supported by the National Natural Science Foundation of China(Nos.11874311 and 11504306);the Fujian Provincial Natural Science Foundation(No.2017J05015)
Effective medium theory is a powerful tool to solve various problems for achieving multifarious functionalities and applications. In this article, we present a concise empirical formula about effective permittivity of...
supported in part by the Research Fund of State Grid Corporation of China(No.52183516000B);the National Natural Science Foundation of China(No.61475129);the Natural Science Foundation of Fujian Province(No.2017J06016);and the Fundamental Research Funds for the Central Universities(No.20720180057)
We demonstrate a 2080 nm long-wavelength mode-locked thulium(Tm)-doped fiber laser operating in the dissipative soliton resonance(DSR) regime. The compact all-fiber dumbbell-shaped laser is simply constructed by a 50/...