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Conferences > IPR > 1991 > ThF > ThF5

Effective index approximation limitations study for waveguide integrated devices on InP/InGaAsP

F. J. Mustieles, F. Hernandez-Gil, E. Fernandez, and E. Ballesteros

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Abstract

The effective index approximation1 has been extensively used to calculate the modes in waveguides to design a wide variety of devices as: DBR and DFB lasers, directional couplers, filters, polarization control devices, etc. Its use in conjunction with the beam propagation method2 to analyze integrated optical devices is also very common. The effective index approximation is easy to implement and provides dramatic reductions in the required computational efforts, but its precision depends on the geometry and composition of the structures to be analyzed.

© 1991 Optical Society of America

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