3 papers
physics.optics2023
High-Index Topological Insulator Resonant Nanostructures from Bismuth Selenide
Sukanta Nandi, Shany Z. Cohen, Danveer Singh +4
Topological insulators (TIs) are a class of materials characterized by an insulting bulk and high mobility topologically protected surface states, making them promising candidates…
physics.optics2023
Temperature Invariant Metasurfaces
Shany Zrihan Cohen, Danveer Singh, Sukanta Nandi +1
Thermal effects are well known to influence the electronic and optical properties of materials through several physical mechanisms and are the basis for various optoelectronic devi…
physics.optics2022
Deep-subwavelength resonant metaphotonics enabled by high-index topological insulator bismuth telluride
Danveer Singh, Sukanta Nandi, Yafit Fleger +2
In nanophotonics, small mode volumes, high-quality factor (Q) resonances, and large field enhancements without metals, fundamentally scale with the refractive index and are key for…