1. Biomolecular and Organic Electronics, Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
2. Terahertz Materials Analysis Center (THeMAC), Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
3. Centre for Physical Sciences and Technology, Vilnius 01222, Lithuania
4. Laser Research Center, Vilnius University, Saultekio 10, Vilnius LT-10223, Lithuania
5. Sensor and Actuator Systems, Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
6. Complex Materials, Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden