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.
| Original language | English |
|---|---|
| Article number | 34601 |
| Journal | Optical Engineering |
| Volume | 47 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2008 |
Research Keywords
- graded-index waveguides
- ion-exchanged waveguides
- optical channel waveguides
- optical measurement
- optical waveguide characterization
- thin-film waveguides
Publisher's Copyright Statement
- COPYRIGHT TERMS OF DEPOSITED FINAL PUBLISHED VERSION FILE: Copyright © 2008 Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited. 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.
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