Strong second-harmonic generation by sublattice polarization in non-uniformly strained monolayer graphene

K Lu, M Luo, W Gao, QJ Wang, H Sun… - Nature Communications, 2023 - nature.com
Despite the potential of graphene for building a variety of quantum photonic devices, its
centrosymmetric nature forbids the observation of second harmonic generation (SHG) for …

Triaxially strained suspended graphene for large-area pseudo-magnetic fields

M Luo, H Sun, Z Qi, K Lu, M Chen, D Kang, Y Kim… - Optics letters, 2022 - opg.optica.org
Strain-engineered graphene has garnered much attention recently owing to the possibilities
of creating substantial energy gaps enabled by pseudo-magnetic fields (PMFs). While …

Electron localization in periodically strained graphene

D Giambastiani, F Colangelo, A Tredicucci… - Journal of Applied …, 2022 - pubs.aip.org
Pseudo-magnetic field (PMF) in deformed graphene has been proposed as a promising and
flexible method to quantum-confine electronic states and create gaps in the local density of …

Ultrafast light emission at telecom wavelengths from a wafer-scale monolayer graphene enabled by Fabry–Perot interferences

K Lu, M Luo, Y Wang, B Son, Y Yu, D Nam - Optics Letters, 2022 - opg.optica.org
Ultrafast light emission from monolayer graphene shows attractive potential for developing
integrated light sources for next-generation graphene-based electronic–photonic integrated …

Electrical manipulation of lightwaves in the uniaxially strained photonic honeycomb lattices under a pseudomagnetic field

Z Qi, H Sun, G Hu, C Deng, W Zhu, B Liu, Y Li… - Photonics …, 2023 - opg.optica.org
The realization of pseudomagnetic fields for lightwaves has attained great attention in the
field of nanophotonics. Like real magnetic fields, Landau quantization could be induced by …

Massive laser pulling of graphene nanosheets in water

S Wang, L Wang, Q Zhao, X Wang - Optics Express, 2023 - opg.optica.org
Light manipulation of graphene-based materials attracts much attentions. As a new light
manipulation concept, optical pulling develops rapidly in the past decade. However, optical …

Nonlinear Optical Processes in Strained Graphene with Pseudo-Landau Quantization

D Nam, K Lu, M Luo, W Gao, QJ Wang… - Conference on Lasers …, 2024 - opg.optica.org
We demonstrate second-order nonlinear optical processes in graphene by harnessing strain-
induced sublattice polarization. Pseudo-Landau quantization enabled by strain engineering …

Enabling second harmonic generation in pseudo-Landau quantized graphene through sublattice polarization

K Lu, M Luo, W Gao, QJ Wang, H Sun… - CLEO: Science and …, 2023 - opg.optica.org
We enable second harmonic generation in pseudo-Landau quantized graphene that
achieves strong strain-induced sublattice polarization. A strong temperature-dependent …

Strain engineering for pseudo-magnetic fields in graphene

M Luo, H Sun, Z Qi, K Lu, M Chen… - … and Devices V, 2022 - spiedigitallibrary.org
The potential for establishing energy gaps by pseudo-magnetic fields in strain-engineered
graphene has sparked much interest recently. However, the limited sizes of induced pseudo …

Study of carrier dynamics in strained graphene with giant pseudo-magnetic fields

DH Kang, H Sun, M Luo, K Lu, M Chen… - … and Devices V, 2022 - spiedigitallibrary.org
Pseudo-magnetic field in strained graphene has emerged as a promising route to allow
observing intriguing physical phenomena that would be inaccessible with laboratory …