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876 papers · 1 filter
Steady-State Noise Signatures of Lindbladian Exceptional Points
Shihang Pan, Gianmichele Blasi, Géraldine Haack
Exceptional points (EPs) are non-Hermitian degeneracies at which two or more eigenvalues and their corresponding eigenvectors coalesce. In open quantum systems, exceptional points…
Phase-correlation-free quantum key distribution source operating at gigahertz rates
Shashank Kumar, Alessandro Marcomini, Loïc Millet +8
Phase randomization is essential for the security of practical decoy-state quantum key distribution (QKD) systems. Commonly, implementations rely on laser sources which are either…
Comparison of the standard and dressed-picture master equations for the quantum Rabi model in the ultrastrong coupling regime
Alexandre P. Costa, Hebert S. Rego de Oliveira, Alexandre Dodonov
The goal of this chapter is to investigate the effects of relaxation and dephasing on the quantum Rabi model in the ultrastrong coupling regime, and to provide explicit formulas th…
High-dimensional quantum communication with scalable photonic entanglement in time and frequency
Kai-Chi Chang, Murat Can Sarihan, Nicky Kai Hong Li +13
High-dimensional photonic entanglement holds significant promise for advancing quantum communication, computation, and metrology. For example, large-alphabet quantum communication…
Quantum key distribution over a metropolitan network using an integrated photonics based prototype
Maria Ana Pereira, Giulio Gualandi, Rebecka Sax +5
An industrial-scale adoption of Quantum Key Distribution (QKD) requires the development of practical, stable, resilient and cost-effective hardware that can be manufactured at larg…
Superluminal Transformations and Indeterminism
Amrapali Sen, Flavio Del Santo
Quantum theory is widely regarded as fundamentally indeterministic, yet classical frameworks can also exhibit indeterminism once infinite information is abandoned. At the same time…