Abstract
In this paper, we report the investigation of two-dimensional organic photonic crystal microcavity laser (2D OPCM). The gain medium consists of an Alq3:DCJTB layer deposited on a planar Si<sub>3</sub>N4 photonic crystal microcavity. Both H2 and L3 photonic crystal cavities are studied in terms of quality factor and the resonance wavelength by 3D FDTD simulations. The structures are characterized under optical pumping by using a Nd:YAG frequency-tripled laser emitting at 355 nm with a repetition frequency of 10 Hz and a pulse duration of 6 ns. A laser peak at 652 nm is observed for both cavities with lasing thresholds of 0.014 nJ and 0.017 nJ for the H2 and the L3 cavities, respectively.
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