Monolithically integrated semiconductor optical amplifier and electroabsorption modulator with dual-waveguide spot-size converter input

We have demonstrated a semiconductor optical amplifier and electroabsorption modulator monolithically integrated with a novel dual-waveguide spot-size converter at the input for low-loss coupling to planar lightguide circuit silica waveguides or cleaved single-mode optical fiber. These devices exhib...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2000-01, Vol.6 (1), p.19-25
Main Authors: Johnson, J.E., Ketelsen, L.J.-P., Grenko, J.A., Sputz, S.K., Vandenberg, J., Focht, M.W., Stampone, D.V., Peticolas, L.J., Smith, L.E., Glogovsky, K.G., Przybylek, G.J., Chu, S.N.G., Lentz, J.L., Tzafaras, N.N., Luther, L.C., Pernell, T.L., Walters, F.S., Romero, D.M., Freund, J.M., Reynolds, C.L., Gruezke, L.A., People, R., Alam, M.A.
Format: Article
Language:English
Subjects:
Amplification
Converters
Coupling circuits
Devices
Direct current
Electroabsorption modulators
Modulation
Noise levels
Optical coupling
Optical fiber devices
Optical fibers
Optical planar waveguides
Optical waveguides
Planar waveguides
Semiconductor optical amplifiers
Semiconductor waveguides
Silicon compounds
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Summary:We have demonstrated a semiconductor optical amplifier and electroabsorption modulator monolithically integrated with a novel dual-waveguide spot-size converter at the input for low-loss coupling to planar lightguide circuit silica waveguides or cleaved single-mode optical fiber. These devices exhibit greater than 10 dB fiber-to-fiber gain, output power of +4 dBm, 3-dB modulation bandwidth of 6 GHz, and modulator extinction ratios of 20 dB dc and 14.4 dB RF for a 2.4-V/sub pp/ drive.
ISSN:1077-260X
1558-4542
DOI:10.1109/2944.826868