Fig. 3: Linear-polarization-dependent photocurrents in another ReS2/ReS2 sample.
From: Strong bulk photovoltaic effect in engineered edge-embedded van der Waals structures

a Optical image of another ReS2/ReS2 homostructure device. Scale bar is 10 μm. b–d Total measured current at bulk region (position D) b, pure edge (position E) c, and edge-embedded structures (position F) d. Laser is switched on and off every 10 s with different polarization angle θ.