Noise temperature distribution of superconducting hot electron bolometer mixers
Zhou Kang-Min1, 2, Miao Wei1, 2, Geng Yue1, 2, 4, Delorme Yan3, Zhang Wen1, 2, Ren Yuan1, 2, Zhang Kun1, 2, Shi Sheng-Cai1, 2, †
       

Lowest receiver noise temperature (square) and optimal bias region (star) at different bath temperatures.