Simulation of silicon ridge waveguide enhanced two-photon absorption from femtosecond pulses

Fuente: arXiv
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Autores principales: Warner, Cael, Zhang, Ruoheng
Formato: Preprint
Publicado: 2025
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author Warner, Cael
Zhang, Ruoheng
author_facet Warner, Cael
Zhang, Ruoheng
contents Field enhancement of two-photon absorption from a 50-fs pulse on a silicon ridge waveguide is simulated for a varying energy downward propagating 800+/-9.42 nm wavelength plane-wave orthonormal to a waveguide in 2D FDTD using ANSYS Lumerical FDTD. Energy absorbed by the waveguide is enhanced due to mode confinement within the standard 500 nm width, 130 nm height silicon ridge waveguide on 90 nm thick silicon and 3 μm silicon dioxide insulator.
format Preprint
id arxiv_https___arxiv_org_abs_2506_18098
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Simulation of silicon ridge waveguide enhanced two-photon absorption from femtosecond pulses
Warner, Cael
Zhang, Ruoheng
Optics
Field enhancement of two-photon absorption from a 50-fs pulse on a silicon ridge waveguide is simulated for a varying energy downward propagating 800+/-9.42 nm wavelength plane-wave orthonormal to a waveguide in 2D FDTD using ANSYS Lumerical FDTD. Energy absorbed by the waveguide is enhanced due to mode confinement within the standard 500 nm width, 130 nm height silicon ridge waveguide on 90 nm thick silicon and 3 μm silicon dioxide insulator.
title Simulation of silicon ridge waveguide enhanced two-photon absorption from femtosecond pulses
topic Optics
url https://arxiv.org/abs/2506.18098