Extended Data Fig. 13: Image post-processing.
From: Room-temperature electrical control of exciton flux in a van der Waals heterostructure
a, Original CCD image of the exciton emission for the configuration shown in Fig. 3a. The yellow square highlights the area of interest, shown in Fig. 3c. b, The same image after background subtraction. c, Original CCD image of the exciton emission for the configuration shown in Fig. 3b. d, The same image after background subtraction. Scale bars, 15 μm.
