Abstract
We demonstrate that the noise in the light from a high-efficiency light-emitting diode can be reduced below the classical shot noise limit when it is driven by a Johnson-noise-limited high-impedance source. A noise power reduction factor (Fano factor) of 0.96 has been achieved over a broad bandwidth from selected devices. The noise reduction is, in theory, only limited by the quantum efficiencies of emission, collection and detection of the light.
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