3 papers
physics.optics2026
Fundamental Limitations of Terahertz Quarter-Wave Plates Based on High-Contrast Dielectric Gratings
Oleg Kameshkov, Rajour Tanyi Ako, Madhu Bhaskaran +1
We present a systematic study of high-contrast dielectric gratings operating as broadband quarter-wave plates in the terahertz range. Using higher-order effective medium theory, we…
physics.optics2019
Broadband Single-Mode Hybrid Photonic Crystal Waveguides for Terahertz Integration on a Chip
Haisu Li, Mei Xian Low, Rajour Ako +5
A novel terahertz hybrid waveguide chip consisting of silicon photonic crystals sandwiched in parallel gold plates is developed. Both simulation and experimental results demonstrat…
physics.optics2019
Terahertz sensing of 7nm dielectric film with bound states in the continuum metasurfaces
Yogesh Kumar Srivastava, Rajour Tanyi Ako, Manoj Gupta +3
Fingerprint spectral response of several materials with terahertz electromagnetic radiation indicates that terahertz technology is an effective tool for sensing applications. Howev…