Methods of optical physics offer unique opportunities for the investigation of brain and higher
nervous activity. The integration of cutting-edge laser technologies and advanced …

The Keldysh photoionization theory is a conceptual cornerstone and a universal framework
for the description of a broad class of fundamental effects in light–matter interaction. Here …

Optical imaging plays a major role in both basic biological research and clinical diagnostics,
providing noninvasive or minimally invasive microscopic imaging capability to investigate …

Seeing the big picture of functional responses within large neural networks in a freely
functioning brain is crucial for understanding the cellular mechanisms behind the higher …

A simple design of a fiber laser system for generating high-quality pulses with a duration of
order 100 fs with ultrabroad wavelength tunability in the 2–5 μm range is discussed. This …

Optical breathing solitons are known to display well-resolved cycles where the phase of
pulse compression is followed by pulse stretching. Here we show that, in the extreme …

Multioctave supercontinua provide a unique resource for ultrafast optical science, offering
advanced tools for time-resolved spectroscopy, frequency comb technologies, nonlinear …

The results of a study of multiphoton-excited luminescence and Stimulated Raman
scattering (SRS) of POPOP in a form of crystalline powder and toluene solution are …

The interaction of ultrashort light pulses with matter is accompanied by a variety of new
phenomena involving Raman scattering due to vibrational and rotational modes of …

An extended-cavity Cr: forsterite laser is integrated with a photonic-crystal fiber soliton
frequency shifter and a periodically poled lithium niobate spectrum compressor for …