Voltage-Controllable Guided Propagation in Nematic Liquid Crystals

Figure 4

The guided light propagation by applying the fixed voltage of (1) = 2.2 V in channel 1 and applying voltages of (2) = 0 V, 1.5 V, 2.2 V, and 2.8 V in channel 2, which correspond to (a)–(d), respectively.

(a)

(b)

(c)

(d)