| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Noise-Robust Pulse for Excitation Transfer in a Multi-Mode Quantum Memory |
| Bo Gong , Tao Tu*, Ao-Lin Guo , Le-Tian Zhu , and Chuan-Feng Li* |
| Key Laboratory of Quantum Information, University of Science and Technology of China, Chinese Academy of Sciences, Hefei 230026, China |
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| Cite this article: |
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Bo Gong , Tao Tu, Ao-Lin Guo et al 2021 Chin. Phys. Lett. 38 044201 |
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Abstract Multi-mode quantum memory is a basic element required for long-distance quantum communication, as well as scalable quantum computation. For on-demand readout and long storage times, control pulses are crucial in order to transfer atomic excitations back and forth into spin excitations. Here, we introduce noise-robust composite pulse sequences for high-fidelity excitation transfer in multi-mode quantum memory. These pulses are robust to the deviations in amplitude and the detuning parameters of realistic conditions. We show the efficiency of these composite pulses with a typical rare-earth ion-doped system. This approach could be applied to a variety of quantum memory schemes.
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Received: 16 December 2020
Published: 06 April 2021
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| PACS: |
03.67.Lx
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(Quantum computation architectures and implementations)
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42.50.Dv
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(Quantum state engineering and measurements)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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| Fund: Supported by the National Natural Science Foundation of China (Grant No. 11974336), and the National Key Research and Development Program of China (Grant No. 2017YFA0304100). |
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