Evaluating Charge Carrier Lifetime Of Laser Hyperdoped Germanium Using Terahertz Spectroscopy

S. Senali Dissanayake,Naheed Ferdous,Hemi Gandhi,Eric Mazur,Elif Ertekin,Meng-Ju Sher

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

Gold-hyperdoped germanium extends photodetection into the infrared wavelengths. Pulsed-laser processing makes single crystal material with ultrahigh dopant concentrations. The laser parameters influence the dopant's atomic position which leads to different light absorption and carrier transport properties. (C) 2020 The Author(s)

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关键词

gold-hyperdoped germanium,photodetection,infrared wavelengths,pulsed-laser processing,single crystal material,ultrahigh dopant concentrations,charge carrier lifetime,laser hyperdoped germanium,terahertz spectroscopy,carrier transport properties,light absorption,laser parameters,Ge:Au

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