CC BY
0Organic kainate single crystals as a broadband THz source for
spectroscopy
E.O. Chiglintsev1'2*. K.A. Brekhov2 3, A.I. Chernov1'2, P. Ginzburg4
1- Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny,
Russia
2- Russian Quantum Center, Skolkovo, Moscow region, Russia 3- Department of Nanoelectronics, MIREA - Russian Technological University, Moscow, Russia 4- Department of Physical Electronics, Tel Aviv University, Ramat Aviv, Tel Aviv69978, Israel
* chiglintsev.eo@phystech.edu
Organic crystals have recently attracted attention of researchers for their ability of efficient nonlinear frequency generation. This work focuses on investigation of organic kainate single crystals [1] for time-domain terahertz (TD-THz) spectroscopy. We have obtained a broadband THz signal from kainate crystals, with a bandwidth of approximately up to 8 THz. To pump the crystal, we used an Yb laser with the wavelength of 1030 nm in a THz time-domain spectrometer setup. The generated THz spectrum of the kainate crystal was compared to that of another well-known organic crystal, BNA [2] (Fig.1). These results could be applied to explore optical properties of materials in the THz range.
1E-4 -Ji-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1
0 2 4 6 8 10 12 14
THz
Fig.1. THz spectra of kainate and BNA organic crystals.
[1] H. Barhum, C. McDonnell, T. Alon, R. Hammad, M. Attrash, T. Ellenbogen, P. Ginzburg, Organic Kainate Single Crystals for Second-Harmonic and Broadband THz Generation, ACS Applied Materials & Interfaces 2023 15 (6), 8590-8600 (2023).
[2] M. Jazbinsek, U. Puc, A. Abina, A. Zidansek, Organic Crystals for THz Photonics., Appl. Sci. 2019, 9, 882 (2019).
