Table 2
Comparison of the demonstrated on-chip 2D-material lasers
| Material | Cavity type | Gain medium | Q factor | Operation temperature (K) | Lasing threshold | Lasing wavelength (nm) | Ref. |
| WSe2 | PhC waveguide | WSe2 | 2465 | 80–160 | 27 (nW) | 740 | [113] |
| WS2 | Microdisk resonator | WS2 | 2604 | 10 | 5 (mW/cm2) | 612 | [117] |
| MoS2 | Microdisk resonator | MoS2 | 3300 | 300 | 30 (μW) | 664 | [118] |
| MoTe2 | PhC waveguide | MoTe2 | 5603 | 300 | 97 (μW) | 1132 | [119] |
| Graphene | F-P cavity | ZnO | / | 77 | 77 (μW) | 373 | [114] |
| Graphene | F-P cavity | ZnO | / | 77–300 | 18.5 (mW/cm2) | 373 | [116] |
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