2 papers
physics.optics2022
Aluminum nitride waveguide beam splitters for integrated quantum photonic circuits
Hyeong-Soon Jang, Donghwa Lee, Hyungjun Heo +7
We demonstrate integrated photonic circuits for quantum devices using sputtered polycrystalline aluminum nitride (AlN) on insulator. The on-chip AlN waveguide directional couplers,…
cond-mat.mtrl-sci2014
Magnetic fluctuation from oxygen deficiency centers on the SiO surface
Nicole Adelstein, Donghwa Lee, Jonathan L. DuBois +1
The magnetic stability of oxygen deficiency centers on the surface of α-quartz is investigated with first- principles calculations to understand their role in contributing to magne…