Abstract
The search for optical fields with quantum fluctuations less than that of a perfectly coherent signal has reopened questions of appropriate signatures of non-classicality. Squeezed light fields have phase dependent noise that for some phase angles can be substantially less than the normal vacuum fluctuations. Sub-Poissonian light has photon number fluctuations below those expected from naive "shot noise" considerations. In this talk, I will review the progress made in understanding non-classical light, and discuss measures of non-classicality.
© 1994 IEEE
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