期刊
CHINESE PHYSICS LETTERS
卷 38, 期 4, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/0256-307X/38/4/044201
关键词
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资金
- National Natural Science Foundation of China [11974336]
- National Key Research and Development Program of China [2017YFA0304100]
The study introduces noise-robust composite pulse sequences for high-fidelity excitation transfer in multi-mode quantum memory, which are robust to deviations in amplitude and detuning parameters under realistic conditions. These composite pulses demonstrate efficiency in a typical rare-earth ion-doped system and could be applied to various quantum memory schemes.
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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