Supercontinuum generation from ultraviolet and visible wavelength based on the higher-order modes of photonic crystal fiber

Using an all-fiber mode selective coupler (MSC) at the visible band, here we experimentally demonstrate a generating and wavelength multiplexing scheme for the cylindrical vector (CV) and vortex beams (VBs). The proposed MSCs act as efficient mode converters to produce spectrally insensitive high-order modes (HOMs) at the wavelength ranging from 450 to 980 nm, which have broad operation bandwidth (more than 7 nm), high mode conversion efficiency (94%), and purity (98%), and low insert loss (below 0.5 dB). By adjusting the polarization state and the phase shift of linear polarization (LP)11 mode respectively, the donut-shaped CVs and circular-polarization VBs are achieved. The focused intensity distribution of the donut beam on the cross- and axial-sections is monitored by using a confocal system. The all-fiber solution of producing and multiplexing HOMs opens a new route for stimulated emission depletion microscopy applications.

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Supercontinuum generation from ultraviolet and visible wavelength based on the higher-order modes of photonic crystal fiber

Cited by 3 publications

References 18 publications

Design and study on square lattice-based photonic crystal fibre under different air holes for supercontinuum generation

Design and study on square lattice-based photonic crystal fibre under different air holes for supercontinuum generation

Analysis of photonic crystal fiber with silicon core for efficient supercontinuum generation

A mode generator and multiplexer at visible wavelength based on all-fiber mode selective coupler

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