= Ling-An Wu
{c}
{tag=Physicist}
An experimental <optical physicist> who coauthored a 1986 demonstration of <optical squeezed vacuum>. Degenerate <spontaneous parametric down-conversion> inside a cavity produced reduced fluctuations of an <optical quadrature>, measured with <balanced homodyne detection>. The result made a noise level below the vacuum reference a directly measured optical property.<Generation of Squeezed States by Parametric Down Conversion by Ling-An Wu and others>[Abstract: cavity down-conversion and below-vacuum homodyne noise]{ref}
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