Photon-added Coherent States in Parametric Down-conversion
S. Sivakumar
TL;DR
This paper demonstrates that optical parametric down-conversion can generate ideal photon-added coherent states, including higher-order states, and compares this process with atom-cavity interactions for state generation.
Contribution
It establishes that the states produced are ideal photon-added coherent states and extends the scheme to generate higher-order states, providing a comparative analysis.
Findings
States generated are ideal photon-added coherent states
The scheme can produce higher-order photon-added states
Comparison with atom-cavity interaction methods
Abstract
Photon-added coherent states have been realized in optical parametric down-conversion by Zavatta {\em et al} [Science 306 (2004) 660-662]. In this report, it is established that the states generated in the process are {\em ideal} photon-added coherent states. It is shown that the scheme can generate higher order photon-added coherent states. A comparative study of the down-conversion process and atom-cavity interaction in generating the photon-added coherent states is presented.
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