3 papers
quant-ph2024
Improving the accuracy of circuit quantization using the electromagnetic properties of superconductors
Seong Hyeon Park, Gahyun Choi, Eunjong Kim +6
Recent advances in quantum information processing with superconducting qubits have fueled a growing demand for scaling and miniaturizing circuit layouts. Despite significant progre…
quant-ph2023
Characterization of Broadband Purcell Filters with Compact Footprint for Fast Multiplexed Superconducting Qubit Readout
Seong Hyeon Park, Gahyun Choi, Gyunghun Kim +6
Engineering the admittance of external environments connected to superconducting qubits is essential, as increasing the measurement speed introduces spontaneous emission loss to su…
physics.optics2023
Optical and Raman spectroscopies of 171Yb3+:Y2SiO5 hyperfine structure for application toward microwave-to-optical transducer
Hee-Jin Lim, Ga-Hyun Choi, Ki Suk Hong
This study analyzed the optical techniques for high resolution, low-noise spectroscopy of a hyperfine structure (HFS) made of ytterbium-isotope 171 ions (:$…