Experimental Analysis of Codimension-2 Bifurcations in a Periodically-Forced Opto-Thermal Oscillator

The response of a self-oscillating opto-thermal device irradiated with modulated light is investigated both numerically and experimentally. The subharmonic bifurcation structure of the amplitude-frequency parameter plane is analyzed and a variety of local and global codimension-2 bifurcations are characterized. A detailed study of the dynamics transformation around these points is also provided.