ArticleNano letters2016
Coherent and Incoherent Coupling Dynamics between Neutral and Charged Excitons in Monolayer MoSe2.
Article in Nano letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Tuning relaxation and nonlinear upconversion of valley-exciton-polaritons in a monolayer semiconductor.Nature communications · 2025Article
- Roadmap for Photonics with 2D Materials.ACS photonics · 2025Review
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- Article
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- Quantum Beats between Spin-Singlet and Spin-Triplet Interlayer Exciton Transitions in WSeNano letters · 2024Article
- Interactions and ultrafast dynamics of exciton complexes in a monolayer semiconductor with electron gas.Nanophotonics (Berlin, Germany) · 2024Article
- Biexciton and Singlet Trion Upconvert Exciton Photoluminescence in a MoSeThe journal of physical chemistry letters · 2023Article
- Interactions between Fermi polarons in monolayer WSNature communications · 2022Article
- Role of processing parameters in CVD grown crystalline monolayer MoSeRSC advances · 2022Article
- Exciton-phonon coupling strength in single-layer MoSeNature communications · 2021Article
- Many-body simulation of two-dimensional electronic spectroscopy of excitons and trions in monolayer transition metal dichalcogenides.Nature communications · 2019Article
- Polarimetry of photon echo on charged and neutral excitons in semiconductor quantum wells.Scientific reports · 2019Article
- Article
- Nonlinear dynamics of trions under strong optical excitation in monolayer MoSeScientific reports · 2018Article
- Ultrafast quantum beats of anisotropic excitons in atomically thin ReSNature communications · 2018Article
- Neutral and charged inter-valley biexcitons in monolayer MoSeNature communications · 2017Article
- Trion Valley Coherence in Monolayer Semiconductors.2d materials · 2017Article
- Advances in multi-dimensional coherent spectroscopy of semiconductor nanostructures.Advances in physics: X · 2017Article
- Radiatively Limited Dephasing and Exciton Dynamics in MoSe2 Monolayers Revealed with Four-Wave Mixing Microscopy.Nano letters · 2016Article
Corrections and comments
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Authors and funding
10 authors.
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Abstract
The optical properties of semiconducting transition metal dichalcogenides are dominated by both neutral excitons (electron-hole pairs) and charged excitons (trions) that are stable even at room temperature. While trions directly influence charge transport properties in optoelectronic devices, excitons may be relevant through exciton-trion coupling and conversion phenomena. In this work, we reveal the coherent and incoherent nature of exciton-trion coupling and the relevant time scales in monolayer MoSe2 using optical two-dimensional coherent spectroscopy. Coherent interaction between excitons and trions is definitively identified as quantum beating of cross peaks in the spectra that persists for a few hundred femtoseconds. For longer times up to 10 ps, surprisingly, the relative intensity of the cross peaks increases, which is attributed to incoherent energy transfer likely due to phonon-assisted up-conversion and down-conversion processes that are efficient even at cryogenic temperature.
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