Pulse response characterization of the mid-infrared photodetectors in nonlinear vector network analyzer system (Conference Presentation)

Mateusz Zbik; Jarosław Szatkowski; Wojciech Wiatr

doi:10.1117/12.2566978

27 April 2020 Pulse response characterization of the mid-infrared photodetectors in nonlinear vector network analyzer system (Conference Presentation)

Mateusz Zbik, Jarosław Szatkowski, Wojciech Wiatr

Author Affiliations +

Proceedings Volume 11407, Infrared Technology and Applications XLVI; 114071N (2020) https://doi.org/10.1117/12.2566978
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

We describe a new system for broadband characterization of mid-infrared (MIR) photodetectors, manufactured by the VIGO System and encapsulated in TO-8 can. The system comprises a high repetition rate pulsed quantum cascade laser source, stimulating a detector in a special test fixture that is connected to ports of a vector network analyzer (VNA) with a pair of cables. The system operates in a mode of nonlinear VNA, i.e. it is capable of measuring magnitude and phase spectra of harmonic signals up to 5 GHz of bandwidth. This approach enables recovering sub-nanosecond differential pulses of amplitudes below 1 mV and speed up performance evaluation of MIR detectors tested.

Conference Presentation

Citation Download Citation

Mateusz Zbik, Jarosław Szatkowski, and Wojciech Wiatr "Pulse response characterization of the mid-infrared photodetectors in nonlinear vector network analyzer system (Conference Presentation)", Proc. SPIE 11407, Infrared Technology and Applications XLVI, 114071N (27 April 2020); https://doi.org/10.1117/12.2566978

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