Capabilities include:
- Static and time-resolved reflectivity/transmission microscopy.
- Static and time-resolved magneto-optical microscopy.
- Static and time-resolved second harmonic generation (SHG) microscopy.
- High harmonic generation (HHG) microscopy under near- to mid-infrared ultrafast photoexcitation.
- Terahertz emission spectroscopy under ultraviolet to mid-infrared ultrafast photoexcitation.
- Broadband optical-pump/THz-probe and THz-pump/optical-probe spectroscopy.
- Low temperature (<5K) and high magnetic fields (7T) of all the above.
- Structured light variants of all the above.
Contact:
Prashant Padmanabhan
Research Highlights:
Twisted Nonlinear Optics in Monolayer van der Waals Crystals
Norden, T.; Martinez, L. M.; Tarefder, N.; Kwock, K. W. C.; McClintock, L. M.; Olsen, N.; Holtzman, L. N.; Yeo, J. H.; Zhao, L.; Zhu, X.; Hone, J. C.; Yoo, J.; Zhu, J.-X.; Schuck, P. J.; Taylor, A. J.; Prasankumar, R. P.; Kort-Kamp, W. J. M.; Padmanabhan, P. ACS Nano 2025, 19 (34), 30919-30929. doi.org/10.1021/acsnano.5c06908
Photocurrent-driven transient symmetry breaking in the Weyl semimetal TaAs
Sirica, N.; Orth, P. P.; Scheurer, M. S.; Dai, Y. M.; Lee, M.-C.; Padmanabhan, P.; Mix, L. T.; Teitelbaum, S. W.; Trigo, M.; Zhao, L. X.; Chen, G. F.; Xu, B.; Yang, R.; Shen, B.; Hu, C.; Lee, C.-C.; Lin, H.; Cochran, T. A.; Trugman, S. A.; Zhu, J.-X.; Hasan, M. Z.; Ni, N.; Qiu, X. G.; Taylor, A. J.; Yarotski, D. A.; Prasankumar, R. P. Nature Materials 2021, 21 (1), 62–66. doi.org/10.1038/s41563-021-01126-9.
Coherent helicity-dependent spin-phonon oscillations in the ferromagnetic van der Waals crystal CrI3 Padmanabhan, P.; Buessen, F. L.; Tutchton, R.; Kwock, K. W.; Gilinsky, S.; Lee, M. C.; McGuire, M. A.; Singamaneni, S. R.; Yarotski, D. A.; Paramekanti, A.; Zhu, J.-X.; Prasankumar, R. P. Coherent Helicity-Dependent Spin-Phonon Oscillations in the Ferromagnetic van Der Waals Crystal Cri3.
Nature Communications 2022,
13 (1). doi.org/10.1038/s41467-022-31786-3.
