Technique of applying the prism-coupler method for accurate measurement of the effective indices of channel waveguides

Kin-Seng Chiang; Sinyip Cheng

doi:10.1117/1.2896412

1 March 2008 Technique of applying the prism-coupler method for accurate measurement of the effective indices of channel waveguides

Kin-Seng Chiang, Sinyip Cheng

Author Affiliations +

Optical Engineering, Vol. 47, Issue 3, 034601 (March 2008). https://doi.org/10.1117/1.2896412

Abstract

We propose a technique of applying the prism-coupler method for accurate measurement of the effective indices of channel waveguides, which can have step- or graded-index profiles. The technique involves coupling light from a prism into an array of waveguides, varying the angle between the prism axis and the array axis, and curve fitting of the measurement data. We demonstrate the technique with arrays of polymer waveguides and ion-exchanged glass waveguides.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Kin-Seng Chiang and Sinyip Cheng "Technique of applying the prism-coupler method for accurate measurement of the effective indices of channel waveguides," Optical Engineering 47(3), 034601 (1 March 2008). https://doi.org/10.1117/1.2896412

Published: 1 March 2008

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