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physics.optics2026
Direct Wafer Bonding of Crystal-Ion-Sliced GaP Thin Films for Photonic Applications
Hossein Esfandiar, Emanuel Glück, Fabian Ganss +11
Gallium phosphide (GaP) is a promising material platform for integrated photonics because of its high refractive index, broad optical transparency, and strong second-order nonlinea…
physics.optics2026
Hybrid Barium Titanate Waveguide Designs For Efficient Nonlinear Frequency Conversion
Trevor G. Vrckovnik, D. Arslan, F. Eilenberger +1
Barium titanate (BaTiO) is emerging as a powerful integrated photonic material, combining strong and electro-optic nonlinearities with rapidly improving thin-film wav…
physics.optics2025
Generation of polarization-entangled Bell states in monolithic photonic waveguides by leveraging intrinsic crystal properties
Trevor G. Vrckovnik, Dennis Arslan, Falk Eilenberger +1
Advanced photonic quantum technologies -- from quantum key distribution to quantum computing -- require on-chip sources of entangled photons that are both efficient and readily sca…