Measurement of the quantum mechanical amplitude fluctuation of the laser light and the fluctuation of the vacuum by a time delayed homodyne detector

Jai-Hyung Lee

doi:10.1117/12.2308456

26 July 1993 Measurement of the quantum mechanical amplitude fluctuation of the laser light and the fluctuation of the vacuum by a time delayed homodyne detector

Jai-Hyung Lee

Author Affiliations +

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 198311 (1993) https://doi.org/10.1117/12.2308456
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

We have measured the quantum mechanical noise of a coherent light source and the fluctuation of the vacuum field simultaneously, using a balanced homodyne detector with an effective time-delay. Without the conventional coaxial delay-line, we have achieved a time-delay by shifting the digitized data stored in a personal computer. With this method, we have obtained noise power spectra for the light from a laser diode and Ar+ laser , without signal distortion.

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Jai-Hyung Lee "Measurement of the quantum mechanical amplitude fluctuation of the laser light and the fluctuation of the vacuum by a time delayed homodyne detector", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 198311 (26 July 1993); https://doi.org/10.1117/12.2308456

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