2 - Interaction of Electrons and Photons

Chia sẻ: Phạm Minh Vương | Ngày: | Loại File: PDF | Số trang:20

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2 - Interaction of Electrons and Photons

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This chapter provides the basis for the discussion in the following chapters by summarizing the fundamental concepts and the quantum theory concerning the interaction between electrons and photons in a form that is convenient for theoretical analysis of semiconductor lasers [1–9]. First, quantization of electromagnetic fields of optical waves is outlined, and the concept of a photon is clarified. Quantum theory expressions for coherent states are also given. Then the quantum theory of electron–photon interactions and the general characteristics of optical transitions are explained. ...

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