Device for detecting surface plasmon and polarization by using topological insulator, method of manufacturing the device, and method of detecting surface plasmon and polarization

摘要

A device for detecting a surface plasmon and polarization includes: a topological insulating layer formed on a substrate; first and second electrodes formed on the topological insulating layer; and a waveguide connected to the topological insulating layer between the first and second electrodes.

主权项

1. A device for detecting a surface plasmon and polarization, the device comprising:
a topological insulating layer which is formed on a substrate and has a first edge and a second edge; first and second electrodes formed on the topological insulating layer; and a waveguide, which has an elongated body extending between a first edge and a second edge of the waveguide, the waveguide including: a first portion which is connected to the topological insulating layer between the first and second electrodes and includes the first edge of the waveguide that is terminated on the topological insulating layer between the first edge and the second edge of the topological insulating layer, and a second portion which extends from the second edge of the topological insulating layer and includes the second edge of the waveguide that is disposed opposing the first edge of the waveguide, in a lengthwise direction of the elongated body of the waveguide.