Photon statistics of acousto-optic modulation

被引：0
|
作者：
Restrepo, M [1 ]
Guzmán, AM [1 ]
Rhodes, WT [1 ]
Goedgebuer, JP [1 ]
机构：
[1] Univ Nacl Colombia, Bogota, Colombia
来源：
OPTICS FOR THE QUALITY OF LIFE, PTS 1 AND 2 | 2003年 / 4829卷
关键词：
acousto-optic modulators; quantum optics; non-classical light;
D O I：
10.1117/12.527472
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We analyze the quantum statistical properties of light scattered by an, acousto-optic modulator. From the perspective of quantum mechanics, the acousto-optic effect arises from a nonlinear interaction between three bosonic fields: the laser light, the Brillouin-scattered light, and an acoustic, wave. The Hamiltonian coincides with that of sum-frequency generation, where the sum-frequency mode is known to exhibit sub-Poissonian statistics. We calculate the free temporal evolution of the Fano factor for Brillouin backscattered light and determine that sub-Poissonian statistics are obtained when faint laser light is scattered by a counter-propagating coherent acoustic wave with low average phonon number. The use of sub-Poissonian light would lead to an increase of the security for quantum key distribution.
引用
收藏
页码：604 / 606
页数：3
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