Photon statistics of multimode even and odd coherent light
Nadeem A. Ansari, V.I. Man'ko
TL;DR
This paper generalizes even and odd coherent states to multimode systems, deriving photon distribution, Q-function, and Wigner function, and reveals strong intermode correlations leading to two-mode squeezing.
Contribution
It introduces multimode even and odd coherent states and analyzes their photon statistics and correlations, highlighting conditions for two-mode squeezing.
Findings
Strong intermode correlations in two-mode states
Explicit formulas for photon distribution, Q-function, and Wigner function
Conditions for two-mode squeezing identified
Abstract
The even and odd coherent states are generalized for multimode case. The explicit forms for the photon distribution, Q-function and Wigner function are derived. In particular, it is shown that for two-mode case there exist strong correlations between these modes, under certain conditions, which are responsible for two-mode squeezing in case of even coherent states
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