Flat-Band Photonic Waveguides

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Zhang M., Du F., Guney D., KOCAMAN S., Mazur E.

2025 Conference on Lasers and Electro-Optics, CLEO 2025, California, United States Of America, 4 - 09 May 2025, (Full Text)

• Publication Type: Conference Paper / Full Text
• City: California
• Country: United States Of America
• Middle East Technical University Affiliated: Yes

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.