Three-Dimensional Beam Propagation Analysis of Quasi-Phase Matched Second Harmonic Generation Devices with Triangular and Semi-Circular Domain Inversion Profiles(Special lssue on Recent Developments in Guided-Wave Problems)

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概要

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• A three-dimensional beam propagation method based on a finite element scheme is described for the analysis of second harmonic generation devices. For the wide-angle beam propagation analysis, the Pade approximation is applied to the differential operator along the propagation direction. In order to avoid spurious reflection from the computational windows edges, the transparent boundary condition is introduced. Numerical results are shown for quasi-phase matched second harmonic generation devices using periodically domain-inverted LiNbO_3 and LiTaO_3 waveguides. The influences of the shape of domaininverted regions and the inversion width on the conversion efficiencies are investigated in detail.

• 社団法人電子情報通信学会の論文
• 2000-05-25

著者

• Yasui T

  Hokkaido Univ. Sapporo Jpn

• Takashi YASUI

  Division of Electronics and Information Engineering, Hokkaido University

• Masanori KOSHIBA

  Division of Electronics and Information Engineering, Hokkaido University

関連論文

• Three-Dimensional Beam Propagation Analysis of Quasi-Phase Matched Second Harmonic Generation Devices with Triangular and Semi-Circular Domain Inversion Profiles(Special lssue on Recent Developments in Guided-Wave Problems)

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