Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

Solid-state laser has been widely used in industrial production, military weapons and
scientific research because of its compact structure, convenient use and high output power …

Enabling broad tunability, high peak and average power, ultrashort pulse duration, and all
known modes of laser operation-transition-metal (TM)-doped II-VI chalcogenides are the …

Femtosecond laser sources and optical frequency combs in the molecular fingerprint region
of the electromagnetic spectrum are crucial for a plethora of applications in natural and life …

There is great interest in sources of coherent radiation in the mid-wave infrared (3–5 μm),
and instruments based on fiber can offer major practical advantages. This range, and much …

Transition-metal-doped II-VI semiconductors possess a unique blend of physical,
spectroscopic, optical, and technological parameters. These materials enable high power …

We report, to the best of our knowledge, the first super-octave femtosecond polycrystalline
Cr: ZnS laser at the central wavelength 2.4 µm. The laser is based on a non-polarizing …

We demonstrate efficient amplification of few-optical-cycle mid-IR pulses in single-pass
continuously pumped laser amplifiers based on polycrystalline Cr^ 2+: ZnS and Cr^ 2+ …

Lasers based on Cr^ 2+-doped II-VI material, often known as the Ti: Sapphire of the mid-
infrared, can directly provide few-cycle pulses with octave-spanning spectra, and serve as …

This review highlights the development of ultrafast sources in the near-and middle-IR range,
developed in the laboratory of Nonlinear Optics and Superstrong Laser Fields at Lomonosov …