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The single-mode condition for semiconductor rib waveguides with large cross section

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3 Author(s)
Pogossian, S.P. ; Inst. fur Schicht- und Ionentech., Forschungszentrum Julich GmbH, Germany ; Vescan, L. ; Vonsovici, A.

A comparison of the single-mode condition for semiconductor rib waveguides with large cross section obtained by the effective index method and the corrected formula proposed by Soref et al. [see IEEE Journal of Quantum Electronics, vol. 27, p. 1971, 1991] with experimental data is carried out. It is found that the effective index method is in a better agreement with Rickman's experimental data than the modified version. Moreover a stronger condition is proposed for single-mode design purposes

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Lightwave Technology, Journal of  (Volume:16 ,  Issue: 10 )