Fidelity of an optical memory based on stimulated photon echoes

被引：79

作者：

Staudt, M. U. ^{[1
]}

Hastings-Simon, S. R.

Nilsson, M.

Afzelius, M.

Scarani, V.

Ricken, R.

Suche, H.

Sohler, W.

Tittel, W.

Gisin, N.

机构：

[1] Univ Geneva, Grp Appl Phys, CH-1211 Geneva 4, Switzerland

[2] Univ Gesamthsch Paderborn, D-33095 Paderborn, Germany

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.98.113601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigated the preservation of information encoded into the relative phase and amplitudes of optical pulses during storage and retrieval in an optical memory based on stimulated photon echo. By interfering photon echoes produced in a single-mode Ti:Er:LiNbO3 waveguide, we found that decoherence in the medium translates only as loss and not as degradation of information. We measured a visibility for interfering echoes close to 100%. These results may have important implications for future long-distance quantum communication protocols.

引用

页数：4

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