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(a) AFM image showing the surface morphology of a 2D hexagonal H-PDLC PC, is the lattice constant. Scale bar: . (b) Schematic optical setup of the lasing experiment.
Changes in transmission and diffraction efficiency of our 2D H-PDLC PC sample as functions of applied voltage.
Lasing spectra measured along directions under the applied voltage of (a) 0 V, (b) 25 V, and (c) 40 V.
Photonic band structure of the 2D hexagonal H-PDLC PC. The solid lines represent the TE and TM modes, respectively. (b) The shift in the band under increasing applied voltage. The arrows represent the shifting directions.
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