Refractive-Index Profiling of Graded-Index Planar Waveguides from Effective Indexes Measured with Different External Refractive Indexes
Journal of Lightwave Technology, Vol. 18, Issue 10, pp. 1412- (2000)
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Abstract
We extend the well-known inverse Wentzel-Kramer-Brillouin (WKB) method for refractive-index profiling of graded-index planar waveguides. We demonstrate, with numerical examples and experimental results, that the refractive-index profile of a graded-index planar waveguide can be calculated from effective indexes measured with different external refractive indexes. With this technique, single-mode and two-mode waveguides can be profiled easily to a good accuracy.
[IEEE ]
Citation
Kin Seng Chiang, Chi Lai Wong, Sin Yip Cheng, and Hau Ping Chan, "Refractive-Index Profiling of Graded-Index Planar Waveguides from Effective Indexes Measured with Different External Refractive Indexes," J. Lightwave Technol. 18, 1412- (2000)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-18-10-1412
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