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Chalcogenide As _{2} S _{3} Suspended Core Fiber for Mid-IR Wavelength Conversion Based on Degenerate Four-Wave Mixing

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2 Author(s)
Szpulak, M. ; Inst. of Phys., Wroclaw Univ. of Technol., Wroclaw ; Fevrier, S.

A chalcogenide optical fiber of special design is proposed to convert a short-wavelength infrared radiation (around 2 mum) up to a second transparency window of atmospheric air (around 4.5 mu m) by degenerate four-wave mixing. The fiber supports a small core surrounded by three large air holes. The zero-dispersion wavelength is shifted down to 2 mum in this fiber by properly tailoring the fiber core. We demonstrate by solving the nonlinear Schrodinger equation that efficient wavelength-conversion can be obtained by pumping the fiber with a Tm:SiO2 pulsed fiber laser.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 13 )