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Welcome!
Welcome!
We are investigating low-dimensional quantum materials/devices using advanced optical/electrical techniques.
We are investigating low-dimensional quantum materials/devices using advanced optical/electrical techniques.
Research Interests
Research Interests
Two-dimensional quantum materials (quantum emitter, magnetism, etc.)
Optical/electrical investigation of atomically thin crystals
Raman spectroscopy of protein
Development of new optical characterization methods
Open Positions
Open Positions
양자대학원 사업과 연계하여 학부인턴 및 대학원생을 모집합니다. (양자센터홈페이지)
아래의 연구 주제에 관심 있는 분은 많은 연락바랍니다. (jaeunglee@ajou.ac.kr )
이차원 물질 기반 양자 광원 생성 및 제어 연구
양자광 생성을 위한 고체 물질의 비선형 광학 특성 연구
비틀린 이차원 물질 기반 양자 메모리 연구
나노 광학 구조 결합 단백질의 라만 분광 특성 연구
이차원 반도체 기반 응용 광학 소자 연구
News
News
2025.07 Joint group BBQ @Taughannock falls with Prof. Yu Zhong group at Cornell! Thanks for hosting such a nice party!
2025.06 Seungman's collabrative paper Unveiling Hidden Charge Traps in SrTiO3: TiSr Antisite Defects with Prof. Hyungwoo Lee is accepted for publication in Journal of Physics and Chemistry in Solids. Congratulation!
2025.04 We attended the 2025 KPS Spring meeting in Daejeon. We presented 5 oral and 1 poster presentations. Jun Won and Seungman were awarded for best oral presentation!
Title: Optical Properties Engineering of van der Waals Multi Heterostructures
Title: Enhanced Second-Order Nonlinear Susceptibility in One-Dimensional WS₂ Nanoscroll Structures
2025.03 We attended the 2025 APS Physics Global Summit in LA. We gave 3 oral presetations.
2025.01 Jae-Ung will be spending one year at Cornell University for his sabbatical.
2024.12 We attended the 2024 MRS Fall meeting in Boston. We presented 2 posters.
2024.10 Taesung Ko (고태성) joined our group. Welcome!
2024.10 We attended the 2024 KPS Fall meeting in Yeosu. We presented 1 oral and 4 poster presentations.
Photo from 2024 KPS Fall
2024.06 Lab dinner @ Gwanggyo.
2024.08 Our new review paper "Hyperspectral Microscopy of Atomically Thin Materials" is published in Current Applied Physics. Congrat!
2024.06 We attended the 11th Korean Symposium on Graphene and 2D Materials in Busan. We presented 4 posters.
2024.06 Seungjae and Tae Wan's paper "Large-scale Analysis of Defects in Atomically Thin Semiconductors using Hyperspectral Line Imaging" is accepted in Small. Congratulation!
2024.05 Our Basic Research Lab (Extreme Nonlinear Optics Basic Research Lab) will be funded for three more years by NRF Korea. Congratulations! (Link)
2024.05 We are a member of Hi-GPS: (H)elical (I)nteraction-based (G)eometric (P)rotein (S)ensing. Congratulations!!
2024.03 Dr. Jinsub Jang (장진섭) joined our group. Welcome!
2024.02 We attended Optical Society of Korea Winter Annual Meeting 2024. We presented 3 posters.
2024.01 Jung Gil Jo (조정길) joined our group. Welcome!
2023.12 We are a member of LAMP (Learning & Academic research institution for Master’s·PhD students, and Postdocs). We are funded by NRF for a 5-year research project on next-generation optical semiconductor devices! (Link)
2023.12 We attended ICAMD2023 in Jeju. Yoon Seong was awarded for best poster presentation!
Title: Effects of graphene on second harmonic generation of 2D semiconductors
Photos from ICAMD2023
2023.12 Yoon Seong's paper "Mesoscopic Stacking Reconfiguration in Stacked van der Waals Film" is published online in Small. Congratulation! (Link)
2023.12 Jiwon Sung (성지원) was awarded an outstanding presentation in the Capstone design (Directed research in Physics)! (Link)
2023.10 We attended the 2023 KPS Fall meeting in Changwon. Yoon Seong Heo was awarded for the best oral presentation!
Title: Imaging disorders in moiré superlattice at a mesoscopic scale
2023.08 We attended the 14th Applied Physics Symposium in Gyeongju. Jun Won Jang was awarded for the best poster presentation!
