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2023

66. Flux-Driven Josephson Parametric Amplifier Fabricated Using the Nb/AlOx/Nb Trilayer Process

Gahyun Choi; Bokyung Kim; Jiman Choi; Kibog Park; Yonuk Chong*; Yong-Ho Lee.

IEEE Transactions on Applied Superconductivity, 2023, 33.5 part 1.

65. High-Fidelity Multiplexed Single-Shot Readout for Transmon Qubits With High-Power Measurement

Yeo, H.; Woo, S.; Kim, J.; Kim, Y.; Choi, B.; Choi, G.; Choi, J.; Lee, S.K.; Song, W.; Chong, Y.*

IEEE Transactions on Applied Superconductivity, 2023, 33.5 part 1.

64. Observation of Kondo condensation in a degenerately doped silicon metal

Im, H.*; Lee, D.U.; Jo, Y.; Kim, J.; Chong, Y.*; Song, W.; Kim, H.; Kim, E.K.*; Yuk, T.; Sin, S.-J.* 

Nature Physics, 2023, 1-6.

2022

63. Quantum readout error mitigation via deep learning

Kim, J.; Oh, B.; Chong, Y.*; Hwang, E.*; Park, D.K.*

New Journal of Physics, 2022, 24.7: 073009.

2021

62. A 5.5mW/Channel 2-to-7 GHz Frequency Synthesizable Qubit-Controlling Cryogenic Pulse Modulator for Scalable Quantum Computers

Kang, K.; Kim, B.; Choi, G.; Lee, S.-K.; Choi, J.; Lee, J.; Kang, S.; Lee, M.; Song, H.-J.; Chong, Y.; Park, D

Digest of Technical Papers - Symposium on VLSI Technology

61. A 5.5mW/Channel 2-to-7 GHz Frequency Synthesizable Qubit-Controlling Cryogenic Pulse Modulator for Scalable Quantum Computers

Kang, K.; Kim, B.; Choi, G.; Lee, S.-K.; Choi, J.; Lee, J.; Kang, S.; Lee, M.; Song, H.-J.; Chong, Y. 

2021 Symposium on VLSI Circuits. IEEE, 2021. p. 1-2

60. First Results from an Axion Haloscope at CAPP around 10.7  μeV

Ohjoon Kwon, Doyu Lee, Woohyun Chung, Danho Ahn, HeeSu Byun, Fritz Caspers, Hyoungsoon Choi, Jihoon Choi, Yonuk Chong et. al.

Phys. Rev. Lett. 126, 191802 – Published 12 May 2021

2020

59. Observation of a Strongly Enhanced Relaxation Time of an In-situ Tunable Transmon on a Silicon Substrate up to the Purcell Limit Approaching 100 μs

Park, G.; Choi, G.*; Choi, J.; Choi, J.; Lee, S.-G.; Lee, K.-W.; Song, W.; Chong, Y.*

Journal of the Korean Physical Society, 2020, 76: 1029-1034.

2019

58. Gain characteristics of SQUID-based RF amplifiers depending on device parameters

Lee, Y.H.*; Yu, K.K.; Kim, J.M.; Lee, S.K.; Chong, Y.; Oh, S.J.; Semertzidis, Y.K.

Progress in Superconductivity and Cryogenics, 2019, 21.1: 10-14.

57. Multi-Level Capacitive Memory Effect in Metal/Oxide/Floating-Schottky Junction

Choi, G.; Yoon, H.H.; Park, K.*; Kim, J.; Jung, S.; Chong, Y.

Journal of the Korean Physical Society, 2019, 74: 979-983.

56. Simulation and Measurement of the Vacuum Rabi Coupling g in a 3D Transmon System

Son, J.; Choi, G.; Noh, T.; Choi, J.; Park, G.; Lee, J.; Kang, B.; Park, K.; Lee, K.-W.; Lee, S.-G. 

