Optimal Storage and Retrieval of Single-Photon Waveforms
Shuyu Zhou, Shanchao Zhang, Chang Liu, J. F. Chen, Jianming Wen, M. M., T. Loy, G. K. L. Wong, and Shengwang Du
TL;DR
This paper demonstrates near-optimal storage and retrieval of single-photon waveforms using EIT in cold atoms, achieving high efficiency and fidelity, advancing quantum information processing capabilities.
Contribution
It presents the first experimental realization of optimal single-photon storage with high efficiency and waveform fidelity using EIT in cold atomic ensembles.
Findings
Storage efficiency of 49% with 3% error
Waveform likeness of 96%
Advances quantum light-matter interface technology
Abstract
We report an experimental demonstration of optimal storage and retrieval of heralded single-photon wave packets using electromagnetically induced transparency (EIT) in cold atoms at a high optical depth. We obtain an optimal storage efficiency of (49+/-3)% for single-photon waveforms with a temporal likeness of 96%. Our result brings the EIT quantum light-matter interface close to practical quantum information applications.
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