6 papers
Super interference fringes of two-photon photoluminescence in individual Au nanoparticles: the critical role of the intermediate state
Yao Li, Yonggang Yang, Chengbing Qin +7
The interaction between light and metal nanoparticles enables investigations of microscopic phenomena on nanometer length and ultrashort time scales, benefiting from strong confine…
Reversible engineering the spin-orbit coupling of monolayer MoS2 via laser irradiation under controlled gas atmospheres
Liang Xilong, Qin Chengbing, Gao Yan +6
Monolayer transition metal dichalcogenides (TMDs) with strong spin-orbit coupling combined with broken inversion symmetry, leading to a coupling of spin and valley degrees of freed…
Giant Enhancement of Photoluminescence Emission in Monolayer WS2 by Femtosecond Laser Irradiation
Qin Chengbing, Liang Xilong, Han Shuangping +5
Monolayer transition metal dichalcogenides have emerged as promising materials for optoelectronic and nanophotonic devices. However, the low photoluminescence (PL) quantum yield (Q…
All-optical reversible manipulation of exciton and trion emissions in monolayer WS2
Chaoli Yang, Yan Gao, Chengbing Qin +7
Monolayer transition metal dichalcogenides (TMDs) are direct gap semiconductors emerging promising applications in diverse optoelectronic devices. To improve performance, recent in…
Excitonic Transport and Intervalley Scattering in Exfoliated MoSe2 Monolayer Revealed by Four-Wave-Mixing Transient Grating Spectroscopy
Henning Kuhn, Julian Wagner, Shuangping Han +5
Exciton intervalley scattering, annihilation and relaxation dynamics, and diffusive transport in a monolayer transition metal dichalcogenides are central to the functionality of de…
Incoherent phonon population and exciton-exciton annihilation in monolayer WS2 revealed by time-resolved spontaneous Raman scattering
Shuangping Han, Christoph Boguschewski, Yan Gao +3
Atomically thin layer transition metal dichalcogenides have been intensively investigated for their rich optical properties and potential applications in nano-electronics. In this…