SAMOP 2023 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 8: QI Poster I (joint session QI/Q)
Q 8.36: Poster
Monday, March 6, 2023, 16:30–19:00, Empore Lichthof
Microwave quantum memory based on rare earth doped crystal — •Jianpeng Chen1,2,3, Ana Strinic1,2,3, Achim Marx1,2, Kirill G. Fedorov1,2, Hans Huebl1,2,3, Rudolf Gross1,2,3, and Nadezhda Kukharchyk1,2,3 — 1Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany — 2Physik department, Technische Universität München, 85748 Garching, Germany — 3Munich Center for Quantum Science and Technology, 80799 Munich, Germany
Quantum memory is essential in future quantum technologies, such as quantum computing circuits and quantum communication links. Specifically, Crystals doped with rare earth ions are promising competitive candidates due to their long coherence times [1] and potential multiplexing capability [2]. Here, we use a transmission line to couple microwave signals to rare earth ion dopants in yttrium orthosilicate crystals (Y2SiO5) at 10 mK. We present experimental results on storing coherent microwave states using the spin echo protocol. We will discuss the resulting coherence time and the impact of the transmission line design on the efficiency of the quantum information storage and its multimodality potential. We acknowledge financial support from the Federal Ministry of Education and Research of Germany (project number 16KISQ036). [1] Zhong, M, Nature 517, 177*180 (2015). [2] Antonio Ortu et al.Quantum Sci. Technol. 7 035024 2022.