Multifrequency evolution of the Integrated pulse profile of radio pulsars by implementing the inverse Compton mechanism

Above cryogenic temperature, random laser (RL) emission under continuous wave (CW) optical pumping is often challenging for materials having plenty of lattice defects. Thus, intensive care is required while fabricating the RL device. Synthesis of 2D materials having unique functionality at the atomic limit is necessary for use in such devices. In this work, defects-free 2D yellow pearl (2D-YP) has been synthesized from bulk south sea pearl using liquid-phase exfoliation (LPE) technique. Thereafter, 2D-YP has been employed as passive scatterer to achieve CW pumped RL emission from a conventional gain molecule, i.e. , Rhodamine B (RhB). Compared to other semiconductor (TiO 2 ) and 2D (Graphene and h-BN) passive scatterers, ~25 times improvement in gain volume is observed for the disordered YP@RhB at a lowest threshold input pump power and a linewidth of 65 mW and 3 nm, respectively. Additionaly, a clear transition from ic-RL to mode tunable coherent RL (c-RL) emission is also possible by altering the configuration of the 2D-YP@RhB container. Therefore, the newly designed Van der Waals heterostructure, i.e. , 2D-YP with intrinsic photon trapping capability may pave an avenue towards developing future exciting optoelectronic devices.

Atomically Thin Yellow Pearl: An Impetus for Thermal Nonlinear Optical Effect Assisted Continuous Wave Random Lasing

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Multifrequency evolution of the Integrated pulse profile of radio pulsars by implementing the inverse Compton mechanism

Atomically Thin Yellow Pearl: An Impetus for Thermal Nonlinear Optical Effect Assisted Continuous Wave Random Lasing