3 papers
quant-ph2026
Spatially Adaptive Detection for Satellite-based QKD under Atmospheric Turbulence Channel
Yaoxuan Yang, Ivi Afxenti, Majid Safari
Quantum key distribution (QKD) provides information-theoretic security and satellite-based quantum key distribution (SatQKD) has demonstrated the potential to extend this communica…
quant-ph2025
Quantum-enhanced second harmonic generation beyond the photon pairs regime
Thomas Dickinson, Ivi Afxenti, Giedre Astrauskaite +8
Two-photon processes are crucial in applications like microscopy and microfabrication, but their low cross-section requires intense illumination and limits, e.g., the penetration d…
physics.optics2024
Polarization Purity and Dispersion Characteristics of Nested Antiresonant Nodeless Hollow-Core Optical Fiber at Near- and Short-wave-IR Wavelengths for Quantum Communications
Ivi Afxenti, Lijun Yu, Taylor Shields +5
Advancements in quantum communication and sensing require improved optical transmission that ensures excellent state purity and reduced losses. While free-space optical communicati…