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Packaged 1.5-$\mu$ m Quantum-Well SOA With 0.8-W Output Power and 5.5-dB Noise Figure

By: Plant, J.J.; Juodawlkis, P.W.; O'Donnell, F.J.; Jensen, K.E.; Missaggia, L.J.; Loh, W.;

2009 / IEEE

Description

This item was taken from the IEEE Periodical ' Packaged 1.5-$\mu$ m Quantum-Well SOA With 0.8-W Output Power and 5.5-dB Noise Figure ' We report the demonstration of a lensed-fiber-pigtailed InGaAsP-InP quantum-well semiconductor optical amplifier based on the slab-coupled optical waveguide (SCOW) concept. At a 5-A bias current and a wavelength of 1540 nm, the packaged SCOW amplifier (SCOWA) exhibits a record 0.8-W saturation output power, 13.8-dB small-signal gain, 5.5-dB noise figure, and a maximum electrical-to-optical conversion efficiency of 11%. The estimated coupling efficiency between the large (5.6 times 7.5 mum), fundamental SCOWA mode and the lensed fibers (6.5-mum spot size) is 90%.