Applied Physics Letters · 2000 · 140 citations · 10 references
EngineeringElectrical EngineeringOptoelectronicsPhotonicsRadiation DetectionOptical SourcesOptical SpectroscopySemiconductor DetectorsTerahertz PhotonicsTerahertz SpectroscopyUltrafast OpticsCoherent DetectionPhotoconductive AntennasTerahertz AntennasTerahertz DetectionTerahertz DetectorsTerahertz GenerationTerahertz Semiconductor DevicesTerahertz Sources
We report on the ultrabroadband coherent detection of radiation in wavelengths spanning from far to midinfrared with a low-temperature-grown GaAs photoconductive dipole antenna gated with 15 fs light pulses. The detected spectral frequency exceeds 20 THz.
10