Supercontinuum generation in the normal dispersion regime using chalcogenide double-clad fiber
Applied Physics Express, 2017•iopscience.iop.org
We experimentally demonstrate mid-infrared (MIR) supercontinuum (SC) generation in a 2.8-
cm-long chalcogenide double-clad fiber (Ch-DCF). The Ch-DCF made of As 2 Se 3, AsSe 2,
and As 2 S 5 glasses has near-zero chromatic dispersion in the normal dispersion regime.
We pump the Ch-DCF using a 200 fs pulse laser at 10 µm, and obtain MIR SC extending
from 2 to 14 µm. Numerical results show that the Ch-DCF has the potential of generating a
highly coherent MIR SC light source.
cm-long chalcogenide double-clad fiber (Ch-DCF). The Ch-DCF made of As 2 Se 3, AsSe 2,
and As 2 S 5 glasses has near-zero chromatic dispersion in the normal dispersion regime.
We pump the Ch-DCF using a 200 fs pulse laser at 10 µm, and obtain MIR SC extending
from 2 to 14 µm. Numerical results show that the Ch-DCF has the potential of generating a
highly coherent MIR SC light source.
Abstract
We experimentally demonstrate mid-infrared (MIR) supercontinuum (SC) generation in a 2.8-cm-long chalcogenide double-clad fiber (Ch-DCF). The Ch-DCF made of As 2 Se 3, AsSe 2, and As 2 S 5 glasses has near-zero chromatic dispersion in the normal dispersion regime. We pump the Ch-DCF using a 200 fs pulse laser at 10 µm, and obtain MIR SC extending from 2 to 14 µm. Numerical results show that the Ch-DCF has the potential of generating a highly coherent MIR SC light source.
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