“…via spin coating or thermal evaporation) which has led to sometimes compact, tunable and inexpensive solid-state laser sources with potential applications in different fields such as spectroscopy [4,5], bio/chemo sensing [6,7] and short-haul data telecommunications via plastic optical fibers [8]. There are numerous reports of such devices under optical pumping in different laser configurations such as distributed feedback resonators [9], vertical microcavities [10,11] and external-cavity resonators [12]. In the perspective of having compact organic laser sources which integrate the pump and the laser cavity in a small-volume device, there have been several achievements through indirect electrical pumping of organic solid-state lasers via Light Emitting Diodes [13] or nitride diode lasers [14,15] by means of somehow sophisticated electronic circuitry systems for the pump source to make it operate in a pulsed regime.…”