13 December 2001 Linewidth enhancement factor of the electroabsorption modulator
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In this paper, we present a calculation of the linewidth enhancement factor for the electro absorption modulator. A model of the quantum confined stark effect (QCSE) is described. The absorption coefficient at different field is calculated. Through the well known Kramers-Kronig relationship, the induced refractive index change has been determined. The calculated linewidth enhancement factor ((alpha) -factor) varies with the applied electric field. This variation is in the 0.1 to 0.3 range.
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Guanghao Zhu, Guanghao Zhu, Niloy K. Dutta, Niloy K. Dutta, } "Linewidth enhancement factor of the electroabsorption modulator", Proc. SPIE 4455, Micro- and Nano-optics for Optical Interconnection and Information Processing, (13 December 2001); doi: 10.1117/12.450425; https://doi.org/10.1117/12.450425

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