EPJ Plus Focus Point Issue: Nonlinear optical systems and applications

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Published on 19 February 2025

Guest Editors: J. Mou and Q. Zhou

Nonlinear optical systems have played a key role in modern technology. Innovations in the field of nonlinear optics have driven the development of several applications in efficient optical communications, quantum computing, and precision sensing. In this Focus Point on Nonlinear Optical Systems and Applications, cutting-edge research on nonlinear optical systems is discussed in depth, which not only focuses on the nonlinear dynamical behavior and noise effects in optical fibers but also explores the construction and application of nonlinear optical systems. These studies are crucial to further promote the performance optimization of optical networks. It is worth mentioning that the nonlinear optical system can be used as a pseudorandom number generator, and the complex pseudorandom sequences can be well applied in cryptography. In the future, research on nonlinear optics is expected to realize more stable optical communication and further increase the communication speed.

The articles included in the Topical Collection are available here and are freely accessible until 31 March 2025. For further information read the Editorial.