3 citations · 8 across the 11 of their papers we have counts for
6 papers · 1 filter
Robust NbN on Si-SiGe hybrid superconducting-semiconducting microwave quantum circuit
Paniz Foshat, Samane Kalhor, Shima Poorgholam-khanjari +3
Advancing large-scale quantum computing requires superconducting circuits that combine long coherence times with compatibility with semiconductor technology. We investigate niobium…
On-chip microwave sensing of quasiparticles in tantalum superconducting circuits on silicon for scalable quantum technologies
Shima Poorgholam-Khanjari, Paniz Foshat, Mingqi Zhang +3
The performance and scalability of superconducting quantum circuits are fundamentally constrained by non-equilibrium quasiparticles, which induce microwave losses that limit resona…
Orthogonal Frequency Division Multiplexing Continuous Variable Terahertz Quantum Key Distribution
Mingqi Zhang, Kaveh Delfanazari
We propose a novel continuous-variable quantum key distribution (CVQKD) protocol that employs orthogonal frequency-division multiplexing (OFDM) in the terahertz (THz) band to enabl…
Terahertz source-on-a-chip with decade-long stability using layered superconductor elliptical microcavities
Mingqi Zhang, Shungo Nakagawa, Yuki Enomoto +8
Coherent, continuous-wave, and electrically tunable chip-scale terahertz (THz) sources are critical for emerging applications in sensing, imaging, spectroscopy, communication, spac…
Quasiparticle Dynamics in NbN Superconducting Microwave Resonators at Single Photon Regime
Paniz Foshat, Shima Poorgholam-khanjari, Valentino Seferai +7
Exchanging energy below the superconducting gap introduces quasiparticle energy distributions in superconducting quantum circuits, which will be responsible for their decoherence.…
Engineering high-Q superconducting tantalum microwave coplanar waveguide resonators for compact coherent quantum circuits
Shima Poorgholam-Khanjari, Valentino Seferai, Paniz Foshat +5
Tantalum (Ta) has recently received considerable attention in manufacturing robust superconducting quantum circuits. Ta offers low microwave loss, high kinetic inductance compared…