Title: Effect of Chemical Treatment on Quantum Emitters in WSe2
2023.08 Jiwon Sung (성지원) joined our group. Welcome!
2023.07 We attended the 10th Korean Symposium on Graphene and 2D Materials in Busan. We presented 5 posters. Yoon Seong Heo was awarded the KGS best poster presentation! Nice job!
Title: Exciton complex and strain-tunable optical nonlinearity in a 2D semiconductor
2023.06 Junwon Jang (장준원) was awarded an outstanding presentation in the Capstone design (Directed research in Physics)! (Link)
Title: WSe2 결함기반 단일 광자 광원의 탐색
2023.04 We attended 2023 KPS Spring meeting in Daejeon. We presented 2 posters.
2023.03 Jun Won Jang (장준원) joined our group. Welcome!
2022.12 Seungman Han (한승만) and Wooseok Lee (이우석) was awarded an outstanding presentation in the Capstone design (Directed research in Physics)! (Link)
Title: WS2 나노스크롤에서의 이차 조화파 생성에 대한 연구 / 유기금속화학증착법을 이용한 WS2의 성장 및 초분광 측정을 이용한 광학적 분석
2022.12 Dongin Jo successfully defended his master thesis. Congrats!
Title: Synthesis of Atomically Thin Lateral Heterostructure Using MOCVD
2022.10 We attended 2022 KPS Fall meeting in Busan. We gave 3 posters, 1 oral, and 1 invited presentations. Nice job!
2022.06 Yoon Seong Heo and Tae-Wan Kim successfully defended their master thesis. Congratulation!
Title: Visualization of Stacking Angle Distribution in Twisted Bilayer WS2 / Yoon Seong Heo
Title: Manipulating Optical Properties of WS2 Grown by Metal-Organic Chemical Vapor Deposition / Tae-Wan Kim
Enjoy!
2022.06 Seungjea Lim (임승재) was awarded an outstanding presentation in the Capstone design (Directed research in Physics)! (Link)
Title: Spectroscopic Characterization of hBN Single Photon Emitter
2022.04 We are a member of the Center for Quantum Sapient Workforce (양자 사피엔스 인재양성센터). More details can be found here: http://www.qworkforce.kr/
Related articles: [조선비즈], [연합뉴스], [디지털타임스]
2022.01 Seungjea Lim (임승재), Wooseok Lee (이우석), Seungman Han (한승만) joined our group. Welcome!
2021.12 Tae-Wan Kim, Yoon Seong Heo, Dong-In Jo had poster presentations at the ICAMD2021 in Jeju.
Photos from ICAMD2021
2021.10 Tae-Wan Kim and Yoon Seong Heo presented at the 2021 KPS Fall meeting (가을 한국물리학회).
2021.05 We have renewed our group name to reflect current research interests. [Optoelectronics and Quantum Materials Laboratory ]
2020.08 We are funded by the NRF Korea under the US-AFOSR Korea Quantum Information Science and Technologies Initiative (양자정보과학 연구개발생태계 조성사업).
2020.08 Taewan Kim (김태완) joined our group! Welcome!
2020.05 New review paper "Polarized Raman spectroscopy of two-dimensional materials" is now online!
2020.03 We are funded by NRF Korea under the Young Researcher Program (신진연구+최초혁신실험실) .
2019.10 Woncheon Hall 536-1 (원천관 536-1호) is now available for the sample preparation!
2019.08 New review paper "Raman spectroscopy of two-dimensional magnetic van der Waals materials" is now online!
2019.08 Young Deok (고영덕), Dong-In (조동인), and Yoon Seong (허윤성) joined our group!
2019.05 We are funded by NRF Korea under the General Research Program (기본연구).
2019.03 We are funded by Ajou university under the Start-up Research Funding Program (신임교원 정착연구비) .
2019.03 We started a new research group at Ajou University! [Advanced Materials Spectroscopy Laboratory (AMSL)]
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