Author Affiliations
Hristo Iliev,1
Veselin Aleksandrov,1
Ivan Buchvarov,1,*
Huaijin Zhang,2
Jiyang Wang,2
Junhai Liu,3
and Valentin Petrov4
1Physics Department, Sofia University, 5 James Bourchier Blvd., BG-1164 Sofia, Bulgaria
2National Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
3College of Physics, Qingdao University, Ning-Xia Road 308, Qingdao 266071, China
4Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, 2A Max-Born-Street, D-12489 Berlin, Germany
*Corresponding author: ivan.buchvarov@phys.uni-sofia.bg