The textbook is devised for students of applied physic and electrical engineering specialties. The textbook can be useful for students and professionals focusing on photonics issues. The book gives overview of current laser physics and nonlinear optics, coherent optics and holography, optical waveguides and optoelectronics, basics of nanophotonics as well as possible areas of their application.The book is developed in a frame of the project “ERASMUS+ Capacity-building in the Field of Higher Education 2015 Call for Proposals EAC/A04/2014 561525-EPP-1-2015-1-LV-EPPKA2-CBHE-JP - ERASMUS+ CBHE