visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2023-12-14 16:00 
일시 Dec14(Thur), 4PM 
장소 CAPP Seminar Room C303, Creation Hall, KAIST Munji Campus 
연사 Dr. Yong-Ho LEE (KRISS) 

물리학과 야니스 교수 연구실/액시온 및 극한상호작용 연구단 (CAPP/IBS) 입니다.

아래 세미나에 관심 있으신 연구자들의 참석을 요청드립니다.

CAPP seminars will be held. Anyone interested in this topic is warmly welcome.

 

Speaker: Dr. Yong-Ho LEE (KRISS)

Date: December 14, 2023 (Thursday) 

Time: 4:00 PM (KST)

Venue: CAPP Seminar Room C303, Creation Hall, KAIST Munji Campus

 

https://kaist.zoom.us/j/6108068959?pwd=TXV2OGlWdVRtcGhmNXVTRWlla2pHQT09

Meeting ID: 610 806 8959

Passcode: 131015

 

Topic: Superconducting qubits for large-scale quantum computers - Status of development in Korea and global trend

 

Abstract:

 

Quantum computing is attracting much attention recently due to the possibility of superior computing capacity compared with the classical computers. Quantum computing is based on the advantage of quantum mechanical phenomena in qubits; quantization of states, superposition of the two states, and entangement between qubits. Among the possible platforms for the qubits, superconducting qubit has several advantages; fast gate operation, relatively long coherence time, high gate fidelity, best scalability of the superconducting circuits using semiconductor fabrication technology, mature and stable precision microwave and cryogenic technology, and easy-to-operate and reliable hardware. Therefore superconducting qubit is one of the most widely studied platform worldwide.

 

In the superconducting qubit, we control the two lowest energy states in the superconducting circuits, and its energy difference is equivalent to about 250 mK. Therefore we need to protect the qubits well from the environment thermal and electromagnetic interferences. And accurate and precise control of microwave pulses and quantum-limited measurement of microwave signals are needed for high-fidelity operation of the qubit system.

 

 

In the talk, I will introduce the basic concept of the superconductivity-based quantum computing, design and fabrication of superconducitng qubits, microwave control and measurement technology, and cryogenic and microwave components of the quantum computing system. And, the ongoing project for developing superconducting quantum computing system in Korea, and global trend for higher-performance quantum computing will be introduced.

 

Seminar Poster_IBS Joint Colloquium_20231214.jpg

 

번호 날짜 장소 제목
353 2022-03-31 16:00  online  (광학분야 특별세미나)Ultrafast time-resolved spectroscopy in topological materials
352 2022-03-31 10:00  E6 #1501/zoom  Weiss fields for Quantum Spin Dynamics file
351 2022-03-29 10:00  E6 #1501/zoom, E6 #2502/zoom  Non-reciprocal phase transitions file
350 2022-03-28 16:00  E6, #1501  Ultimate-density atomic semiconductor via flat bands
349 2022-03-25 11:00  E6-1 #1323  (응집물리 세미나) Hund's metallicity in ruthenate systems file
348 2022-03-21 16:00  E6, #1501  Multi-wavelength Studies on Relativistic Jets from Gamma-ray Bright Active Galactic Nuclei
347 2022-03-18 11:00  Online seminar  (응집물리 세미나) Illuminating exotic states of matter: Raman spectroscopy as an experimental tool to characterize quantum spin liquids file
346 2022-03-14 16:00  E6, #1501  Quantitative phase imaging and artificial intelligence: label-free 3D imaging, classification, and inference
345 2022-03-07 16:00  E6, #1501  Climate Physics and Modelling(우리말강의)
344 2022-02-28 16:00  E6, #1501  Spin-based training of optical microscopes
343 2022-01-26 13:00  E6 #1501  An Introduction to Cohomology groups file
342 2022-01-25 15:00  E6 #1501/online  Emulating twisted double bilayer graphene with a multiorbital optical lattice file
341 2022-01-18 14:00  KI bldg. 5th fl. Room B501 & Zoom  Data-driven interrogation of biological dynamics: from subcellular interactions to neuronal networks in vivo file
340 2022-01-17 14:00  E6-2 Room 2502  Five Lectures on Observational Probes of Dark Energy file
339 2022-01-12 11:00  Zoom and E6 #1323  Spectroscopic study of trapped ions towards probing dark matter and new physics file
338 2022-01-11 15:00  E6 #1501  Ultrafast optical studies on CDW collective modes of the Weyl-CDW (TaSe4)2I file
337 2021-12-03 16:00  Zoom webinar  Nonequilibrium Heat Transport in Elemental Metals Probed by an Ultrathin Magnetic Thermometer file
336 2021-12-03 14:30  Zoom webinar  Topological Spin Textures: Skyrmions and Beyond file
335 2021-11-02 16:00  자연과학동(E6-2) #1323  Metrology of Band Topology via Resonant Inelastic X-ray Scattering file
334 2021-07-29 14:00  Online seminar  Gravitationally Induced Dark Sector and Inflationary Dynamics file