2019 IEEE International Superconductive Electronics Conference (ISEC). IEEE, 2019. p. 1-3.

2018

55. Construction of controlled-NOT gate based on microwave-activated phase (MAP) gate in two transmon system

Noh, T.; Park, G.; Lee, S.-G.; Song, W.; Chong, Y.

arXiv

54. Construction of controlled-NOT gate based on microwave-activated phase (MAP) gate in two transmon system

Noh, T.; Park, G.; Lee, S.-G.; Song, W.; Chong, Y.*

Scientific reports, 2018, 8.1: 13598

53. Correction of resonance frequency for rf amplifiers based on superconducting quantum interference device

Lee, Y.H.*; Yu, K.K.; Kim, J.M.; Lee, S.K.; Chong, Y.; Oh, S.J.; Semertzidis, Y.K.

Progress in Superconductivity and Cryogenics, 2018, 20.4: 6-10.

2017

52. A brief review on the recent progress of superconducting nanowire single photon detectors

Chong, Y.*

Progress in Superconductivity and Cryogenics, 2017, 19.4: 22-25.

51. Enhancement of heat exchange using on-chip engineered heat sinks

Chong, Y.*

Progress in Superconductivity and Cryogenics, 2017, 19.4: 18-21.

2014

50. A brief review on recent developments of superconducting microwave resonators for quantum device application

Chong, Y.*

Progress in Superconductivity and Cryogenics, 2014, 16.4: 40-43.

49. Electrical modulation of superconducting critical temperature in liquid-gated thin niobium films

Choi, J.; Pradheesh, R.; Kim, H.; Im, H.; Chong, Y.*; Chae, D.-H.*

Applied Physics Letters, 2014, 105.1: 012601.

48. Power calibration system based on Josephson sampling voltmeter

Kim, M.-S.; Kim, W.-S.; Kim, Y.G.; Chong, Y.; Kim, K.-T.; Park, P.G.

29th Conference on Precision Electromagnetic Measurements (CPEM 2014). IEEE, 2014. p. 738-739

47. Power-dependence measurement of the quality factor of superconducting microwave resonators at mK temperature

Kim, S.H.; Ha, D.-G.; Park, G.Y.; Choi, J.; Park, J.H.; Song, W.; Lee, S.G.; Im, H.; Kim, H.; Chong, Y.

29th Conference on Precision Electromagnetic Measurements (CPEM 2014). IEEE, 2014. p. 174-175.

46. Review of low-noise radio-frequency amplifiers based on superconducting quantum interference device

Lee, Y.H.*; Chong, Y.; Semertzidis, Y.K.

Progress in Superconductivity and Cryogenics, 2014, 16.4: 1-6.

2013

45. Development of high quality superconducting resonators for quantum device applications

Ha, D.-G.; Kim, S.H.; Jun, S.-Y.; Shim, S.B.; Song, W.; Park, J.H.; Choi, J.; Chong, Y.

2013 IEEE 14th International Superconductive Electronics Conference (ISEC). IEEE, 2013. p. 1-3.

44. Terahertz time-domain transmission and reflection spectroscopy of niobium

Hong, T.*; Choi, K.*; Park, B.-C.*; Ha, T.*; Sim, K.I.*; Ha, D.-G.*; Chong, Y.*; Kim, J.H.*

Progress in Superconductivity and Cryogenics, 2013, 15.1: 11-13.

2012

43. Application of a pulse-driven ac Josephson voltage standard to ac-dc difference measurement in KRISS

Chong, Y.; Kim, M.-S.; Kwon, S.-W.; Kim, W.-S.; Kim, K.-T.

2012 Conference on Precision electromagnetic Measurements. IEEE, 2012. p. 44-45.

42. Broadband shot noise measurement system at low temperature for noise thermometry using a tunnel junction

Park, J.H.; Rehman, M.; Choi, J.S.; Ryu, S.-W.; Khim, Z.G.; Song, W.; Chong, Y.*

IEEE Transactions on Instrumentation and Measurement, 2011, 61.1: 205-211.

41. Precision ac-dc difference measurements of a thermal transfer standard based on a Josephson sampling voltmeter

Kim, M.-S.; Kim, K.-T.; Kim, W.-S.; Chong, Y.; Kim, D.B.; Park, P.G.; Kwon, S.-W.

