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Optical Engineering

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

Paper Details

Date Published: 1 March 2008
PDF: 4 pages
Opt. Eng. 47(3) 034601 doi: 10.1117/1.2896412
Published in: Optical Engineering Volume 47, Issue 3
Show Author Affiliations
Kin-Seng Chiang, City Univ. of Hong Kong (Hong Kong China)
Sinyip Cheng, City Univ. of Hong Kong (Hong Kong China)


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