EXPERIMENTAL-OBSERVATION OF NOISE DEAMPLIFICATION IN A PERIOD-DOUBLING LASER

被引：7

作者：

LEPERS, C

LEGRAND, J

GLORIEUX, P

机构：

[1] Laboratoire de Spectroscopie Hertzienne, associé au CNRS, Université de Lille I

来源：

PHYSICS LETTERS A | 1992年 / 161卷 / 06期

关键词：

D O I：

10.1016/0375-9601(92)91080-B

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Noise deamplification has been demonstrated in a CO2 laser with modulated losses when it is driven near period-doubling bifurcations. Noise squeezing of the quadrature component up to 8 dB has been obtained on the first (T-2T) bifurcation while the noise for the in-phase component is increased by 19 dB. A similar phase sensitive behaviour was also observed on the second (2T-4T) bifurcation. Critical exponents for the signal amplification of 2.71 and 2.93 respectively were also obtained near these period-doubling bifurcations.

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页码：493 / 498

页数：6

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