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physics.optics2023
Non-volatile optical phase shift in ferroelectric hafnium zirconium oxide
Kazuma Taki, Naoki Sekine, Kouhei Watanabe +6
A non-volatile optical phase shifter is a critical component for enabling large-scale, energy-efficient programmable photonic integrated circuits (PICs) on a silicon (Si) photonics…
physics.optics2013
Strain-induced enhancement of plasma dispersion effect and free-carrier absorption in SiGe optical modulators
Younghyun Kim, Mitsuru Takenaka, Takenori Osada +2
The plasma dispersion effect and free-carrier absorption are widely used for changing refractive index and absorption coefficient in Si-based optical modulators. However, these fre…