Computational Nanophotonics

3

Nanowire Photonics and Their Applications

Sun-Kyung Kim, Thomas J. Kempa, Charles M. Lieber, and Hong-Gyu Park

CONTENTS

3.1    Introduction

3.2    Nanowires as Optical Absorbers

3.2.1    Basic Computational Methods

3.2.2    Single Horizontally Oriented Nanowires

3.2.2.1    Optical Antenna Effects and Size-and Morphology-Dependent Resonant Modes

3.2.2.2    Cross-Sectional Dependence

3.2.2.3    External Effects: Substrate and Dielectric Shell

3.2.2.4    Vertical Stacks and Horizontal Arrays

3.2.2.5    Plasmonic Photovoltaic Devices

3.3    Nanowire Active Devices

3.3.1    Nanowire Optical Cavities

3.3.1.1    Modal Characteristics: Quality Factors and Confinement Factors

3.3.1.2    Nanowire Laser

3.3.2    Nonlinear Mixing in Nanowires

3.3.3    Sub-Wavelength ...