Figure 3.

Photocurrent distribution in photon energy and crystal momentum from the $\pi$ and ${\pi }^{*}$ states for the same setup as in Figure 2. (a) $B_2$ states (p branch). (b) $A_2$ states (s branch). In each graph the two white vertical ticks show the $\overline{K}$ point and the $k_{\left|\right|}$ point presented in detail in Figure 4.