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  • Article
  • Open Access
2,370 Views
23 Pages

Optimizing Interface Dielectric Loss in Superconducting Coplanar Waveguide Resonators for Improved Quantum Circuit Coherence

  • Omar A. Saleh,
  • Saleem G. Rao,
  • Mohammed Alghadeer,
  • Ahmed A. Omar and
  • Muhamad Felemban

Superconducting quantum computing systems, including coplanar waveguide (CPW) resonators and qubits, are highly susceptible to energy dissipation from two-level systems (TLS) within bulk and interfacial dielectrics. CPW resonators serve as an ideal p...

(This article belongs to the Section Quantum Technologies)
  • Article
  • Open Access
10 Citations
5,258 Views
9 Pages

7 June 2022

Over the past two decades, superconducting quantum circuits have become one of the essential platforms for realizing quantum computers. The Hamiltonian of a superconducting quantum circuit system is the key to describing the dynamic evolution of the...

(This article belongs to the Topic Quantum Information and Quantum Computing)
  • Article
  • Open Access
443 Views
26 Pages

This work investigates a hardware-aware, circuit-level emulation of BB84-like circuit primitives on noisy intermediate-scale quantum (NISQ) processors. The motivation is to evaluate whether BB84-like basis sifting and intercept–resend-induced Q...

(This article belongs to the Special Issue Authentication in Key-Exchange: Definitions, Relations, Composition and Post-Quantum Security)