21st Century Nanoscience – A Handbook

4Hybrid Phase-Change Nanophotonic Circuits

Johannes Feldmann and Wolfram Pernice

WWU Munster

4.1     Introduction

Integrated Photonics and Phase-Change Materials

Historical Background

4.2     Nanophotonic Circuits

Dielectric Waveguides and Refractive Index Contrast

Material Platforms and Waveguiding Properties

Loss Performance and Optical Resonators

4.3     Phase-Change Materials

Overview of Different Materials

Origin of the Property Contrast and Switching Mechanism

4.4     Phase-Change Photonics

Waveguide-Coupled PCMs

Far-Field Coupled PCMs

4.5     Applications and Outlook

All-Optical Multilevel Memory

All-Optical Switching and Routing

Photonic Arithmetic Processing

Neuromorphic Computing

4.6 Conclusions

References

4.1   Introduction

4.1.1   Integrated ...