Polarisation-Sensitive THz Detectors
M.B. Johnston, E. Castro-Camus, J. Lloyd-Hughes, M.D. Fraser, H.H. Tan, and C. Jagadish
TL;DR
This paper presents a novel three-contact photoconductive detector capable of simultaneously measuring the full polarization state of coherent THz radiation, enhancing spectroscopic analysis of birefringent materials.
Contribution
The development of a polarization-sensitive THz detector with high extinction ratio and simultaneous electric field component measurement on Fe+ implanted InP.
Findings
Cross-polarised extinction ratio > 100:1
Capable of recording two electric field components simultaneously
Useful for spectroscopy of birefringent and optically active materials
Abstract
We have developed a detector of coherent terahertz (THz) radiation that can recover the full polarisation state of a THz transient. The device is three-contact photoconductive receiver, which is capable of recording two time-varying electric field components of a THz pulse simultaneously. Our receiver was fabricated on Fe+ implanted InP and showed a cross-polarised extinction ratio greater than 100:1. The detector will be useful for spectroscopy of birefringent and optically active materials.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.
Taxonomy
TopicsTerahertz technology and applications · Spectroscopy and Laser Applications · Photonic and Optical Devices