The Gaussian index profile of a diffused optical waveguide is approximated by an appropriate polynomial, and the asymptotic solutions of the mode efficient index is derived in a analytical form.
本文用适当的多项式函数近似扩散光波导的高斯折射率分布函数，推导了导模有效折射率的解析形式渐近解。
The waveguide modulator is made by depositing Aluminium as electrodes on the Ti-diffused LiNbO3 planar optical waveguide which is fabricated by ourselves.
光波导调制器是在自制的钛扩散铌酸埋平面光波导上蒸镀铝电极制成的。
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