Integrated tunable laser with mode-selection modulator

Alan Hsu; Wei-Chiao W. Fang; Shun-Lien Chuang; Tawee Tanbun-Ek; Clyde G. Bethea; Roosevelt People

doi:10.1117/12.298242

22 December 1997 Integrated tunable laser with mode-selection modulator

Alan Hsu, Wei-Chiao W. Fang, Shun-Lien Chuang, Tawee Tanbun-Ek, Clyde G. Bethea, Roosevelt People

Proceedings Volume 3290, Optoelectronic Integrated Circuits II; (1997) https://doi.org/10.1117/12.298242
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

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.

Citation Download Citation

Alan Hsu, Wei-Chiao W. Fang, Shun-Lien Chuang, Tawee Tanbun-Ek, Clyde G. Bethea, and Roosevelt People "Integrated tunable laser with mode-selection modulator", Proc. SPIE 3290, Optoelectronic Integrated Circuits II, (22 December 1997); https://doi.org/10.1117/12.298242

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