Table 4

Summary of the demonstrated 2D-material photodetectors

2D materialOperation wavelength (μm)Operation bandwidth (GHz)Detection mechanismDevice structureDetection responsivityDark current
Graphene1.5520 PVSOI waveguide0.108 (A/W)/[172]
Graphene1.5542PVSOI waveguide0.016 (A/W)/[177]
Graphene1.55/PVSOI waveguide0.37 (A/W)20 (BV: 1 V)[178]
Graphene1.5518PVSOI waveguide0.05 (A/W)/[173]
Graphene1.55/PVGlass waveguide0.72 (A/W)/[189]
Graphene0.53/PVSi3N4 waveguide0.44 (A/W)/[202]
Graphene1.5517PVSOI waveguide0.025 (A/W)/[183]
Graphene1.555PVSOI waveguide0.0008 (A/W)/[184]
Graphene1.55/2.75/PVSOI waveguide0.0001/0.13 (A/W)10 (BV: −1.5 V)[69]
Graphene1.5538PVSi3N4 waveguide0.013 (A/W)105 (BV: 0.1 V)[206]
Graphene1.5570PVPlasmonic waveguide0.1 (A/W)/[186]
Graphene1.5530PVSOI waveguide0.015 (A/W)/[179]
Graphene1.5528PVSi3N4 waveguide0.24 (A/W)13 (BV: 10 V)[205]
PtSe21.5535PVSi3N4 waveguide0.012 (A/W)317 (BV: 8 V)[200]
MoTe2/graphene 1.5550PVSOI waveguide0.2 (A/W)0 (BV: 0 V)[203]
BP1.553PVSOI waveguide0.657 (A/W)220 (BV: –0.4 V)[196]
BP1.550.15PVSOI waveguide10 (A/W)/[197]
BP3.68–4.03/PVSOI waveguide23 (A/W)100 (BV: 0 V)[198]
BP2.01.33PVSOI waveguide0.3067 (A/W)/[199]
Ti3C2Tx1.55/PVSOI waveguide4×10−5 (A/W)10−4 (BV: 0 V)[201]
Graphene1.55/PTESlot waveguide0.273 (A/W)/[70]
Graphene1.5518PTEPhC waveguide0.17 (A/W)/[185]
Graphene1.5520PTESOI waveguide0.4 (A/W)3×106 (BV: –0.3 V)[187]
Graphene1.5570PTESOI waveguide3.5 (V/W)0[170]
Graphene1.5567PTESi3N4 waveguide6 (V/W)0[191]
Graphene1.5565PTESlot waveguide0.076 (A/W)/[182]
Graphene1.5533PTESi3N4 waveguide2.36 (A/W)/[180]
Graphene1.5542PTESOI waveguide0.36 (A/W)0[204]
Graphene1.55/PTESi3N4 waveguide0.126 (A/W)/[190]
Graphene1.5576BOLSOI waveguide0.001 (A/W)/[181]
Graphene1.55110BOLSOI waveguide0.5 (A/W)6×106 (BV: 0.6 V)[188]
Graphene1.31/BOLPlasmonic waveguide0.67 (A/W)2.3×104 (BV: –1 V)[207]
Graphene1.55/BOLSOI waveguide0.11 (A/W)1.45×106 (BV: 1 V)[171]

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