Design of electro-absorption optical modulator incorporated with waveguide MQW AlGaSb / GaSb and symmetrical Fabry-Perrot grating cavity structure for fiber-optics communication system

Purnomo Sidi Priambodo, H. Kartaatmadja, Harry Sudibyo S., D. Hartanto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Electro-absorption optical modulator based on waveguide structure incorporated with MQW AlGaSb/GaSb and symmetrical Fabry-Perrot (FP) grating cavity structure has been designed for fiber-optics 1.55 μm communication systems. Different to the transversal modulator structure, where the Fabry-Perrot cavity is in the form of thin film layer Bragg Reflector, the modulator with waveguide structure is incorporating symmetrical Fabry-Perrot cavity with grating mirror. The advantage of waveguide modulator in comparison to the transverse structure one is the improvement on the on/off ratio and further being able easily to be integrated with semiconductor laser source and semiconductor amplifier, which are grown on top of the same GaSb substrate. This paper contributes in the development of electro-absorption waveguide modulator design software.

Original languageEnglish
Title of host publication5th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN 2008
DOIs
Publication statusPublished - 10 Sep 2008
Event5th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN 2008 - Surabaya, Indonesia
Duration: 5 May 20087 May 2008

Publication series

Name5th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN 2008

Conference

Conference5th IEEE and IFIP International Conference on Wireless and Optical Communications Networks, WOCN 2008
CountryIndonesia
CitySurabaya
Period5/05/087/05/08

Keywords

  • Electro-absorption
  • Fabry-Perrot cavity
  • Optical modulator
  • Waveguide grating
  • Waveguide MQW

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