Broadband frequency translation through time refraction in an epsilon-near-zero material
oleh: Yiyu Zhou, M. Zahirul Alam, Mohammad Karimi, Jeremy Upham, Orad Reshef, Cong Liu, Alan E. Willner, Robert W. Boyd
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2020-05-01 |
Deskripsi
Here, the authors present an experimental demonstration of adiabatic frequency conversion using the concept of time boundary by exploiting the properties of an ITO film operating near its epsilon-near-zero frequency. They demonstrate a large and controllable shift up to 14.9 THz.