[24a-D214-1~6] 11.4 Analog applications and their related technologies

[24a-D214-5] Demonstration of time multiplexing readout for multi-channel SNSPD system

〇Shigehito Miki^1,2, Shigeyuki Miyajima¹, Masahiro Yabuno¹, Fumihiro China¹, Hirotaka Terai¹ (1.NICT, 2.Kobe Univ.)

Keywords:superconducting nanostrip single photon detector, superconducting nanowire single photon detector

We propose and demonstrate a multiplexing readout by combining the operation of temporal arrangement of the optical inputs to multiple superconducting nanostrip detectors and the SFQ time multiplexing circuit, enabling that each SNSPD can be read out at high speed with one output line.