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Integrated Al _2 O _3 :Er ^{3+} Zero-Loss Optical Amplifier and Power Splitter With 40-nm Bandwidth

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7 Author(s)
Bradley, J.D.B. ; Integrated Opt. Microsyst. group, Univ. of Twente, Enschede, Netherlands ; Stoffer, R. ; Bakker, A. ; Agazzi, L.
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A combined planar lossless optical amplifier and 1 × 2 power splitter device has been realized in Al2O3:Er3+ on silicon. Net internal gain was measured over a wavelength range of 40 nm across the complete telecom C-band (1525-1565 nm). Calculations predict net gain in a combined amplifier and 1 × 4 power splitter device over the same wavelength range for a total injected pump power as low as 30 mW.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 5 )