Photoconductive detection of arbitrary polarised terahertz pulses

TL;DR

This paper introduces a novel polarization-sensitive terahertz detector using a three-contact photoconductive receiver, enabling measurement of arbitrary polarized THz pulses for improved terahertz time-domain spectroscopy.

Contribution

The paper presents a new three-contact photoconductive detector that can measure arbitrary polarized terahertz pulses, advancing polarization-sensitive THz-TDS capabilities.

Findings

Successfully fabricated a three-contact photoconductive receiver.

Demonstrated polarization sensitivity in terahertz pulse detection.

Enhanced measurement of orthogonal electric field components.

Abstract

To perform polarization sensitive THz-TDS, it is necessary to be able to measure two (preferably orthogonal) electric field components of a terahertz transient. We have developed a polarization sensitive detector by fabricating a three-contact photoconductive receiver.