Advanced Spectroscopy of Atoms, Quantum Dots, Upconversion nanoparticles, and Polariton condensates in Optical Lattices, Microscopy, Lifetime measurement (TCSPC technique), Imaging techniques (real- and reciprocal-space), Pump-Probe, Laser systems adjustment (Toptica ECDL, Coherent MIRA 900 – ps system, APE OPO - optical parametric oscillator, SHG and THG systems, Regenerative Amplifier and OPA, APE Pulse Picker), Systems of active stabilization (PID), Interferometry, Spatial Light Modulation, Data analysis (Origin, Igor pro 7), Manuscripts writing (TeXstudio, Word)