Image polaritons in boron nitride for extreme polariton confinement with low losses
oleh: In-Ho Lee, Mingze He, Xi Zhang, Yujie Luo, Song Liu, James H. Edgar, Ke Wang, Phaedon Avouris, Tony Low, Joshua D. Caldwell, Sang-Hyun Oh
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2020-07-01 |
Deskripsi
The tight confinement of polaritons in 2D materials leads to increased optical losses. Here, the authors demonstrate image phonon polariton modes in hexagonal boron nitride with an antisymmetric charge distribution that feature quality factors of up to 501 and an effective index of 132.