Abstract

Kerr spatial solitons are observed in slab chalcogenide waveguides at near-IR wavelengths. Waveguides are realized either by electron-beam evaporation or rf sputtering of a Ge–Sb–S compound deposited on oxidized silicon wafer. The Kerr coefficient of the thin film is evaluated to be 5×1018m2W from the experimentally required soliton power at 1.5μm. Limitations due to material photosensitivity are revealed.

© 2009 Optical Society of America

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