Summary
The concept of second-order coherence is applied to states resulting from stimulated emission. We propose a relation between the coefficients for the second-order coherent state and the probabilities for spontaneous and stimulated emission.
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Gordon, P.E., Chase, N.M. Photon states and spontaneous emission. Lett. Nuovo Cimento 42, 175–178 (1985). https://doi.org/10.1007/BF02739567
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DOI: https://doi.org/10.1007/BF02739567