Fig. 6: Optical mode profile distribution of the Brillouin-quadratic lasing mode.
From: Visible Brillouin-quadratic microlaser in a high-Q thin-film lithium niobate microdisk
(TM4-polarized, m = −908 @ 779.859 nm). Normalized electric field components a \(E\), b \({E}_{r}\) and c \({E}_{z}\) of the optical mode.
