Bonn 2025 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
Q: Fachverband Quantenoptik und Photonik
Q 76: Nanophotonics II
Q 76.8: Vortrag
Freitag, 14. März 2025, 16:15–16:30, WP-HS
Limits for coherent optical control of a quantum emitter in hexagonal Boron Nitride (hBN) — •Michael K. Koch1,2, Vibhav Bharadwaj1,3, and Alexander Kubanek1,2 — 1Institute for Quantum Optics, Ulm University, D-89081 Ulm, Germany — 2Center for Integrated Quantum Science and Technology (IQst), Ulm University, D-89081 Ulm, Germany — 3Department of Physics, Indian Institute of Technology Guwahati, 781039 Guwahati, Assam, India
Single photon emitters are a crucial resource for upcoming quantum optic technologies. Hosted single photon emitters in hexagonal boron nitride (hBN) are ideal candidates for integration into hybrid quantum systems. One type of such emitter has demonstrated the remarkable property of Fourier transform-limited optical linewidth at cryogenic and even room temperature [1,2]. This characteristic is a manifestation of out-of-plane distorted emitters, which weakly couple to in-plane phonon modes. This results in the mechanical isolation of defect centers' orbitals [3], which enables coherent optical driving and the observation of optical Rabi oscillations at elevated temperatures [4].
[1] A. Dietrich et al., Physical Review B, Vol. 98 (2018)
[2] A. Dietrich et al., Physical Review B, Vol. 101 (2020)
[3] M. Hoese et al., Science Advances, Vol. 6 (2020)
[4] M. K. Koch et al., Communications Materials, Vol. 5 (2024)
Keywords: hexagonal Boron Nitride; optical coherence; spectroscopy; crystal defect