fig5

Figure 5. Distribution of FOM (573 K). (A) GSSn-1 at a wavelength of 1,310 nm; (B) GSSn-1 at a wavelength of 1,550 nm; (C) GSSn-2 at a wavelength of 1,310 nm; (D) GSSn-2 at a wavelength of 1,550 nm.