TY - CONF AU - Seliverstov, Sergey V. AU - Rusova, Anastasia A. AU - Kaurova, Natalya S. AU - Voronov, Boris M. AU - Goltsman, Gregory N. PY - 2017 DA - 2017// TI - AC-biased superconducting NbN hot-electron bolometer for frequency-domain multiplexing T2 - Proc. 28[super:th] Int. Symp. Space Terahertz Technol. BT - Proc. 28[super:th] Int. Symp. Space Terahertz Technol. SP - 120 EP - 122 KW - NbN HEB mixer AB - We present the results of characterization of fast and sensitive superconducting antenna-coupled THz direct detector based on NbN hot-electron bolometer (HEB) with AC-bias. We discuss the possibility of implementation of the AC-bias for design the readout system from the multi-element arrays of HEBs using standard technique of frequency-domain multiplexing. We demonstrate experimentally that this approach does not lead to significant deterioration of the HEB sensitivity compared with the value obtained for the same detector with DC- bias. Results of a numerical calculations of the HEB responsivity at AC-bias are in a good agreement with the experiment. N1 - exported from refbase (https://db.rplab.ru/refbase/show.php?record=1174), last updated on Sat, 01 May 2021 00:41:55 -0500 ID - Seliverstov_etal2017 ER -