Local SiC photoluminescence evidence of non-mutualistic hot spot formation and sub-THz coherent emission from a rectangular Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ mesa

Hidetoshi Minami, Chiharu Watanabe, Kota Sato +5

From the photoluminescence of SiC microcrystals uniformly covering a rectangular mesa of the high transition temperature $T_c$ superconductor Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$, the loc…