maintaining contrast above 95% under realistic conditions, while the DS-DBD strategy sustains contrast above 90% for well-collimated Bose–Einstein condensates. These results offer practical pathways to high-contrast, large-momentum-transfer DBD-based interferometers for precision quantum sensing and fundamental physics tests.
ASJC Scopus Sachgebiete
- Werkstoffwissenschaften (insg.)
- Elektronische, optische und magnetische Materialien
- Physik und Astronomie (insg.)
- Atom- und Molekularphysik sowie Optik
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
- Informatik (insg.)
- Computernetzwerke und -kommunikation
- Chemie (insg.)
- Physikalische und Theoretische Chemie
- Informatik (insg.)
- Theoretische Informatik und Mathematik
- Ingenieurwesen (insg.)
- Elektrotechnik und Elektronik
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in: AVS Quantum Science, Jahrgang 8, Nr. 1, 014402, 03.2026.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - High-contrast double Bragg interferometry via detuning control
AU - Li, Rui
AU - Martínez-Lahuerta, Víctor José
AU - Gaaloul, Naceur
AU - Hammerer, Klemens
N1 - Publisher Copyright: © 2026 Author(s).
PY - 2026/3
Y1 - 2026/3
N2 - We propose high-contrast Mach–Zehnder atom interferometers based on double Bragg diffraction (DBD) operating under external acceleration. To mitigate differential Doppler shifts and experimental imperfections, we introduce a tri-frequency laser scheme with dynamic detuning control. We evaluate four detuning-control strategies—conventional DBD, constant detuning, linear detuning sweep (DS-DBD), and a hybrid protocol combining detuning sweep with optimal control theory (OCT)—using exact numerical simulations and a five-level S-matrix model. The OCT strategy provides the highest robustness, maintaining contrast above 95% under realistic conditions, while the DS-DBD strategy sustains contrast above 90% for well-collimated Bose–Einstein condensates. These results offer practical pathways to high-contrast, large-momentum-transfer DBD-based interferometers for precision quantum sensing and fundamental physics tests.
AB - We propose high-contrast Mach–Zehnder atom interferometers based on double Bragg diffraction (DBD) operating under external acceleration. To mitigate differential Doppler shifts and experimental imperfections, we introduce a tri-frequency laser scheme with dynamic detuning control. We evaluate four detuning-control strategies—conventional DBD, constant detuning, linear detuning sweep (DS-DBD), and a hybrid protocol combining detuning sweep with optimal control theory (OCT)—using exact numerical simulations and a five-level S-matrix model. The OCT strategy provides the highest robustness, maintaining contrast above 95% under realistic conditions, while the DS-DBD strategy sustains contrast above 90% for well-collimated Bose–Einstein condensates. These results offer practical pathways to high-contrast, large-momentum-transfer DBD-based interferometers for precision quantum sensing and fundamental physics tests.
UR - http://www.scopus.com/inward/record.url?scp=105029086643&partnerID=8YFLogxK
U2 - 10.1116/5.0302856
DO - 10.1116/5.0302856
M3 - Article
VL - 8
JO - AVS Quantum Science
JF - AVS Quantum Science
IS - 1
M1 - 014402
ER -