Journal
OPTICA
Volume 3, Issue 3, Pages 299-302Publisher
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.3.000299
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Funding
- Russian Foundation for Basic Research (RFBR) [14-02-90030, 14-29-07182, 15-32-20713, 15-32-20897]
- Welch Foundation [A-1801]
- Russian Science Foundation (RSF) [14-12-00772]
- Austrian Science Fund (FWF) [P26658, F4903-N23 SFB NextLite]
- Austrian Science Fund (FWF) [P26658] Funding Source: Austrian Science Fund (FWF)
- Russian Science Foundation [14-12-00772] Funding Source: Russian Science Foundation
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Filamentation-assisted pulse compression in the gas phase is shown to enable the generation of subterawatt few-cycle pulses in the mid-infrared (mid-IR). With both spatial modulation instabilities and excessive plasma scattering of the mid-IR beam prevented through a careful choice of gas pressure and input peak power, providing a single-filament regime of pulse propagation, peak powers as high as 0.3 TW are achieved in a truly single-mode, almost diffraction-limited 35 fs output at a central wavelength of 4 mu m. Applications in molecular spectroscopy, semiconductor electronics, high-field physics, standoff detection, and innovative x-ray sources are envisaged. (C) 2016 Optical Society of America
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