Plasmonic gain in current biased tilted Dirac nodes
oleh: Sang Hyun Park, Michael Sammon, Eugene Mele, Tony Low
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2022-12-01 |
Deskripsi
Here, the authors predict that plasmons in two-dimensional materials with closely located electron and hole Fermi pockets can be amplified when an electrical current bias is applied along the displaced electron-hole pockets, without the need for an external gain medium.