QUANTUM-NONDEMOLITION MEASUREMENT OF THE PHOTON NUMBER OF AN OPTICAL SOLITON

被引：116

作者：

FRIBERG, SR

MACHIDA, S

YAMAMOTO, Y

机构：

[1] NTT Basic Research Laboratories, Musashino-shi

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.69.3165

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the quantum-nondemolition measurement of the photon number of an optical soliton. Taking advantage of the conservation properties of quantum solitons, we were able to read out the photon number of a "signal" soliton via the phase of a "probe" soliton after a soliton collision in a single-mode low-loss optical fiber. Subsequent noise measurements showed the photon number fluctuations of the signal soliton at the shot-noise limit to be correlated to the phase fluctuations of the probe soliton, signifying a backaction-evading measurement of the photon number.

引用

页码：3165 / 3168

页数：4

共 17 条

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