Fig. 2: LSPRs-induced response speed acceleration.
From: Ultrafast near-infrared pyroelectric detector based on inhomogeneous plasmonic metasurface
a Measured response waveform of the control sample without plasmonic metasurface. b Measured response waveform of the proposed detector with plasmonic metasurface. c Simulated distribution of temperature variation for the control sample. d Simulated distribution of temperature variation for the proposed detector with plasmonic metasurface. e Simulated ∆T profiles of the AlN layers in two detectors. f Simulated dT/dt of the AlN layer in the proposed detector under different incident light pulses. g Diagram of the concept of time resolution for PE detectors. h Dependences of tp-rise and time resolution on the incident pulse width τ
