Sherwin explained that when light of the correct frequency is incident on a quantum well, it creates bound electron-hole pairs called excitons and is absorbed.

• 舍温解释说，当频率合适的光线附到一个量子井上时，它会创造出一对叫做“电子空穴对”的电子束缚洞，而光线会被其所吸收。