Confined transverse electric phonon polaritons in hexagonal boron nitrides

• Main Authors: Musa, Muhyiddeen Yahya, Renuka, Maturi, Lin, Xiao, Li, Rujiang, Wang, Huaping, Li, Erping, Zhang, Baile, Chen, Hongsheng
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2019
• Subjects: DRNTU::Science::Physics; Transverse Electric; Hexagonal Boron Nitrides
• Online Access: https://hdl.handle.net/10356/106098; http://hdl.handle.net/10220/47901
• Institution: Nanyang Technological University

We predict the existence of confined transverse electric (TE) phonon polaritons in an ultrathin hexagonal boron nitride (hBN) slab below hBN's second transverse optical frequency. The skin depth of TE phonon polaritons can be decreased to subwavelength scale by increasing the thickness of hBN t...