Hexagonal boron nitride nanophotonics - Sejeong Kim

Hexagonal boron nitride (hBN) has emerged as a promising platform, following reports of hyperbolic phonon-polaritons and optically stable, ultra-bright quantum emitters. In this report, we fabricate hBN into high-quality photonic devices such as photonic crystals and microrings to increase light-matter interaction. This is the first direct fabrication of van der Waals crystals into photonic devices with nano-sized features. This can open up promising avenues in many applications in nanophotonics including quantum photonics and optomechanics.