Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 21, Issue 13, Pages 884-886Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2020058
Keywords
Chalcogenide glass fiber; four-wave mixing (FWM)
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A chalcogenide optical fiber of special design is proposed to convert a short-wavelength infrared radiation (around 2 mu m) 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 mu m 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.
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