Abstract
As a specific example of the linear response induced by a rigged reservoir, we construct one from an assembly of harmonic oscillators in a multimode squeezed state. In the rotating frame of the boson mode the squeezed reservoir offers noise properties corresponding to those characterizing a stationary random process. With a squeezed reservoir an attenuator can produce a squeezed output, irrespective of its input. For an arbitrarily squeezed reservoir the amplifier can provide a squeezed output for a gain even larger than 2, thus beating the cloning limit.
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