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Ultrafast & Nano-spectroscopy group
Our main research interest is in experimental condensed matter physics: utilizing optical spectroscopy to study complex materials (CM) with unprecedented spatial, temporal and spectral resolution. Our first mission is to interrogate ultrafast electron and lattice dynamics in CM such as 3d transition metal oxides, superconductors, heavy fermion compounds, and functional organic polymers with state-of-the-art infrared and far-infrared lasers on time scales of 25 femtoseconds to hundreds of picoseconds. Our second mission is to overcome the diffraction limit of conventional optics and ultrafast spectroscopy, investigating new physics in CM with intrinsic phase inhomogeneities and harvesting new functionalities of nano-engineered electronic materials using near-field nano-optics on length scales of 10 nanometers to hundreds of micrometers. |
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We envisage, despite the fact that the size of an iPhone becomes bigger (than bigger) and the waiting time of a nobel prize becomes longer and longer (Nature 508, 186 (2014)), exciting new physics and technology innovations will nevertheless emerge on smaller and smaller length scales with faster and faster temporal responses [1, 2, 3]!
