Packaged 1.5- \mu m Quantum-Well SOA With 0.8-W Output Power and 5.5-dB Noise Figure
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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%.
Date issued
2009-08Department
Lincoln Laboratory; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer ScienceJournal
IEEE Photonics Technology Letters
Publisher
Institute of Electrical and Electronics Engineers
Citation
Juodawlkis, P.W. et al. “Packaged 1.5- \mu m Quantum-Well SOA With 0.8-W Output Power and 5.5-dB Noise Figure.” Photonics Technology Letters, IEEE 21.17 (2009): 1208-1210. © 2009 IEEE
Version: Final published version
ISSN
1041-1135
Keywords
semiconductor optical amplifiers (SOAs), quantum-well (QW) devices, power amplifiers, optical waveguides, Noise figure (NF)