High-speed bulk InGaAsP-InP electroabsorption modulators with bandwidth in excess of 20 GHz
- 1 October 1990
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 2 (10), 730-733
- https://doi.org/10.1109/68.60774
Abstract
Bulk InGaAsP-InP electroabsorption optical modulators with high extinction ratio, low drive voltage, and high modulation bandwidth at lambda =1.3 mu m are reported. The devices have a tapered-fiber-to-modulator-to-tapered-fiber extinction ratio greater than 20 dB at a drive voltage of <5 V. Very low capacitance modulators (<0.2 pF) were fabricated using SiO/sub 2/ bonding pad isolation, resulting in a measured electrical modulation bandwidth in excess of 20 GHz.Keywords
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