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. 2022 Oct 5;8(40):eabq7533. doi: 10.1126/sciadv.abq7533

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Fig. 3. — (A and E) Scheme of a 2D polycrystalline perovskite microcavity with an LC having two parallel ordering polymer layers at both sides of the cavity (A) and two ordering polymer layers at both sides of the cavity with 45° tilted rubbing (E) (see Materials and Methods). (B and F) Dispersion relation of first polariton branch in the RD SOC regime (B), with the opening of the energy gap (F). (C and G) Measured energy-resolved PL at k=0 versus applied voltage for diagonal polarization, without (C) and with (G) gap opening. (D and H) Measured angle-resolved PL spectra in the R-D regime for S₃ polarization: without (D) and with (H) gap opening.