Final published version
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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - Extended short-wave infrared linear and Geiger mode avalanche photodiodes, based on 6.1 angstrom materials
AU - Craig, A.P.
AU - Jain, M.
AU - Meriggi, L.
AU - Cann, T.
AU - Niblett, A.
AU - Collins, X.
AU - Marshall, A.R.J.
PY - 2019/2/4
Y1 - 2019/2/4
N2 - Extended short-wave infrared (SWIR) avalanche photodiodes based on III-V quaternary alloys were grown on GaSb. An InGaAsSb absorber allowed for cut-off wavelengths of 2.2 mu m and 2.75 mu m, at 77 K and 300 K, respectively. A multiplication layer of AlGaAsSb with Al = 0.9 mole fraction was used, a material recently characterized by our group, allowing for a breakdown voltage of less than 15 V. Linear and 2D arrays were fabricated using BCl3 dry and HF wet-chemical etching, and dielectric passivation layers were tested. These results indicate that extended SWIR single photon detectors can be developed. (C) 2019 Author(s).
AB - Extended short-wave infrared (SWIR) avalanche photodiodes based on III-V quaternary alloys were grown on GaSb. An InGaAsSb absorber allowed for cut-off wavelengths of 2.2 mu m and 2.75 mu m, at 77 K and 300 K, respectively. A multiplication layer of AlGaAsSb with Al = 0.9 mole fraction was used, a material recently characterized by our group, allowing for a breakdown voltage of less than 15 V. Linear and 2D arrays were fabricated using BCl3 dry and HF wet-chemical etching, and dielectric passivation layers were tested. These results indicate that extended SWIR single photon detectors can be developed. (C) 2019 Author(s).
KW - Arsenic compounds
KW - Avalanche photodiodes
KW - Chlorine compounds
KW - Gallium alloys
KW - Gallium compounds
KW - III-V semiconductors
KW - Indium alloys
KW - Particle beams
KW - Passivation
KW - Photodiodes
KW - Photons
KW - Semiconductor alloys
KW - Wet etching
KW - 2D arrays
KW - Cutoff wavelengths
KW - Dielectric passivation
KW - Geiger mode avalanche photodiode
KW - Iii-v quaternary alloys
KW - Mole fraction
KW - Short wave infrared
KW - Single-photon detectors
KW - Infrared radiation
U2 - 10.1063/1.5054753
DO - 10.1063/1.5054753
M3 - Journal article
VL - 114
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 5
M1 - 053501
ER -