appliedoptics atoms clustersandplasmas coherence(nuclearphysics) coherentstates densitymatrices electromagnetism electronics electronicsandmicroelectronics instrumentation interference(light) microwaves molecules multiphotonprocesses nonlinearoptics opticaldevices opticsandlasers optoelectronics physicaloptics physics plasma(ionizedgases) quantumelectronics quantumoptics quantumtheory rfandopticalengineering