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physics.optics2025
Ultralow-VπL Silicon Electro-Optic Directional Coupler Switch with a Liquid Crystal Cladding
Li-Yuan Chiang, Chun-Ta Wang, Steve Pappert +1
An ultralow-VπL photonic switch device is demonstrated utilizing the high optical and electrical field confinement in silicon slot waveguides coupled with the strong electro-optic…
physics.optics2022
Efficient thermo-optic micro-ring phase shifter made of PECVD silicon-rich amorphous silicon carbide
Li-Yang Sunny Chang, Steve Pappert, Paul K. L. Yu
In this work, the thermo-optic coefficient (TOC) of the silicon-rich amorphous silicon carbide (a-SiC) thin film deposited by plasma-enhanced chemical vapor deposition is character…