Fig. 1. PMMA doped with CdSe QD physical characteristics. (a) The end result of the CdSe QD thin flake. (b) The TEM micrograph and selected area electron diffraction pattern confirmed that the particle size is within the nanometer range, (c) The energy dispersive x ray spectroscopy measurement showing the existence of cadmium and selenide. (d) The XRD patterns of cubic crystalline CdSe QD.

Fig. 2. Experimental setup of the proposed Q-switched YDFL employing a quantum-doped CdSe. Inset is non-linear properties of CdSe.

Fig. 3. Output characteristic of resultant Q-switched pulses. (a) Optical spectrum. (b) Repetition rate and pulse width versus pump power. (c) Output power and pulse energy versus pump power.

Fig. 4. Pulse characteristics of resulting Q-switched operation. (a) Pulse waveform. (b) RF spectrum.