2012 Conference on Precision electromagnetic Measurements. IEEE, 2012. p. 534-535.

2011

40. Primary thermometry by the measurement of shot noise in a tunnel junction

Song, W.; Park, J.H.; Rehman, M.; Chong, Y.

2011 21st International Conference on Noise and Fluctuations. IEEE, 2011. p. 88-89.

39. Superconducting junction of a single-crystalline Au nanowire for an ideal Josephson device

Jung, M.; Noh, H.; Doh, Y.-J.; Song, W.; Chong, Y.; Choi, M.-S.; Yoo, Y.; Seo, K.; Kim, N.; Woo, B.-C.; Kim, B.*; Kim, J.*

Acs Nano, 2011, 5.3: 2271-2276.

2010

38. A pulse-driven Josephson arbitrary waveform synthesis system as a quantum AC voltage standard in KRISS

Chong, Y.; Song, W.; Choi, J.-S.; Kim, M.-S.; Kim, W.-S.; Kim, K.-T.; Park, S.I.

CPEM 2010. IEEE, 2010. p. 223-224.

37. Analog-to-digital conversion for low-frequency waveforms based on the Josephson voltage standard

Kim, M.-S.; Kim, K.-T.; Kim, W.-S.; Chong, Y.*; Kwon, S.-W.

Measurement Science and Technology, 2010, 21.11: 115102.

36. Development of a broadband shot noise measurement system at low-temperature for noise thermometry

Park, J.; Rehman, M.; Choi, J.S.; Khim, Z.G.; Ryu, S.W.; Song, W.; Chong, Y.

CPEM 2010. IEEE, 2010. p. 510-511.

35. Radio-frequency shot-noise measurement in a magnetic tunnel junction with a MgO barrier

Rehman, M.; Park, J.H.; Song, W.; Chong, Y.*; Lee, Y.-S.; Min, B.-C.; Shin, K.-H.; Ryu, S.-W.; Khim, Z.G.

Journal of the Korean Physical Society, 2010, 57.

34. Sampling measurements of low-frequency waveforms based on the Josephson voltage standard

Kim, M.-S.; Kim, K.T.; Kim, W.-S.; Chong, Y.; Kwon, S.-W.

CPEM 2010. IEEE, 2010. p. 179-180.

33. Transmission properties of cryogenic twisted pair filters

Song, W.; Rehman, M.; Chong, Y.*; Ryu, S.-W.

Journal of the Korean Physical Society, 2010, 57.6: 1490-1493.

2009

32. Sputter deposition of moSi<sub>2</sub> film as a barrier for Nb-based josephson junction

Chong, Y.*; Park, S.I.; Kim, K.-T.

IEEE transactions on applied superconductivity, 2009, 19.3: 238-241.

2008

31. A high precision calibration setup for low-current meters in the range of 10 pA to 1 fA

Kim, W.-S.; Kim, M.-S.; Kim, K.-T.; Chong, Y.; Kim, H.-J.; Kim, M.; Tauscher, H.N.

2008 Conference on Precision Electromagnetic Measurements Digest. IEEE, 2008. p. 358-359.

30. Cryogen-free operation of programmable josephson voltage standard with a closed-cycle refrigerator

Chong, Y.; Kim, M.-S.; Kim, W.-S.; Kim, K.-T.

2008 Conference on Precision Electromagnetic Measurements Digest. IEEE, 2008. p. 586-587.

29. Fabrication and photon detection experiments of Nb/Al and Ta/Al superconducting tunnel junctions

Park, J.-H.; Park, Y.-S.; Yoon, H.-S.; Lee, S.; Chong, Y.*; Lee, Y.-H.; Lee, S.-K.; Lee, J.K.; Yang, M.K.; Kim, D.-L. 

High Energy, Optical, and Infrared Detectors for Astronomy III. SPIE, 2008. p. 587-593.

