Table 1 Comparison of the mini-BIC laser with other BIC lasers
From: Ultra-low threshold continuous-wave quantum dot mini-BIC lasers
BIC type | Pump method | Gain medium | Wavelength (nm) | Cavity size (μm2) | Threshold peak power (mW) | Threshold power density (kW cm-2) | Q factor | Ref. | |
|---|---|---|---|---|---|---|---|---|---|
BIC | Symmetry-protected and accidental BIC | Pulse pump | InGaAsP QWs | ~1600 | – | 73 | – | – | |
InGaAsP QWs | 1551 | ~19 × 19 | 15.6 | ~4 | ~4701 | ||||
Symmetry-protected BIC | Pulse pump | GaAs | 830–850 | – | 8.8 × 105 | 7.0 × 104 | 2750 | ||
CdSe/CdZnS NPL | 632–663 | – | 5.09 × 106 | 1.8 × 105 | 2590 | ||||
Perovskite | 552 | – | 5.28 × 105 | 4.2 × 104 | – | ||||
IR-792 molecules | ~860 | – | ~2.16 × 106 | ~2.75 × 104 | ~2883 | ||||
Perovskite | 549 | – | – | 4.9 × 105 | 1119 | ||||
Perovskite QDs | ~630 | – | – | 11 | – | ||||
BIC in PhC heterostructure | Symmetry-protected BIC | CW pump | monolayer WS2 | 637 | ~137 | – | 0.144 | 2500 | |
Super-BIC | Symmetry-protected and accidental BIC | Pulse pump | InGaAsP QWs | ~1600 | ~23 × 23 | 0.34 | 1.47 | ~7300 | |
Fano-BIC | Fabry-Perot BIC | CW pump | InGaAsP QWs | 1560 | ~2.2 | 3.5 | 12.38 | >78,000 | |
Mini-BIC | Symmetry-protected and accidental BIC | CW pump | InAs/GaAs QDs | 1303/1328(MM) | 3.4 × 3.4 | 1.2 × 10−2 | 0.052 | 790 | This work |
1311(SM) | 2.5 × 2.5 | 1.7 × 10−2 | 0.074 | 525 |
