• Acta Photonica Sinica
  • Vol. 51, Issue 5, 0551307 (2022)
Zheyuan XU1、3、4, Ying JIANG2、3、4、*, and Anlian PAN1、3、4、*
Author Affiliations
  • 1College of Materials Science and Engineering,Hunan University,Changsha 410082,China
  • 2School of Physics & Electronics,Hunan University,Changsha 410082,China
  • 3Key Laboratory for Micro-Nano Physics and Technology of Hunan Province,Changsha 410082,China
  • 4Hunan Innovation Research Institute of Optoelectronic Integration,Changsha 410082,China
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    DOI: 10.3788/gzxb20225105.0551307 Cite this Article
    Zheyuan XU, Ying JIANG, Anlian PAN. Research Progress on Exciton-polaritons in Two-dimensional Transition Metal Chalcogenides(Invited)[J]. Acta Photonica Sinica, 2022, 51(5): 0551307 Copy Citation Text show less
    Strong light-matter coupling in a MoS2-DBR microcavity[53]
    Fig. 1. Strong light-matter coupling in a MoS2-DBR microcavity53
    Interacting polariton fluids in a WSe2-microcavity system[61]
    Fig. 2. Interacting polariton fluids in a WSe2-microcavity system61
    Optical properties of the free and trapped exciton-polaritons in WS2 monolayers at room temperature[64]
    Fig. 3. Optical properties of the free and trapped exciton-polaritons in WS2 monolayers at room temperature64
    Tunable exciton-polaritons emerging from WS2 monolayer excitons in a photonic lattice at room temperature[65]
    Fig. 4. Tunable exciton-polaritons emerging from WS2 monolayer excitons in a photonic lattice at room temperature65
    Exciton-polaritons in a WSe2-PC system[67]
    Fig. 5. Exciton-polaritons in a WSe2-PC system67
    A room-temperature polariton light-emitting diode based on monolayer WS2[73]
    Fig. 6. A room-temperature polariton light-emitting diode based on monolayer WS273
    Valley-polarized exciton–polaritons in a MoS2-DBR microcavity[74]
    Fig. 7. Valley-polarized exciton–polaritons in a MoS2-DBR microcavity74
    Optical control of room-temperature valley polaritons[78]
    Fig. 8. Optical control of room-temperature valley polaritons78
    Optical valley Hall effect for highly valley-coherent exciton-polaritons in a MoSe2-DBR microcavity[79]
    Fig. 9. Optical valley Hall effect for highly valley-coherent exciton-polaritons in a MoSe2-DBR microcavity79
    Room-temperature valley coherence of the exciton-polaritons in a WSe2-DBR microcavity[85]
    Fig. 10. Room-temperature valley coherence of the exciton-polaritons in a WSe2-DBR microcavity85
    Observation of bosonic condensation in a hybrid monolayer MoSe2-GaAs microcavity[89]
    Fig. 11. Observation of bosonic condensation in a hybrid monolayer MoSe2-GaAs microcavity89
    Bosonic condensation of exciton-polaritons in a MoSe2-DBR microcavity[90]
    Fig. 12. Bosonic condensation of exciton-polaritons in a MoSe2-DBR microcavity90
    Ultralow threshold polariton condensate in a WS2-DBR microcavity at room temperature[92]
    Fig. 13. Ultralow threshold polariton condensate in a WS2-DBR microcavity at room temperature92
    MaterialCavityRabi splitting /meVTemperaturePump sourceRef.
    MoS2DBR46RTCW laser53
    WS2Dielectric mirror43RT---61
    WS2DBR25RT---64
    WS2DBR19RTCW laser65
    WSe2PC17.610 KCW laser67
    WS2PC22RTCW laser67
    Gr/hBN/WS2/hBN/GrDBR~33(EQE:0.1%)RTElectric injection73
    Table 1. Exciton-polariton in two-dimensional TMDs
    MaterialCavityValley exciton-polaritonRabi splitting /meVTemperaturePump sourceRef.
    MoS2DBRValley polarization(29.5%)398 KCW laser74
    WS2Ag mirrorValley polarization(27%)70~100RTCW laser78
    MoSe2DBRValley polarization(>90%)---5 KCW laser79
    MoSe2DBRValley coherence(>90%)---5 KCW laser79
    WSe2DBRValley coherence(9%)11.4RTfs laser85
    Table 2. Valley exciton-polaritons in two-dimensional TMDs
    MaterialQCondensation thresholdLinewidthSpatial coherenceCoherence timeNonlinear thresholdBlueshift above thresholdT /KPump sourceRef.
    Monolayer MoSe2/GaAs +DBR/Au film Cavity6504.8 pJ/pulse(~0.39 mW)0.87 nm(0.7 meV)Not shownNot shown4.2pulsed laser89
    Monolayer MoSe2 + DBR Cavity50014 mW(~3×1012 cm-2~14.7 nm(12 meV)~360 fs4pulsed laser90
    Monolayer WS2 + DBR Cavity20000.5 nW(0.06 W/cm2~3 nm(2.4 meV)~1.65 psRTCW laser92
    Table 3. Polariton lasers in two-dimensional TMDs
    Zheyuan XU, Ying JIANG, Anlian PAN. Research Progress on Exciton-polaritons in Two-dimensional Transition Metal Chalcogenides(Invited)[J]. Acta Photonica Sinica, 2022, 51(5): 0551307
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