Cavity-enhanced spectroscopy of single-wall carbon nanotubes

 

Carbon nanotubes (CNTs) offer an intriguing combination of optical, electronic, and mechanical properties.

We develop different techniques of cavity-enhanced spectroscopy to characterize individual CNTs.

In particular, we are working on spatially resolved, cavity-enhanced Raman spectroscopy to obtain spatial maps of molecular-fingerprint information. Furthermore, localized excitons in CNTs offer an electronic degree of freedom to study quantum-coherent light-matter interactions.

We are preparing an experiment where we want to couple individual free-standing nanotubes to an optical microcavity at cryogenic temperature.

The project is in close collaboration with Prof. Alexander Högele and partially funded by NIM.