The Optoelectronics . Part 1. Physical Foundations of Semiconductor Optoelectronics . Coherent optoelectronics”, created by the team of authors, is a fascinating and in-depth study in the field of modern scientific knowledge, which will be of interest to both students and professionals in the field of physics, electronics and materials science. This work is not just a textbook, but a real guide to the complex but exciting aspects of optoelectronics that shape the future of technology. In the first part of the book, the authors consider in detail the physical foundations of semiconductor optoelectronics, which makes it an indispensable resource for students and graduate students studying physics and electronics. Readers will be able to immerse themselves in the world of semiconductors, understand their properties and behavior, and learn how they interact with light. The book covers key concepts such as photonic crystals, quantum dots, and semiconductor-based lasers, allowing the reader to gain a holistic view of the subject. The topics raised in the book concern not only theoretical aspects, but also practical applications of optoelectronics in modern technologies. The authors emphasize the importance of coherent optoelectronics, which opens new horizons in the field of communication, information processing and the creation of new light sources. This makes the book particularly relevant to those interested in the latest advances in technology, such as optical communications and photonics. The book will be of interest not only to students, but also to researchers, engineers and everyone who works in the field of high technology. If you are passionate about science, strive to understand how modern devices work, or just want to expand your knowledge in the field of optoelectronics, this publication will be a real find for you. It is suitable for both beginners and experienced professionals who want to deepen their knowledge and skills. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. They use many illustrations and examples, which makes the material more clear and understandable. The book is written taking into account current trends and discoveries in the field of optoelectronics, which makes it relevant and in demand. If you are looking for literature that will help you understand the basics of optoelectronics, as well as expand your horizons in this fascinating field of science, "Optoelectronics. Part 1. Physical Foundations of Semiconductor Optoelectronics . Coherent optoelectronics" will be an excellent choice. This book will not only enrich your knowledge, but also inspire new ideas and research. In conclusion, it is worth noting that this edition is the first part of a larger cycle that covers various aspects of optoelectronics. This makes it especially valuable for those who want to delve deeper into the topic and follow the development of technology in this area. Do not miss the opportunity to become part of scientific progress and discover the world of optoelectronics with this wonderful book!