Flat-Band Photonic Waveguides

Publication information:

Mingjie Zhang, Fan Du, Durdu Guney, Serdar Kocaman, and Eric Mazur. 2025. “Flat-Band Photonic Waveguides”. In CLEO 2025, Pp. SS182_4. Optica Publishing Group. doi:10.1364/CLEO_SI.2025.SS182_4

Abstract

We experimentally demonstrate a moiré photonic crystal waveguide, achieving adjustable flat band count and flatness by varying moiré periodicity and modulation strength. We confirm the observation of flat bands with a minimum 6-nm bandwidth.