Electron Paramagnetic Resonance Spectroscopy of Er${}^{3+}$:Y${}_2$SiO${}_5$ Using Josephson Bifurcation Amplifier: Observation of Hyperfine and Quadrupole Structures

Rangga P. Budoyo, Kosuke Kakuyanagi, Hiraku Toida +4

We performed magnetic field and frequency tunable electron paramagnetic resonance spectroscopy of an Er${}^{3+}$ doped Y${}_2$SiO${}_5$ crystal by observing the change in flux induced on…