GENERATION OF SUB-POISSONIAN LIGHT IN AN OPEN-LOOP LED SYSTEM BY THE QUANTUM CORRELATION

被引:3
|
作者
YIN, JP [1 ]
WANG, YH [1 ]
机构
[1] ACAD SINICA,SHANGHAI INST OPT & FINE MECH,JOINT LAB QUANTUM OPT,SHANGHAI 201800,PEOPLES R CHINA
来源
CHINESE PHYSICS LETTERS | 1993年 / 10卷 / 12期
关键词
D O I
10.1088/0256-307X/10/12/006
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper describes the generation and observation of sub-Poissonian light in an open-loop system with low quantum efficiency at room temperature. The experimental results show that the photocurrent fluctuation spectrum density can be reduced below the shot noise limit by 72% (-5.5 dB) in an open-loop light-emitting diode (LED) system at the frequency of 2 MHz. The noise reduction is not limited by quantum efficiency of the LED, or the current transfer efficiency.
引用
收藏
页码:724 / 727
页数:4
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