activity
20202026
most citedFast multiplexed superconducting qubit readout with intrinsic Purcell filtering

25 citations · 51 across the 15 of their papers we have counts for

collaborators

16 papers

hep-ex2026

Extended High-Mass Axion Search with an Auxetically Tuned Higher-Order-Mode Cavity

Jinsu Kim, Sungjae Bae, Junu Jeong +9

Conventional high-mass axion haloscopes based on the TM mode lose detection volume as the resonant frequency increases. We report an extended axion search using a dielectri…

hep-ex2026

Search for Axion Dark Matter around \texorpdfstring{}{15.6 microeV} with a Broadly Tunable High-Temperature Superconducting Cavity

Jiwon Lee, Jinsu Kim, Ohjoon Kwon +9

We report an axion dark matter search in the mass range of using a broadly tunable high-temperature superconducting (HTS) haloscope. By soldering…

hep-ex2026

Multi-tesla operation of high-temperature superconducting cavities for accelerated axion dark matter searches

Danho Ahn, Jinsu Kim, Seongtae Park +10

Axion haloscopes use radio-frequency cavities immersed in a magnetic field to search for dark-matter axions, which could resolve two central puzzles in fundamental physics: the str…

hep-ex2026

Extended Haloscope Search and Exclusion of a Candidate Signal near 1.036 GHz

Saebyeok Ahn, Boris I. Ivanov, Ohjoon Kwon +33

We report a follow-up axion haloscope search near 1.036 GHz that completes and extends our previous work [Phys. Rev. X 14, 031023 (2024)], in which a portion of the HEMT-based data…

hep-ex2025★ 1 cited

Search for high-frequency gravitational waves via re-analysis of cavity axion data

Younggeun Kim, Jordan Gué, Changhao Xu +17

Monochromatic high-frequency gravitational waves (HFGW) provide a distinctive probe of new physics scenarios, most notably axion clouds around rotating black holes formed via super…

hep-ex2025

Probing KSVZ Axion Dark Matter near 5.9 GHz Using a 8-Cell Cavity Haloscope

Saebyeok Ahn, Caglar Kutlu, Soohyung Lee +9

We report on a search for axion dark matter in the frequency range near 5.9 GHz, conducted using the haloscope technique. The experiment employed an 8-cell microwave resonator desi…

hep-ex2025

Axion Dark Matter Search with Near-KSVZ Sensitivity Using the TM Mode

Sungjae Bae, Junu Jeong, Younggeun Kim +9

Dark matter remains one of the most profound mysteries in modern physics, with axions, a hypothetical particle proposed to resolve the strong CP problem, standing as a compelling c…

quant-ph2025

Broadband Kinetic-Inductance Parametric Amplifiers with Impedance Engineering

Chih-Chiao Hung, Hiroki Kutsuma, Chung Wai Sandbo Chang +2

Broadband quantum-limited parametric amplifiers (PAs) are essential components in quantum information science and technology. Impedance-engineered resonator-based PAs and traveling…

physics.app-ph2025★ 8 cited

Josephson traveling-wave parametric amplifier based on low-intrinsic-loss coplanar lumped-element waveguide

C. W. Sandbo Chang, Arjan F. Van Loo, Chih-Chiao Hung +4

We present a Josephson traveling-wave parametric amplifier (JTWPA) based on a low-loss coplanar lumped-element waveguide architecture. By employing open-stub capacitors and Manhatt…

quant-ph2024★ 25 cited

Fast multiplexed superconducting qubit readout with intrinsic Purcell filtering

Peter A. Spring, Luka Milanovic, Yoshiki Sunada +4

Fast and accurate qubit measurement remains a critical challenge on the path to fault-tolerant quantum computing. In superconducting quantum circuits, fast qubit measurement has be…

hep-ex2024

Josephson Parametric Amplifier based Quantum Noise Limited Amplifier Development for Axion Search Experiments in CAPP

Sergey V. Uchaikin, Jinmyeong Kim, Caglar Kutlu +8

This paper provides a comprehensive overview of the development of flux-driven Josephson Parametric Amplifiers (JPAs) as Quantum Noise Limited Amplifier for axion search experiment…

physics.ins-det2024★ 2 cited

Parameter optimization of Josephson parametric amplifiers using a heuristic search algorithm for axion haloscope search

Younggeun Kim, Junu Jeong, SungWoo Youn +5

The cavity haloscope is among the most widely adopted experimental platforms designed to detect dark matter axions with its principle relying on the conversion of axions into micro…

hep-ex2024★ 2 cited

Extensive search for axion dark matter over 1\,GHz with CAPP's Main Axion eXperiment

Saebyeok Ahn, JinMyeong Kim, Boris I. Ivanov +33

We report an extensive high-sensitivity search for axion dark matter above 1\,GHz at the Center for Axion and Precision Physics Research (CAPP). The cavity resonant search, exploit…

hep-ex2023

Experimental search for invisible dark matter axions around 22 μeV

Younggeun Kim, Junu Jeong, SungWoo Youn +9

The axion has emerged as the most attractive solution to two fundamental questions in modern physics related to the charge-parity invariance in strong interactions and the invisibl…

quant-ph2023★ 13 cited

Demonstration of microwave single-shot quantum key distribution

F. Fesquet, F. Kronowetter, M. Renger +7

Security of modern classical data encryption often relies on computationally hard problems, which can be trivialized with the advent of quantum computers. A potential remedy for th…

quant-ph2020

Time molecules with periodically driven interacting qubits

K. V. Shulga, I. Vakulchyk, Y. Nakamura +2

We provide numerical evidence for a temporal quantum-mechanical interference phenomenon: time molecules (TM). A variety of such stroboscopic states are observed in the dynamics of…