Fig. 1. The schematics of InAs/InAsSb Mid-/Mid-wave two-color superlattice energy band material structure

Fig. 2. XRD patterns of superlattice materials

Fig. 3. Metallographic micrograph of the superlattice material surface

Fig. 4. Metallographic micrograph (a) and SEM of the etched mesa (b)

Fig. 5. Metallographic micrograph of passivation (a), gold electrode (b) and profile photo of indium bump (c)

Fig. 6. Characterization of current destiny and differential resistance vs voltage

Fig. 7. Response diagram of short-Mid-wave channel (a) and mid-wave channel (b) of InAs/InAsSb two-color device

Fig. 8. Blind metagraph of short-Mid-wave channel (a) and Mid-wave channel (b) of InAs/InAsSb two-colordevice

Fig. 9. Nomalization responsivity spectrum curves of InAs/InAsSb two-color superlattice device

Fig. 10. Thermal image of short-Mid-wave channel (a) and mid-wave channel (b) of InAs/InAsSb two-color device