A theoretical model is developed to evaluate the roles of various mechanisms, including the molar polarization and molar volume, the spontaneous polarization and the photoelastic effect, for the modifications of refractive indices in ion-implanted waveguides. Based on the model, numerical calculations of refractive indices as a function of the lattice damage level in crystals of different crystalline orientations (X, Y, and Z), are performed, with results in a good agreement with experimental data. The analysis indicates that the spontaneous polarization, the molar polarization, and molar volume play important roles in determining the index profiles in ion implanted . In addition, the contribution of the strain-induced photoelastic effect has been identified for different damage levels.
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1 August 2010
Research Article|
August 04 2010
Theoretical modeling of refractive index in ion implanted waveguides
Jiao-Jian Yin;
Jiao-Jian Yin
1School of Information Science and Engineering,
Shandong University
, Jinan 250100, Shandong, People’s Republic of China
2College of Physics Science and Technology,
China University of Petroleum
, Dongying 257061, Shandong, People’s Republic of China
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Fei Lu;
Fei Lu
a)
1School of Information Science and Engineering,
Shandong University
, Jinan 250100, Shandong, People’s Republic of China
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Xian-Bing Ming;
Xian-Bing Ming
1School of Information Science and Engineering,
Shandong University
, Jinan 250100, Shandong, People’s Republic of China
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Yu-Jie Ma;
Yu-Jie Ma
1School of Information Science and Engineering,
Shandong University
, Jinan 250100, Shandong, People’s Republic of China
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Meng-bing Huang
Meng-bing Huang
3College of Nanoscale Science and Engineering,
University at Albany-SUNY
, Albany, New York 12203, USA
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a)
Electronic mail: lufei@sdu.edu.cn.
J. Appl. Phys. 108, 033105 (2010)
Article history
Received:
March 19 2010
Accepted:
June 28 2010
Citation
Jiao-Jian Yin, Fei Lu, Xian-Bing Ming, Yu-Jie Ma, Meng-bing Huang; Theoretical modeling of refractive index in ion implanted waveguides. J. Appl. Phys. 1 August 2010; 108 (3): 033105. https://doi.org/10.1063/1.3467529
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