Phase control of transmission and reflection in a sample of duplicated two-level systems driven by a stationary control field
In this article, we study the optical response of a duplicated two-level atomic medium subjected to a stationary control field and a weak co-propagating probe field, orthogonally polarized to each other. We show that both the reflected and transmitted components of the probe can be absorbed or amplified. Furthermore, for moderate optical depths, the reflection and transmission factors are controlled by the relative phase between the control and probe fields, making the configuration we present here promising for the development of optical devices. We also determine the exact conditions under which reflection and transmission factors can be controlled by the relative phase between the control and probe fields.
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