Modeling the frequency response of vertical and lateral Ge-on-Si waveguide photodetectors: Is 3D simulation unavoidable?

Matteo Giovanni Carmelo Alasio,Marco Vallone,Alberto Tibaldi,Francesco Bertazzi,Soha Namnabat,Donald Adams,Prakash Gothoskar,Fabrizio Forghieri,Gianlorenzo Masini,Giovanni Ghione,Michele Goano

Conference on Lasers and Electro-Optics（2022）

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摘要

Using a 3D multiphysics model as a reference, we investigate the achievements and limitations of a simpler 2D drift-diffusion model to reproduce and optimize the electrooptical frequency response of vertical and lateral Ge-on-Si waveguide photodetectors.

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关键词

3d simulation,frequency response,ge-on-si

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