28. Low leakage noise filter for direct comparison of two Josephson junction arrays in 10<sup>-10</sup> uncertainty level

Kim, K.-T.; Kim, M.-S.; Song, W.; Chong, Y.; Kim, W.-S.

2008 Conference on Precision Electromagnetic Measurements Digest. IEEE, 2008. p. 240-241.

27. Setup of shot noise measurement in a tunnel junction for noise thermometry

Song, W.; Chong, Y.; Kim, K.-T.

2008 Conference on Precision Electromagnetic Measurements Digest. IEEE, 2008. p. 138-139.

26. Stepwise waveform synthesis using a programmable Josephson junction array

Kim, M.-S.; Chong, Y.; Kim, K.-T.; Kim, W.-S.; Kwon, S.-W.

2008 Conference on Precision Electromagnetic Measurements Digest. IEEE, 2008. p. 382-383.

2007

25. Design of SNS Josephson arrays for high voltage applications

Dresselhaus, P.D.; Benz, S.P.; Burroughs, C.J.; Bergren, N.F.; Chong, Y.*

IEEE transactions on applied superconductivity, 2007, 17.2: 173-176.

24. Development of a 60 Hz power standard using SNS programmable Josephson voltage standards

Burroughs Jr., C.J.; Benz, S.P.; Dresselhaus, P.D.; Waltrip, B.C.; Nelson, T.L.; Chong, Y.*; Williams, J.M.; Henderson, D.; Patel, P.; Palafox, L. 

IEEE Transactions on Instrumentation and Measurement, 2007, 56.2: 289-294.

23. Microwave enhancement in a Josephson junction array by coupled self-generations: Investigation by simulation

Kim, K.-T.; Kim, M.-S.; Chong, Y.*

Chinese Journal of Physics, 2007, 45.2s2: 211-218.

22. Optimizing the shielding effectiveness of a shielding cabinet via FEM simulation

Kim, W.-S.; Kim, Y.B.*; Kim, M.-S.; Kim, K.-T.; Chong, Y.; Park, P.G.; Kim, Y.G.

Journal of Magnetism and Magnetic Materials, 2007, 316.2: e862-e864.

2006

21. Simulations of collective synchronization in Josephson junction arrays

Kim, K.-T.*; Kim, M.-S.; Chong, Y.; Niemeyer, J.

Applied physics letters, 2006, 88.6: 062501.

2005

20. 2.6-V high-resolution programmable Josephson voltage standard circuits using double-stacked MoSi<sub>2</sub>-barrier junctions

Chong, Y.*; Burroughs Jr., C.J.; Dresselhaus, P.D.; Hadacek, N.; Yamamori, H.; Benz, S.P.

IEEE transactions on instrumentation and measurement, 2005, 54.2: 616-619.

19. Electrical properties of Nb-Mo Si2 -Nb Josephson junctions

Chong, Y.*; Dresselhaus, P.D.; Benz, S.P.

Applied Physics Letters, 2005, 86.23: 232505.

18. Fabrication and measurement of tall stacked arrays of SNS Josephson junctions

Hadacek, N.; Dresselhaus, P.D.; Chong, Y.*; Benz, S.P.; Bonevich, J.E.

IEEE transactions on applied superconductivity, 2005, 15.2: 110-113.

17. Flexible cryo-packages for Josephson devices

Burroughs, C.J.; Benz, S.P.; Dresselhaus, P.D.; Chong, Y.*; Yamamori, H.

IEEE transactions on applied superconductivity, 2005, 15.2: 465-468.

16. Josephson junctions with nearly superconducting metal silicide barriers

Chong, Y.*; Hadacek, N.; Dresselhaus, P.D.*; Burroughs, C.J.; Baek, B.; Benz, S.P.

Applied Physics Letters, 2005, 87.22: 222511.

15. Practical high-resolution programmable josephson voltage standards using double- and triple-stacked MoSi<sub>2</sub>-barrier junctions

Chong, Y.*; Burroughs, C.J.; Dresselhaus, P.D.; Hadacek, N.; Yamamori, H.; Benz, S.P.

