Simulation of refractive index profiles for titanium indiffused lithium niobate channel waveguides |
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| Authors: | P Ganguly D C Sen S Datt J C Biswas S K Lahiri |
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| Institution: |
a Microelectronics Centre Department of Electronics & Electrical Communication Engineering, Indian Institute of Technology, Kharagpur, India |
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| Abstract: | A generally applicable method to simulate the two-dimensional profiles of Ti-concentration and refractive index of Ti:LiNbO3, waveguides is presented. The influence of the fabricational parameters on the refractive index profiles has been studied in detail. The model parameters are extracted from the available experimental data. The computed values of surface refractive index change agree closely with the experimental results. The model is also extended for coupled waveguides. |
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| Keywords: | coupled waveguides refractive index profiles Ti-concentration profiles Ti:LiNbO3 waveguides |
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