**Meet the editor**

Pankaj K. Choudhury held academic/research positions in the Banaras Hindu University (Varanasi, India), Goa University (Goa, India), Laval University (Quebec, Canada), Gunma University (Kiryu, Japan), Multimedia University (Cyberjaya, Malaysia), and Telekom R&D (Malaysia). He is currently a professor at the Institute of Microengineering and Nanoelectronics, Universiti Ke-

bangsaan Malaysia (Bangi, Malaysia). His research is focused on photonics. Prof. Choudhury has published over 210 research papers, 11 chapters in research-level books, and edited and coedited 3 books. He is an editorial board member of *Optik—The International Journal for Light and Electron Optics* (Elsevier, The Netherlands) and the editor in chief of the *Journal of Electromagnetic Waves and Applications* (Taylor & Francis, UK). Prof. Choudhury is also a senior member of IEEE, OSA, and SPIE.

Contents

**Preface VII**

Chapter 1 **Introductory Chapter: Whither Liquid Crystals? 1**

Chapter 2 **Synthetic Cationic Cholesteric Liquid Crystal Polymers 7**

Chapter 4 **Phase Transition effect on the Parametric Instability of Liquid**

Chapter 5 **Lyotropic Liquid Crystals Incorporated with Different Kinds of Carbon Nanomaterials or Biomolecules 89** Zhaohua Song, Yanzhao Yang and Xia Xin

Chapter 6 **Electrical and Thermal Tuning of Band Structure and Defect Modes in Multilayer Photonic Crystals 109**

Carlos G. Avendaño, Daniel Martínez and Ismael Molina

Chapter 7 **Nonlinear Optical Phenomena in Smectic A Liquid Crystals 131** Boris I. Lembrikov, David Ianetz and Yossef Ben Ezra

Lamees Abdulkaeem Al-Qurainy and Kais A.M. Al Naimee

Haimei Luo, Changjing Wang, Yinghua Ji and Wen Yuan

Chapter 9 **Micro/Nano Liquid Crystal Layer–Based Tunable Optical Fiber**

Chapter 8 **Temperature Effects on Liquid Crystal Nonlinearity 159**

Pankaj Kumar Choudhury

Mercedes Pérez Méndez

Emine Kemiklioglu

**Crystals 59**

Chapter 3 **From a Chiral Molecule to Blue Phases 35**

Martin Hernández Contreras

**Interferometers 177**
