Figure 7

(a) IPCE spectrum of three kinds of photodiode under zero bias voltage. (b) Wavelength-dependent responsivity spectrum obtained from R = IPCE*λ/1240. When IPCE = 100%, λ = 1240 nm, R = 1 A/W.
(a) IPCE spectrum of three kinds of photodiode under zero bias voltage. (b) Wavelength-dependent responsivity spectrum obtained from R = IPCE*λ/1240. When IPCE = 100%, λ = 1240 nm, R = 1 A/W.