Research efforts of the Ultrafast THz and Optical Spectroscopy Lab at WPI (PI- Lyubov Titova) are focused on three themes: (i) Application of terahertz (THz) spectroscopy to probe dynamics of photo-excited charge carriers in nanomaterials with applications in photovoltaics and solar fuel production; (ii) Using THz pulses and ultrafast optical techniques to study intermolecular dynamics in liquids; (iii) Investigating interactions of intense THz pulses with cells, tissues and their constituents, with a goal of development of novel diagnostic and therapeutic applications. Prof. Titova is a member of WPI Energy Research Group http://energy.wpi.edu
Charge transfer state emission dynamics in blue-emitting functionalized silicon nanocrystals, G.B. De los Reyes, M.Dasog, M. Na, L.V. Titova, J.G.C. Veinot, and F.A. Hegmann, Phys. Chem. Chem. Phys., 17, 30125
Terahertz Spectroscopy: Studying Carrier Dynamics in Semiconductor Nanostructures, L.V. Titova, S. Xu, J.-M. Baribeau, D.J. Lockwood, and F.A. Hegmann, ECS Trans., 69, 51-57
Size vs. Surface: Tuning the Photoluminescence of Freestanding Silicon Nanocrystals across the Visible Spectrum via Surface Groups, M. Dasog, G. B. De los Reyes, L. V. Titova, F. A. Hegmann, and J. G. C. Veinot, ACS Nano 3, 9636-9648
Intense THz pulses down-regulate genes association with non-melanoma skin cancer and psoriasis in human skin: a new therapeutic avenue? L. V. Titova, A. Ayesheshim, A. Golubov, R.Rodriguez-Juarez, R. Woycicki, F. A. Hegmann, and O. Kovalchuk, Sci. Rep. 3, 2363
Intense THz pulses cause H2AX phosphorylation and activate DNA damage response inhuman skin, L. V. Titova, A. K. Ayesheshim, A. Golubov, D. Fogen, R. Rodriguez-Juarez, F. A. Hegmann, and O. Kovalchuk, Biomed. Opt. Express 4, 559