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A new functionality of air-holes, worked as prevention for micro-deformation induced loss without affecting other properties, is demonstrated. A fiber with Aeff of 150μm 2 was fabricated by utilizing ...
An all-solid LMA Bragg fibre (mode area exceeding 1100μm 2 ) is presented for mid-infrared applications, based on a new design strategy that induces large differential loss between fundamental and hig...
We investigate a novel design for high-power large-mode-area leakage channel fibers(LCFs) with a single octagonal dual-diameter air-hole ring encircling a nine-cell pure-silica core,having a tenfold d...
A method for the real-time monitoring of the modal content of a monolithic LMA fiber laser is reported for the first time. It allows for the direct observation of the dynamics of transversal mode comp...
A novel technique to suppress the higher-order mode in a bent large-mode-area triple-cladding fiber is experimentally presented. 3-dB suppression of LP 02 mode is observed on a fabricated triple-cladd...
A novel technique to suppress the higher-order mode in bent LMA triple-cladding fibers is proposed. It is shown that the higher-order mode can be coupled to a cladding mode with only an adjustment of ...
We report on a new fiber design: an ytterbium-doped single-mode all-solid photonic bandgap fiber with a MFD of 18 micrometers. This fiber design has the potential for scaling to larger MFD.
Phase-sensitive Optical Low Coherence Reflectometry technique is used to characterize the modes couplings induced by micro-bends in a Large-Mode-Area Bragg fiber made with PCVD. Single-point and multi...
We characterize higher-order-mode content in large-mode-area fibres using spatially and spectrally resolved mode imaging. The technique is capable of distinguishing between discrete and distributed sc...
We study the effect of bends on the transmission window of the first PCVD large-mode-area Bragg fibre. The origin and the consequences of this effect are also presented.

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