Quantum Phononics

The aim of my dual degree project was to design an electromagnetic mechanical resonator utilizing Carbon Nanotubes, engineered to generate antibunched phonons, the quantized units of sound. A central challenge of this research was to elevate the operational temperature limit, within which phonon antibunching remains effective, from well below 1 Kelvin to above 1 Kelvin. The system I proposed consisted of an array of Carbon Nanotubes, which were excited by an external electromagnetic force. Through quantum simulations, I identified a robust antibunching region in a system comprising three nanotubes. Subsequently, I applied non-local Finite Element Method (FEM) analysis to these nanotubes and performed a comprehensive parametric study on critical factors such as nanotube diameter, length, and support structures. My findings demonstrated that the operational temperature could be increased to 1.368 Kelvin while preserving the strong antibunching regime, marking a significant advancement in the field.

You can access a detailed report here.