| Authors: | U.D. Dave, S. Uvin, B. Kuyken, S. Selvaraja, F. Leo, G. Roelkens | | Title: | Telecom to mid-infrared spanning supercontinuum generation in hydrogenated amorphous silicon waveguides using a Thulium doped fiber laser pump source | | Format: | International Journal | | Publication date: | 12/2013 | | Journal/Conference/Book: | Optics Express
| | Editor/Publisher: | OSA, | | Volume(Issue): | 21(26) p.32032-32039 | | DOI: | 10.1364/oe.21.032032 | | Citations: | 32 (Dimensions.ai - last update: 17/11/2024)
28 (OpenCitations - last update: 27/6/2024)
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Abstract
A 1000 nm wide supercontinuum, spanning from 1470 nm in
the telecom band to 2470 nm in the mid-infrared is demonstrated in a 800 nm x 220 nm 1 cm long hydrogenated amorphous silicon strip waveguide. The pump source was a picosecond Thulium doped fiber laser centered at 1950 nm. The real part of the nonlinear parameter of this waveguide at 1950 nm is measured to be 100±10 W-1 m-1, while the imaginary part of the
nonlinear parameter is measured to be 1.2±0.2 W-1 m-1. The supercontinuum is stable over a period of several hours, as the hydrogenated amorphous silicon waveguides do not degrade when exposed to the high power picosecond pulse train. Related Research Topics
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