Graphene-based tunable Bragg reflector with a broad bandwidth

• Main Authors: Tao, Jin, Yu, XueChao, Hu, Bin, Dubrovkin, Alexander, Wang, Qi Jie
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2018
• Subjects: Integrated Optics Devices; Waveguides; DRNTU::Engineering::Electrical and electronic engineering
• Online Access: https://hdl.handle.net/10356/87622; http://hdl.handle.net/10220/46793
• Institution: Nanyang Technological University

We show theoretically that Bragg stopband and defect resonance mode can be achieved and dynamically tuned over a wide wavelength range by a small change in Fermi energy level of graphene, in graphene plasmonic waveguide structures.