Abstract
Publisher Summary This chapter discusses the chaotic dynamics in semiconductor lasers with optical feedback. The chapter introduces general laser rate equations that reduce to the Lorenz equations, and the classifications of the lasers are given. The instabilities intrinsically involved in the rate equations are studied. Semiconductor lasers as class-B lasers are described and the possibility for unstable oscillations of lasers by the introduction of external perturbations is discussed. The chapter derives the forms of the rate equations for edge-emitting semiconductor lasers. The rate equations of the semiconductor lasers for various laser structures are introduced. The theory of semiconductor lasers with optical feedback is presented and the various effects of feedback-induced characteristics and instabilities are discussed. The chapter discusses the applications of chaos in laser systems and discusses chaos control and chaos synchronization in laser systems. As an application of chaos control in laser systems, the reduction of feedback-induced relative intensity noise (RIN) is demonstrated. The chapter presents the possibility for chaos communications based on chaos synchronization in semiconductor lasers with optical feedback.
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