Guided Wave Optics and Photonic Devices

15	Photonic Crystal Fibre Basic Principles of Light Guidance, Fabrication Process and Applications Samudra Roy Max Planck Institute for the Science of Light Debashri Ghosh University of Limoges Shyamal Bhadra CSIR-Central Glass & Ceramic Research Institute

CONTENTS

15.1    Introduction

15.2    Physics of PBG and PCF: Brief Outline

15.3    Characteristics of PCF

15.3.1    Propagation: Fundamental Understanding

15.3.2    Determination of n_FSM and n_eff

15.3.2.1    Scalar Effective-Index Method

15.3.2.2    Full Vector Effective-Index Method

15.3.3    Properties Of PCFs

15.3.3.1    Endlessly Single-Mode Nature

15.3.3.2    Confinement Mechanism of Light

15.3.3.3    Geometric Parameters for Confinement

15.3.3.4    Effective Area and Nonlinearity ...