Properties of Silica Based Optical Fibers Doped With an Ultra-High Ytterbium …
Silica-based optical fibers with an ultra-high Yb concentration were systematically studied. Three the most commonly used in industry glass matrixes for active fiber core were investigated: alumino…
High-Energy Single-Frequency Core-Pumped Er-Doped Fiber Amplifiers
In this article, we studied high-energy single frequency transform-limited Er-doped amplifiers core pumped by a specially developed Yb-doped fiber laser at 980 nm and a Raman laser at 1480 nm. It w…
SBS Gain Suppression in a Passive Single-Mode Optical Fiber by the Multi-Mode…
A novel method of stimulated Brillouin scattering (SBS) gain suppression in passive single-mode optical fibers is proposed and experimentally verified. The effect is achieved due to special propaga…
Selective Excitation and Amplification of Peak-Power-Scalable Out-of-Phase Su…
We demonstrate selective excitation and coherent amplification in the multicore fiber of the out-of-phase supermode that has equal intensities but interleaved 0/π phases in the neighboring cores. …
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