3 papers
quant-ph2026
Characterization and Comparison of Energy Relaxation in Fluxonium Qubits
Kate Azar, Lamia Ateshian, Mallika T. Randeria +19
Fluxonium superconducting qubits have demonstrated long coherence times and high single- and two-qubit gate fidelities, making them a favorable building block for superconducting q…
quant-ph2025
Improving Transmon Qubit Performance with Fluorine-based Surface Treatments
Michael A. Gingras, Bethany M. Niedzielski, Kevin A. Grossklaus +21
Reducing materials and processing-induced decoherence is critical to the development of utility-scale quantum processors based on superconducting qubits. Here we report on the impa…
physics.optics2025
Strong Long-Wave Infrared Optical Response in a Topological Semiconductor with a Mexican Hat Band Structure
Mark J. Polking, Haowei Xu, Raman Sankar +2
Light sources and photodetectors operating in the far- to mid-infrared (FIR/MIR) band (-, -) remain relatively poorly developed compared to their c…