Extended Data Fig. 9: Power coupling fraction analysis across layers.
From: High-performance tandem perovskite LEDs through interlayer photon recycling
a, Normalized cross-sectional |E|2 intensities (X–Z plane) of TE-polarized (X direction) and TM-polarized (Z direction) light at 800 nm from the top unit, with top/bottom perovskite periods of 600/200 nm. b, Normalized cross-sectional absorption distribution of TE-polarized and TM-polarized light at 800 nm from the top unit, with top/bottom perovskite periods of 600/200 nm.
