Presentations

Talks & presentations

60+ invited talks, contributed talks and posters since 2015 — including KPS, APS, MRS, DPG, ICM and international seminars.

2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
2026 KPS Spring Meeting — Daejeon, 23 Apr 2026
InvitedSpectroscopic and quantum sensing approaches for spin-orbitronics
2026 KPS Spring Meeting — Daejeon, 22 Apr 2026
InvitedScanning NV magnetometry of magnetization dynamics with RF circular dichroism
Glocal Quantum Materials Control Center, POSTECH — Pohang, 16 Apr 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
First Friday Semiconductor Physics Forum, KPS — online, 4 Apr 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
SKKU Energy Science Distinguished Lecture — Suwon, 1 Apr 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
ETRI–UST Quantum Information Colloquium — Daejeon, 25 Mar 2026
Invited양자 센싱: 양자역학을 이용한 센서, 그리고 미래 산업
KISTI–UST quantum information seminar — online, 24 Mar 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
UNIST, Department of Physics — Ulsan, 11 Mar 2026
Invited결함에서 신호로: 고체결함 기반 양자센서가 여는 새로운 계측 패러다임
Metaltronics Workshop — Busan, 28 Feb 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
2026 Annual Meeting, Quantum Information Society of Korea — Seoul, 25 Feb 2026
InvitedScanning NV magnetometry with RF circular dichroism
Korea Atomic Energy Research Institute — Daejeon, 12 Feb 2026
InvitedScanning NV magnetometry with RF circular dichroism for skyrmion imaging
Optical Society of Korea (OptoWin 2026) — Busan, 6 Feb 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
2026 Love Spin seminar — online, 2 Feb 2026
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
Soongsil University, Department of Physics — Seoul, 5 Jan 2026
2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
ICAMD 2025 — Busan, 8–12 Dec 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
10th Asian Applied Physics Conference — Miyazaki, Japan, 6–7 Dec 2025
InvitedQuantum Sensing with NV Centers: From Nanoscale Magnetometry to Emerging Applications
Agency for Defense Development — Daejeon, 3 Dec 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
KMS 2025 Winter Conference — Busan, 26–28 Nov 2025
Invited양자 센싱: 양자역학을 이용한 센서, 그리고 미래 산업
Dankook University, Science Education — Seongnam, 14 Nov 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Korea Research Institute of Standards and Science — Daejeon, 11 Nov 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
2025 KPS Fall Meeting — Gwangju, 21–25 Oct 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Phenikaa International Physics Conference 2025 — Hanoi, Vietnam, 13–15 Oct 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Optics and Photonics Congress 2025 — Jeju, 6–9 Jul 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
KAIST, Department of Physics — Daejeon, 3 Jul 2025
ContributedNitrogen-vacancy scanning imaging of a room-temperature skyrmion lattice in a van der Waals ferromagnet Fe₃₋ₓGaTe₂
DPG Spring Meeting 2025 — Regensburg, Germany, 16–21 Mar 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
GIST, School of EECS — Gwangju, 25 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
GIST, Physics and Photon Science — Gwangju, 24 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
University of Ulsan, Department of Physics — Ulsan, 21 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Pukyong National University, Physics — Busan, 20 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Pusan National University, Physics — Busan, 20 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Korea Atomic Energy Research Institute — Daejeon, 18 Feb 2025
InvitedQuantum sensing with NV centers: nanoscale magnetometry
Gachon University, College of Semiconductor — Seongnam, 17 Feb 2025
2024
InvitedOptical detection of the orbital Hall effect in a light metal Ti
International Conference on Magnetism 2024 (ICM2024) — 30 Jun–5 Jul 2024
InvitedMagneto-optical detection of the orbital Hall effect in a light metal Ti
University of Cambridge, Materials Science & Metallurgy — 2 May 2024
2023
OralDirect optical detection of orbital angular momentum accumulation driven by the orbital Hall effect
Europe-Korea Conference (EKC) 2023 — Munich, Germany, 14–18 Aug 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
PGI, Forschungszentrum Jülich — Jülich, Germany, 2 Aug 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
Kyungpook National University — Daegu, 13 Jul 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
UNIST — Ulsan, 12 Jul 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
University of Ulsan — Ulsan, 11 Jul 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
APRI — Gwangju, 10 Jul 2023
InvitedDirect observation of the orbital Hall effect in a light metal Ti
GIST — Gwangju, 10 Jul 2023
PosterDirect observation of the orbital Hall effect in a light metal Ti
SCES 2023 — Songdo, 2–7 Jul 2023
ContributedOptical detection of the orbital Hall effect in a light metal Ti
DPG Spring Meeting 2023 — Dresden, 26–31 Mar 2023
2022
PosterDirect detection of the orbital Hall effect in a light metal Ti
SPICE Orbitronics — Ingelheim, Germany, 19–22 Jul 2022
ContributedOptical methodologies for detection of spin, magnon, and orbital
KMS Summer Meeting — Jeju, 25–27 May 2022
ContributedNonlinear optical Hall effect in a Weyl semimetal WTe₂
APS March Meeting — online, 14 Mar 2022
PosterCharge accumulation driven by pseudo-hydrodynamics of quasiparticles in a semimetal WTe₂ at room temperature
APS March Meeting — online, 14 Mar 2022
2021
PosterStatic and time-resolved optical detection of magnetization vectors by spin Hall effect
KMS Summer Meeting — online, 21–23 Jul 2021
OralCharge accumulation driven by fluid-like flow of quasiparticles in a semimetal WTe₂ at room temperature
MRS Fall Meeting — Boston, MA, 29 Nov–12 Dec 2021
ContributedTime-resolved optical detection of magnetization vectors driven by pulsed spin-orbit torque
MRS Fall Meeting — Boston, MA, 2021
ContributedOptical detection of static and time-resolved magnetization vectors driven by spin Hall effect
KPS Fall Meeting — online, 20–22 Oct 2021
ContributedElectrically-induced high-order optical Hall effect in a Weyl semimetal
KPS Spring Meeting — online, 21–23 Apr 2021
2015–2019
PosterTime-resolved observation of precessional motion of the magnetization vector driven by spin-orbit torque
ICAMD — Jeju, 10–13 Dec 2019
ContributedInterfacial thermal boundary resistance between WSe₂ monolayers
KPS Spring Meeting — Daejeon, 25–27 Apr 2018
ContributedUltrafast photocarrier relaxation through the topological surface state of Bi₁.₅Sb₀.₅Te₁.₇Se₁.₃
APS March Meeting — New Orleans, LA, 13–17 Mar 2017
ContributedUltrafast dynamics of photo-excited surface carriers in the bulk-insulating TI Bi₁.₅Sb₀.₅Te₁.₇Se₁.₃
KPS Fall Meeting — Gyeongju, 25–27 Oct 2017
PosterThermal transport measurement in thin films and their boundaries by TDTR
KPS Spring Meeting — Daejeon, 19–21 Apr 2017
PosterUltrafast transient-photocarrier-induced saturable absorption of the TI Bi₁.₅Sb₀.₅Te₁.₇Se₁.₃
KPS Fall Meeting — Gwangju, 19–21 Oct 2016
PosterUltrafast dynamics of bulk-to-surface carrier injection in the TI Bi₁.₅Sb₀.₅Te₁.₇Se₁.₃
KPS Spring Meeting — Daejeon, 20–22 Apr 2016
PosterThermal conductivity measurement of topological insulators using TDTR
KPS Fall Meeting — Gyeongju, 21–23 Oct 2015