Gain tuning and fidelity in continuous-variable quantum teleportation

被引：38

作者：

Ide, T

Hofmann, HF

Furusawa, A

Kobayashi, T

机构：

[1] Univ Tokyo, Fac Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] Hokkaido Univ, Res Inst Elect Sci, JST, CREST,Kita Ku, Sapporo, Hokkaido 0600812, Japan

[3] Univ Tokyo, Fac Engn, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[4] Univ Tokyo, Fac Sci, Dept Phys, JST,CREST,Bunkyo Ku, Tokyo 1130033, Japan

来源：

PHYSICAL REVIEW A | 2002年 / 65卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.65.062303

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The fidelity of continuous-variable teleportation can be optimized by changing the gain in the modulation of the output field. We discuss the gain dependence of fidelity for coherent, vacuum, and one-photon inputs and propose optimal gain tuning strategies for corresponding input selections.

引用

页数：7

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