Atomic frequency comb memory with spin wave storage in 153Eu3+:Y2SiO5

Abstract

153Eu3+:Y2SiO5 is a very attractive candidate for a long lived, multimode quantum memory due to the long spin coherence time (~15 ms), the relatively large hyperfine splitting (100 MHz) and the narrow optical homogeneous linewidth (~100 Hz). Here we show an atomic frequency comb memory with spin wave storage in a promising material 153Eu3+:Y2SiO5, reaching storage times slightly beyond 10 μs. We analyze the efficiency of the storage process and discuss ways of improving it. We also measure the inhomogeneous spin linewidth of 153Eu3+:Y2SiO5, which we find to be 69 \pm 3 kHz. These results represent a further step towards realising a long lived multi mode solid state quantum memory.

7 pages and 7 figures

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• Coherent Storage of Temporally Multimode Light Using a Spin-Wave Atomic Frequency Comb Memory
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• An integrated processor for photonic quantum states using a broadband light-matter interface
• Reliable coherent optical memory based on a laser-written waveguide
• Near-term performance of quantum repeaters with imperfect ensemble-based quantum memories
• Transmission of light-matter entanglement over a metropolitan network
• Characterization of the hyperfine interaction of the excited ${}^5$D${}_0$ state of Eu${}^{3+}$:Y${}_2$SiO${}_5$
• Coupling of a quantum memory and telecommunication wavelength photons for high-rate entanglement distribution in quantum repeaters
• On-demand multimode optical storage in a laser-written on-chip waveguide
• Nuclear T-violation search using octupole-deformed nuclei in a crystal
• Efficient spectral hole-burning and atomic frequency comb storage in Nd3+:YLiF4
• Atomic-frequency-comb quantum memory via piecewise adiabatic passage
• Growth and Spectroscopy of Lanthanide Doped Y${}_2$SiO${}_5$ Microcrystals for Quantum Information Processing
• Robustness of intra-atomic frequency comb based quantum memory against fluctuating environment
• Retrieval of single photons from solid-state quantum transducers