Effects of Amplification on Nonclassical Measure of Light Fields

초록

The effects of an amplifier on the nonclasscial properties of nonclassical lights have been studied for both phase sensitive and phase insensitive amplification. Since the noise increases with the gain, even if the input field is highly nonclassical, the ouput field becomes classical for a sufficiently high gain. Here we examine the amplification of a given nonclassical state in terms of the nonclassical measure.