2 papers
physics.optics2026
Preventing the Breakdown of Tight-Binding Waveguide Optics by Löwdin Orthogonalization
Konrad Tschernig, Florian H. Huber, Janik Wolters +1
Many advancements in optics have relied on the tight-binding approximation, which simplifies the description and prediction of complex system behaviors. This approximation describe…
quant-ph2026
Practical quantum tokens: challenges and perspectives
Nadezhda P. Kukharchyk, Holger Boche, Christian Deppe +21
The concept of quantum tokens dates back alongside quantum cryptography to Stephen Wiesner's seminal work in 1983[1]. Already this initial work proposes society-relevant applicatio…