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This paper updates the study of anti-resonant hollow-core fibers (AR-HCFs) and their applications. Such fibers have been shown to offer low-loss transmission windows which greatly extend the traditional spectral regions of hollow-core fibers into visible and mid-IR. The single-mode performance, large mode area, low dispersion and low nonlinearity make AR-HCF the most promising medium for high-power...
Hollow optical fibres offer a unique photonic platform by confining light in a void which may be filled with a vacuum or a gas at low or high pressure. The lack of substantial overlap of the light with the solid parts of the fibre surrounding the hollow core also increases the fibre damage threshold and reduces the attenuation in regions where the glass is absorbing strongly. For the current generation...
High harmonic generation (HHG) is a promising tabletop source of coherent short wavelength radiation, with applications spanning science and engineering [1]. However, the low conversion efficiency and low average power of conventional few-kHz near-infrared (NIR) driving lasers limits the photon flux of such sources. Scaling this technique to MHz driving lasers requires strong focusing due to the limited...
A mode-locked fiber laser with self-similar pulse evolution in a segment of dispersion-decreasing fiber is demonstrated. Generation of ∼6-cycle pulses shows the promise of the approach.
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