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Low-power all-optical broad-band switching device using ytterbium-doped fiber

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4 Author(s)
Elango, P. ; Australian Photonics Coop. Res. Centre, New South Wales Univ., Sydney, NSW, Australia ; Arkwright, J.W. ; Chu, P.L. ; Atkins, G.R.

All-optical photonic switching has been demonstrated at 1310 nm and 1545 nm using an all-fiber Mach-Zehnder interferometer incorporating ytterbium-doped silica fiber. The switching was achieved with 980 nm excitation from a laser diode, with a power-length product of 3.7 mW/spl middot/m and 5.8 mW/spl middot/m at 1310 nm and 1545 mm respectively, thus giving low power all-optical switching at the preferred telecommunications wavelengths.

Published in:

Photonics Technology Letters, IEEE  (Volume:8 ,  Issue: 8 )