LI Chen, LIAO Jin-kun, JIANG Ya-dong, LI Wei, LU Rong-guo, HAN Li-kun, GAO Yu. Taylor series expansion method for TM mode of polymer waveguide M-Z modulator[J]. Journal of Applied Optics, 2008, 29(2): 313-316.
Citation: LI Chen, LIAO Jin-kun, JIANG Ya-dong, LI Wei, LU Rong-guo, HAN Li-kun, GAO Yu. Taylor series expansion method for TM mode of polymer waveguide M-Z modulator[J]. Journal of Applied Optics, 2008, 29(2): 313-316.
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Taylor series expansion method for TM mode of polymer waveguide M-Z modulator

  • School of Optoelectronic Information,UESTC,Chengdu 610054,China

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    LI Chen

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  • Mach-Zehnder waveguide is an important part in integrated optics. The transverse distribution of refractive index of polymeric ridge waveguide was calculated with the effective index method (EIM) and 3-D propagation was converted into 2-D propagation according to the structural characteristics of the polymeric ridge waveguide. Based on paraaxial scalar equation, using CrankNicholson scheme, the basic calculation scheme of Taylor series expansion method was obtained and optimized. By simulating the TM mode of a real Mach-Zehnder waveguide, the influence of various parameters on the loss was analyzed. The results show that this method is accurate, stable and easy to program.
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