Monolayer 2D ZrTe transition metal dichalcogenide as nanoscatter for random laser action

We demonstrate random laser emission from Rhodamine 6G with ZrTe 2 transition metal dichalcogenide (TMD) as nanoscatters, both in powder and 2D nanoflakes liquid suspension. The 2D semimetal ZrTe 2 was synthesized by a modified redox exfoliation method to provide single layer TMD, which was employed for the first time as the scatter medium to provide feedback in an organic gain medium random laser. In order to exploit random laser emission and its threshold value, replica symmetry breaking leading to a photonic paramagnetic to photonic spin glass transition in both 2D and 3D (powder) ZrTe 2 was demonstrated. One important aspect of mixing organic dyes with ZrTe 2 is that there is no chemical reaction leading to dye degradation, demonstrated by operating over more than 2 hours of pulsed (5 Hz) random laser emission. We demonstrate random laser emission from Rhodamine 6G with ZrTe 2 transition metal dichalcogenide as nanoscatters. The 2D semimetal ZrTe 2 was employed for the first time as the scatter medium to provide feedback in an organic gain medium random laser.