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Diffraction Optics of Complex-Structured Periodic Media [electronic resource] : Localized Optical Modes of Spiral Media / by Vladimir Belyakov

Author
Belyakov, Vladimir
Published
Cham : Springer International Publishing : Imprint: Springer, 2019.
Edition
2nd ed. 2019.
Physical Description
XIX, 253 pages 118 illustrations, 6 illustrations in color : online resource
Additional Creators
SpringerLink (Online service)
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Series
Contents
Introduction -- Waves in Media with One-Dimensional Periodicity (Exact Solution) -- Approximate Description of Interaction of Radiation with Regular Media -- Nonlinear Optics of Periodic Media -- Optics of Chiral Liquid Crystals -- Edge Modes in Photonic Liquid Crystals -- Low Threshold DFB Lasing in Chiral Liquid Crystals -- Optical Defect Modes in Chiral Liquid Crystals -- Optical Defect Modes at an Active Defect Layer in Photonic Liquid Crystals -- Localized Modes in Optics of Photonic Liquid Crystals with Local Anisotropy of Absorption -- Localized Modes and Enhancement of Some Optical Phenomena in Photonic Media.
Summary
This book presents recent theoretical and experimental results of localized optical modes and low-threshold lasing in spiral photonic media. Efficient applications of localized modes for low-threshold lasing at the frequencies of localized modes are a central topic of the book's new chapters. Attention is paid to the analytical approach to the problem. The book focuses on one of the most extensively studied media in this field, cholesteric liquid crystals. The chosen model, in the absence of dielectric interfaces, allows to remove the problem of polarization mixing at surfaces, layers and defect structures. It allows to reduce the corresponding equations to the equations for light of diffracting polarization only. The problem concentrates then on the edge and defect optical modes. The possibility to reduce the lasing threshold due to an anomalously strong absorption effect is presented theoretically for distributed feedback lasing. It is shown that a minimum of the threshold-pumping wave intensity can be reached for the pumping wave frequency coinciding with the localized mode frequency (what can be reached for a pumping wave propagating at a certain angle to the helical axes). Analytic expressions for transmission and reflection coefficients are presented. In the present second edition, experimental observations of theoretically revealed phenomena in spiral photonic media are discussed. The main results obtained for spiral media are qualitatively valid for photonic crystals of any nature and therefore may be applied as a guide to investigations of other photonic crystals where the corresponding theory is more complicated and demands a numerical approach. It is demonstrated that many optical phenomena occurring at the frequencies of localized modes reveal unusual properties which can be used for efficient applications of the corresponding phenomena, efficient frequency conversion and low threshold lasing, e.g. For the convenience of the reader, an introduction is given to conventional linear and nonlinear optics of structured periodic media. This book is valuable to researchers, postgraduate, and graduate students active in theoretical and experimental physics in the field of interaction of radiation with condensed matter. .
Subject(s)
ISBN
9783319434827
Digital File Characteristics
text file PDF
Part Of
Springer eBooks
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