Chiral & Polarization Optics
Symmetry breaking in optical responses, from CPL to chiral photophysics.
- Chirality-driven PL modulation
- Polarization-resolved spectroscopy & imaging
- Design rules for chiral light–matter interaction
2D Quantum Materials
Valley, exciton, and spin–orbit physics in low-dimensional semiconductors.
- TMD monolayers & alloys (Mo/W-based)
- 2D/3D perovskites and heterostructures
- Thickness/structure-dependent electronic phases
Photo-induced Transport
Converting polarized light into electrical signals via non-centrosymmetric physics.
- Circular photogalvanic effects (CPGE)
- Spatial photocurrent mapping (device-level)
- Chirality–transport coupling mechanisms
Spectroscopy & Device Platforms
Reliable, quantitative measurement systems that connect fundamentals to applications.
- PL/Raman/SHG/TRPL, polarization control
- k-space/BFP imaging and angular optics
- Data-driven characterization workflows
View All Research →/research/
Research Highlights
Selected recent stories and featured results from the lab.
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Materials Today Physics 54, 101730 (2025)
Circular photogalvanic effect in two-dimensional Weyl semimetals ABSTRACT As a host of massless Weyl fermions, two-dimensional… Read more →
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Adv. Mater. 27, 2614–262 (2015)
Graphene/Si-quantum-dot heterojunction diodes showing high photosensitivity compatible with quantum size effect We demonstrate quantum size effect… Read more →
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ACS Nano 6, 8203 (2012)
For the application of graphene quantum dots (GQDs) to optoelectronic nanodevices, it is of critical importance… Read more →
Latest News
Updates, awards, publications, and announcements.
Selected Publications
Recent journal articles and featured papers from the lab.
(2025) Nature Materials — Symmetry Breaking Photonics in Low-Dimensional Quantum Materials
(2025) ACS Nano — Chiral 2D Perovskites with Enhanced Circularly Polarized Emission
(2024) Advanced Materials — Valley-Selective Light–Matter Interaction in TMD Heterostructures
(2024) Materials Today Physics — Thickness-Tuned Dirac–Weyl Crossover and Photogalvanic Response
(2023) Nano Letters — Polarization-Resolved Photocurrent Mapping in Layered Semiconductors
People
Our group explores symmetry breaking, chiral optics, and quantum optoelectronics
FACILITIES
Key measurement platforms for chiral optics and quantum optoelectronics.
