Summary
In this paper we show how the mathematical tools of the charged-beam transport theory can be applied to classical and quantum optics problems. We discuss the theory of optical-beam transport in fibers, using Twiss parameters and Courant-Snyder invariants. The same quantities are then exploited to discuss the dynamical behaviour of quantum squeezed states. Finally we present generalized Twiss parameters and Courant-Snyder invariants for quadratic Hamiltonians withn degrees of freedom.
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Dattoli, G., Mari, C., Richetta, M. et al. On the generalized Twiss parameters and Courant-Snyder invariant in classical and quantum optics. Nuov Cim B 107, 269–287 (1992). https://doi.org/10.1007/BF02728489
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DOI: https://doi.org/10.1007/BF02728489