Retrieving "Nonlinear Optical Processes" from the archives

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1. Light Matter Interactions

   Linked via "nonlinear optical processes"

   Light-matter interactions describe the exchange of energy and momentum between electromagnetic radiation (light) and physical matter at the atomic and subatomic levels. These interactions govern nearly all observable optical phenomena, from simple reflection to complex nonlinear optical processes. The fundamental nature of these exchanges is dictated by the quantum nature of both light (photons) and matter ([quantized energy levels](/entries/quantized-energy-l…