Lasing dynamics study by femtosecond time-resolved fluorescence non-collinear optical parametric amplification spectroscopy |
(a) The lasing dynamic trace (492 nm) of CDSB nano-wires. Inset: emission decay trace of CDSB nano-wires at 492 nm under the pump energy of 30 nJ per pulse (black dashed line) and its fitting (red solid line). (b) Transient emission spectra from CDSB nano-wires under the pump energy of 100 nJ per pulse (arrow direction represents the increase of time delay). |