Eu3+-doped microcrystals

Five-Fano-dip multichannel

Nested photon-phonon dressing yields tunable multi-Fano interference and high-order non-Hermitian exceptional points, providing a basis for multichannel routers.

Fan, Huanrong · Raza, Faizan · Mujahid, Anas · Li, Peng · Wang, Yafen · Haitian, Tang · Muhammad, Usman · Li, Bo · Li, Changbiao · Zhang, Yanpeng

Chip 2024

Advantages

Multi-Fano interference obtained in Eu3+ : BiPO4 (7:1, 6:1, 1:1, 0.5:1) and Eu3+ : NaYF4 (1:1/4) crystals

Pure H-phase (0.5:1) sample exhibits strongest photon-phonon dressed effect (five Fano dips)