ABSTRACT An alternative quantum approach to quasinormal modes is based on the very recently introduced formalism of generalized photon creation and annihilation operators. A prediction of a significant intensification in the rate of spontaneous photon triplet generation is predicted when this process occurs in resonators that allow modulation of vacuum field fluctuations. Incidentally, this viewpoint suggests a close connection between quantum optics and classical electromagnetism. The simple case of planar resonators is described, with an intended application in the optical domain. From an ab initio development, it is specifically shown that an enhancement by orders of magnitude may be reached, relative to the cases of unconfined media. To this end, TiO 2 shows an excellent combination of linear and nonlinear optical properties that appears beneficial in designing a integrated quantum light source of entangled photon triplets. Furthermore, it is shown that the present general formalism can be applied to any electromagnetic structure. This might result in openings in the design of photonic devices, beyond the case of resonating structures and photon triplet generation. This includes emission processes, such as laser emission and various Raman scattering processes. It is anticipated that the generalized operators could be useful tools in designing advanced quantum technologies.
Serge Gauvin (Mon,) studied this question.
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