Pockels coefficient enhancement by phonon mode softening on strain engineering in Sputtered PZT-on-Si electro-optic modulator

Suraj; Shankar Kumar Selvaraja

doi:10.1364/FIO.2023.JM7A.15

Frontiers in Optics + Laser Science 2023 (FiO, LS)
Technical Digest Series (Optica Publishing Group, 2023),
paper JM7A.15
•https://doi.org/10.1364/FIO.2023.JM7A.15

Pockels coefficient enhancement by phonon mode softening on strain engineering in Sputtered PZT-on-Si electro-optic modulator

Suraj and Shankar Kumar Selvaraja

Frontiers in Optics 2023

Tacoma, Washington United States
9–12 October 2023
ISBN: 978-1-957171-29-6

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Suraj and S. K. Selvaraja, "Pockels coefficient enhancement by phonon mode softening on strain engineering in Sputtered PZT-on-Si electro-optic modulator," in Frontiers in Optics + Laser Science 2023 (FiO, LS), Technical Digest Series (Optica Publishing Group, 2023), paper JM7A.15.

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Abstract

We demonstrate phonon mode softening with 300% increase in Pockels coefficient using strain-engineered PZT loaded Silicon MZI having Pt buffer layer. It is corroborated by 400% increase in EO tensor using DFT simulations.

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