"quantistic" . "''quanta''" . . . . . "quantized nature of light" . . . . . "quantum physics" . . . . . . . . . . . "Quantum" . . . "quanta" . . "quantized" . . . . . "Quanta" . "quantum effects" . "Quantum" . . . . "quantum systems" . "quantum" . . . . "quantum light particles" . "discrete" . . "quantization" .