Tag: spectroscopy

  • Imaging Monolayers of Hexagonal Boron Nitride with Sum-Frequency Spectro-Microscopy

    Niclas MuellerFritz-Haber-Institute of the Max-Planck-Society – Berlin, Germany_______________________________________ Nonlinear optical spectroscopy and microscopy are powerful tools to characterize interfaces and lower-dimensional materials [1,2]. Here we introduce infrared + visible sumfrequency generation (SFG) imaging of hexagonal boron nitride (hBN) monolayers within a wide-field optical microscope. The technique enables us to image the topography and crystal orientation…

  • Nonlocal optical recombination of molecular-like defects in hexagonal boron nitride

    Gabriele GrossoCity University of New York, Advanced Science Research Center – New York, New York, USA_______________________________________ Hexagonal boron nitride (hBN) has emerged as a promising material for quantum photonics due to its ability to host single-photon emitters (SPEs) that operate at room temperature with high brightness and stability [1,2]. Emitters in hBN exhibit significant variability…