3 papers
physics.optics2025
Integrated RGB Beam Combiner in Al2O3 Photonic Circuits with On-Chip Modulation for AR/VR Displays
Vahram Voskerchyan
Aluminum oxide is a promising material for visible-light integrated photonics due to its low optical loss and wide transparency window across the RGB spectrum. This work presents t…
physics.optics2025
Free-Space Characterization Setup for Low-loss Aluminum Oxide Waveguides at 261 nm
Vahram Voskerchyan, Dawson Bonneville, Lantian Chang +1
We present a methodology for the characterization of deep-ultraviolet (UV) photonic integrated circuits (UV-PICs) based on polycrystalline Al2O3, operating at a wavelength of 261 n…
physics.optics2024
Apodized Slanted Grating Couplers for LiDAR Applications
Vahram Voskerchyan, Francis, Tian +3
Solid state LiDAR systems traditionally rely on costly active components for efficient beam scanning. In this study, we propose a cost-effective, purely passive steering approach u…