4 papers
Surface Plasmon Assisted Control of Hot-Electron Relaxation Time
Sarvenaz Memarzadeh, Jongbum Kim, Yigit Aytac +2
Surface plasmon mediated hot carrier generation is widely utilized for the manipulation of the electron-photon interactions in many types of optoelectronic devices including solar…
Effect of defect-induced cooling on graphene hot-electron bolometers
Abdel El Fatimy, Peize Han, Nicholas Quirk +9
At high phonon temperature, defect-mediated electron-phonon collisions (supercollisions) in graphene allow for larger energy transfer and faster cooling of hot electrons than the n…
Optical Control of Chiral Charge Pumping in a Topological Weyl Semimetal
M. Mehdi Jadidi, Mehdi Kargarian, Martin Mittendorff +8
Solids with topologically robust electronic states exhibit unusual electronic and optical transport properties that do not exist in other materials. A particularly interesting exam…
Probing the Free-carrier Absorption in Multi-Layer Black Phosphorus
Y. Aytac, M. Mittendoff, T. E. Murphy
We study the carrier relaxation dynamics in thin black phosphorus (bP) using time-resolved differential transmission measurements. The inter-band and intra-band transitions, relaxa…