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SUMMARY:Towards Quantum Computing Devices based on High-Tc Superconductor 
 and Topological Insulator
DTSTART:20260714T070000Z
DTEND:20260714T083000Z
DTSTAMP:20260727T171900Z
UID:indico-event-1373@indico.ibs.re.kr
DESCRIPTION:Speakers: Jonghyun Song (Chungnam National University)\n\nHigh
 -temperature superconductors (HTSs) offer a promising platform for realizi
 ng quantum devices operating at elevated temperatures\, while topological 
 insulators (TIs) provide robust spin-momentum-locked surface states capabl
 e of hosting unconventional superconductivity through the proximity effect
 . In this work\, we conduct foundational research toward quantum computing
  devices based on HTS/TI hybrid structures by developing and evaluating va
 rious Josephson junction architectures. To identify reliable junction plat
 forms\, we investigate bicrystal grain-boundary Josephson junctions and la
 teral Josephson junctions fabricated using advanced microfabrication techn
 iques. Particular attention is devoted to interface engineering\, Josephso
 n transport\, current-phase relations\, and the influence of the d-wave pa
 iring symmetry of HTSs on junction characteristics. These studies establis
 h key fabrication technologies and design principles for integrating topol
 ogical insulators with high-Tc superconductors. The ultimate goal is to es
 tablish high-quality HTS/TI Josephson junctions capable of inducing topolo
 gical superconductivity and providing a scalable platform for fault-tolera
 nt quantum computing based on topological qubits. The resulting framework 
 lays the technological foundation for realizing robust high-temperature su
 perconducting quantum devices and next generation quantum computing archit
 ectures.\n\nhttps://indico.ibs.re.kr/event/1373/
LOCATION:C101 (Changjo-gwan\, KAIST (Munji Campus))
URL:https://indico.ibs.re.kr/event/1373/
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