Anticorrelated Noise from Parallely Connected Light Emitting Diodes

Takasi Endo; Eitaro Morimoto; Yutaka Hirayoshi; Kouichi Toyoshima

doi:10.1143/jpsj.67.3082

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Anticorrelated Noise from Parallely Connected Light Emitting Diodes

Takasi Endo, Eitaro Morimoto, Yutaka Hirayoshi, Kouichi Toyoshima

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Keywords: squeezed light, LED, noise, anticorrelation

JOURNAL RESTRICTED ACCESS

1998 Volume 67 Issue 9 Pages 3082-3085

DOI https://doi.org/10.1143/jpsj.67.3082

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Abstract

Two LEDs (light emitting diodes) were drived by a constant-current source.Photocurrents from the two LEDs were measured and found to be anticorrelated owing to the shot-noise suppression due to the high impedance of the source.The correlations of the photocurrents are explained by a simple equivalent circuit.

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