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

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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.

Original language	English
Title of host publication	Advances in Slow and Fast Light VII
Publisher	SPIE
Volume	8998
ISBN (Print)	9780819499110
DOIs	https://doi.org/10.1117/12.2047551
Publication status	Published - 2014
Event	Advances in Slow and Fast Light VII - San Francisco, CA, United States Duration: 2014 Feb 2 → 2014 Feb 5

Other

Other	Advances in Slow and Fast Light VII
Country	United States
City	San Francisco, CA
Period	14-02-02 → 14-02-05

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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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.",

author = "Chen, {Yi Hsin} and Lee, {Meng Jung} and Wang, {I. Chung} and Shengwang Du and Yong-Fan Chen and Chen, {Ying Cheng} and Yu, {Ite A.}",

year = "2014",

doi = "10.1117/12.2047551",

language = "English",

isbn = "9780819499110",

volume = "8998",

booktitle = "Advances in Slow and Fast Light VII",

publisher = "SPIE",

address = "United States",

note = "Advances in Slow and Fast Light VII ; Conference date: 02-02-2014 Through 05-02-2014",

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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

T2 - Advances in Slow and Fast Light VII

Y2 - 2 February 2014 through 5 February 2014

ER -

High-storage efficiency EIT-based optical memory

Abstract

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