IEEE transactions on applied superconductivity, 2005, 15.2: 461-464.

14. Precision measurements of AC Josephson voltage standard operating margins

Burroughs, C.J.; Benz, S.P.; Dresselhaus, P.D.; Chong, Y.*

IEEE transactions on instrumentation and measurement, 2005, 54.2: 624-627.

13. Stacked Nb-MoSi<sub>2</sub>-Nb Josephson junctions for AC voltage standards

Dresselhaus, P.D.; Chong, Y.*; Benz, S.P.

IEEE transactions on applied superconductivity, 2005, 15.2: 449-452.

2003

12. Effects of interlayer electrode thickness in Nb/(MoSi<sub>2</sub>/Nb)<sub>N</sub> stacked Josephson junctions

Chong, Y.*; Dresselhaus, P.D.; Benz, S.P.; Bonevich, J.E.

Applied physics letters, 2003, 82.15: 2467-2469.

11. Stacked SNS Josephson junction arrays for quantum voltage standards

Dresselhaus, P.D.; Chong, Y.*; Plantenberg, J.H.; Benz, S.P.

IEEE transactions on applied superconductivity, 2003, 13.2: 930-933.

10. Thermal transport in stacked superconductor-normal metal-superconductor Josephson junctions

Chong, Y.*; Dresselhaus, P.D.; Benz, S.P.

Applied physics letters, 2003, 83.9: 1794-1796.

2002

9. Measurement of the superconducting gap of MgB<sub>2</sub> by point contact spectroscopy

Lee, S.*; Khim, Z.G.; Chong, Y.; Moon, S.H.; Lee, H.N.; Kim, H.G.; Oh, B.; Jip Choi, E.

Physica C: Superconductivity, 2002, 377.3: 202-207.

2000

8. Josephson Vortex Dynamics in Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> Intrinsic Josephson Junctions under High Magnetic Field

Lee, J.H.*; Chong, Y.; Lee, S.; Khim, Z.G.

Physica C: Superconductivity, 2000, 341: 1079-1080.

1999

7. First order sigma-delta modulator in HTS bicrystal technology

Ruck, B.; Chong, Y.; Dittmann, R.; Siegel, M.*

Physica C: Superconductivity, 1999, 326: 170-176.

6. High-temperature superconducting delta-sigma modulator based on a multilayer technology with bicrystal Josephson junctions

Ruck, B.*; Chong, Y.; Dittmann, R.; Engelhardt, A.; Sodtke, E.; Siegel, M.

Superconductor Science and Technology, 1999, 12.11: 701.

5. Investigation of basic elements and devices in multilayer technology for HTS digital RSFQ circuits

Ruck, B.*; Chong, Y.; Wahl, G.; Dittmann, R.; Horstmann, C.; Engelhardt, A.; Oelze, B.; Sodtke, E.

Applied superconductivity, 1999, 6.10-12: 699-704.

4. Measurement of the error rate of single flux quantum circuits with high temperature superconductors

Ruck, B.*; Chong, Y.; Dittmann, R. et al.

IEEE transactions on applied superconductivity, 1999, 9.2: 3850-3853.

1998

3. Measurement of the static error rate of a storage cell for single magnetic flux quanta, fabricated from high-T<sub>c</sub> multilayer bicrystal Josephson junctions

Chong, Y.*; Ruck, B.; Dittmann, R.; Horstmann, C.; Engelhardt, A.; Wahl, G.; Oelze, B.; Sodtke, E.

Applied physics letters, 1998, 72.12: 1513-1515.

1996

2. Magnetic field behavior of high-T<sub>c</sub> superconductor Josephson junction arrays

Chong, Y.; Lee, H.J.; Khim, Z.G.*; Moon, S.H.; Oh, B.

Journal of the Korean Physical Society, 1996, 29.1: 110.

1994

1. Flux creep effect in a ring shape YBCO film from magnetic relaxation measurements

Chun, S.H.; Moon, S.H.; Chong, Y.; Khim, Z.G.*

Physica C: Superconductivity, 1994, 235: 2919-2920.

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