A solid-state laser in which an inverse population is formed at the levels of dope ions of the elements with unfilled electron shells by means of impact excitation of said ions with hot carriers, made on the basis of an electroluminescent capacitor in which the layer of electroluminescent substance is optically homogeneous, doped with said elements, and serves as the active element of the laser. The electrodes of the capacitor perform the functions of the Fabry-Perot cavity mirrors and those of the electrodes in order to produce the electrical field required to excite the active element. One of these electrodes is partially transparent to the laser emission.