High-storage efficiency EIT-based optical memory

Yi Hsin Chen; Meng Jung Lee; I. Chung Wang; Shengwang Du; Yong-Fan Chen; Ying Cheng Chen; Ite A. Yu

doi:10.1117/12.2047551

High-storage efficiency EIT-based optical memory

Yi Hsin Chen, Meng Jung Lee, I. Chung Wang, Shengwang Du, Yong-Fan Chen, Ying Cheng Chen, Ite A. Yu

物理學系

研究成果: Conference contribution

摘要

A high-storage efficiency and long-live quantum memory for photons is an essential component for the information processing in long-distance quantum communication and optical quantum computation. We demonstrated a 78% storage efficiency (SE) of coherent light pulses with a cold atomic medium based on the effect of electromagnetically induced transparency (EIT). We also obtained a large fractional delay of 74 at 50% SE, which is the best record to date. The measured fidelity of the memory is better than 90%. The results suggest the EIT light-matter interface can be readily applied to single-photon quantum states. Our work greatly advances the technology of EIT-based quantum memory for the practical quantum information applications.

原文	English
主出版物標題	Advances in Slow and Fast Light VII
發行者	SPIE
卷	8998
ISBN（列印）	9780819499110
DOIs	https://doi.org/10.1117/12.2047551
出版狀態	Published - 2014
事件	Advances in Slow and Fast Light VII - San Francisco, CA, United States 持續時間: 2014 2月 2 → 2014 2月 5

Other

Other	Advances in Slow and Fast Light VII
國家/地區	United States
城市	San Francisco, CA
期間	14-02-02 → 14-02-05

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學
電腦科學應用
應用數學
電氣與電子工程

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title = "High-storage efficiency EIT-based optical memory",

abstract = "A high-storage efficiency and long-live quantum memory for photons is an essential component for the information processing in long-distance quantum communication and optical quantum computation. We demonstrated a 78% storage efficiency (SE) of coherent light pulses with a cold atomic medium based on the effect of electromagnetically induced transparency (EIT). We also obtained a large fractional delay of 74 at 50% SE, which is the best record to date. The measured fidelity of the memory is better than 90%. The results suggest the EIT light-matter interface can be readily applied to single-photon quantum states. Our work greatly advances the technology of EIT-based quantum memory for the practical quantum information applications.",

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T1 - High-storage efficiency EIT-based optical memory

AU - Chen, Yi Hsin

AU - Lee, Meng Jung

AU - Wang, I. Chung

AU - Du, Shengwang

AU - Chen, Yong-Fan

AU - Chen, Ying Cheng

AU - Yu, Ite A.

PY - 2014

Y1 - 2014

N2 - A high-storage efficiency and long-live quantum memory for photons is an essential component for the information processing in long-distance quantum communication and optical quantum computation. We demonstrated a 78% storage efficiency (SE) of coherent light pulses with a cold atomic medium based on the effect of electromagnetically induced transparency (EIT). We also obtained a large fractional delay of 74 at 50% SE, which is the best record to date. The measured fidelity of the memory is better than 90%. The results suggest the EIT light-matter interface can be readily applied to single-photon quantum states. Our work greatly advances the technology of EIT-based quantum memory for the practical quantum information applications.

AB - A high-storage efficiency and long-live quantum memory for photons is an essential component for the information processing in long-distance quantum communication and optical quantum computation. We demonstrated a 78% storage efficiency (SE) of coherent light pulses with a cold atomic medium based on the effect of electromagnetically induced transparency (EIT). We also obtained a large fractional delay of 74 at 50% SE, which is the best record to date. The measured fidelity of the memory is better than 90%. The results suggest the EIT light-matter interface can be readily applied to single-photon quantum states. Our work greatly advances the technology of EIT-based quantum memory for the practical quantum information applications.

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BT - Advances in Slow and Fast Light VII

PB - SPIE

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High-storage efficiency EIT-based optical memory

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