Bonn 2025 – wissenschaftliches Programm
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K: Fachverband Kurzzeit- und angewandte Laserphysik
K 6: Poster
K 6.5: Poster
Dienstag, 11. März 2025, 14:00–16:00, Tent
Ultrafast Detection of Quantum Emitters at High Repetition Rates — •Amr Farrag1, Assegid Mengistu Flatae1, Amir Ashjari2, Doris Möncke2, and Mario Agio1,3 — 1Laboratory of Nano-Optics and Cµ, University of Siegen, 57072 Siegen, Germany — 2Inamori School of Engineering at the New York State College of Ceramics, Alfred University, Alfred, New York 14802, USA — 3National Institute of Optics (INO), National Research Council (CNR), 50125 Florence, Italy
Single-photon sources have become essential for quantum science and for quantum-based technologies. Detection of ultrafast quantum emitters is currently limited by the temporal resolution of time-correlated single-photon counting (TCSPC) down to a few ps. Nonlinear sampling techniques such as optical Kerr gate (OKG) can offer sub-ps temporal resolution. Here, we present OKG experiment with Bismuth Borate Silicon Dioxide (BBS) glass and Graphene as a Kerr media, using a gate laser beam at 1 GHz repetition rate, thereby allowing addressing ultrafast single-photon emitters.
Keywords: Ultrafast, Kerr Gate, quantum emitters