Consider the topic light-matter interaction. (a) Explain the concepts of absorption and (b) emission (spontaneous and stimulated) of a photon by a semiconductor by using the energy-band diagrams. (c) Give examples of devices working with these principles
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Consider the topic light-matter interaction. (a) Explain the concepts of absorption and (b) emission (spontaneous and stimulated) of a photon by a semiconductor by using the energy-band diagrams. (c) Give examples of devices working with these principles.
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