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Proceedings Paper

Integrated tunable laser with mode-selection modulator
Author(s): Alan Hsu; Wei-Chiao W. Fang; Shun-Lien Chuang; Tawee Tanbun-Ek; Clyde G. Bethea; Roosevelt People
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Paper Abstract

We theoretically and experimentally investigate a recently proposed integrated tunable laser which consists of a curved waveguide distributed-feedback (DFB) laser and a passive electroabsorption (EA) modulator-separated by an isolation section. The modulator provides wavelength selectivity in the integrated device. The facet at the laser side is anti- reflection (AR) coated to enhance the light output power, and the EA side facet is high-reflection (HR) coated to increase the coupling between the two sections. We have developed a transfer-matrix model based on the coupled-mode theory which takes into account the curved waveguide and above-threshold spatial hole burning effects. Using this model, we study the wavelength tuning behavior of the integrated device when a voltage bias is applied to the modulator section.

Paper Details

Date Published: 22 December 1997
PDF: 9 pages
Proc. SPIE 3290, Optoelectronic Integrated Circuits II, (22 December 1997); doi: 10.1117/12.298242
Show Author Affiliations
Alan Hsu, Univ. of Illinois/Urbana-Champaign (United States)
Wei-Chiao W. Fang, Univ. of Illinois/Urbana-Champaign (United States)
Shun-Lien Chuang, Univ. of Illinois/Urbana-Champaign (United States)
Tawee Tanbun-Ek, Lucent Technologies/Bell Labs. (United States)
Clyde G. Bethea, Lucent Technologies/Bell Labs. (United States)
Roosevelt People, Lucent Technologies/Bell Labs. (United States)


Published in SPIE Proceedings Vol. 3290:
Optoelectronic Integrated Circuits II
Shih-Yuan Wang; Yoon-Soo Park, Editor(s)

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