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. 2017 Jul 14;3(7):e1700225. doi: 10.1126/sciadv.1700225

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Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 5 — (A) Simulated field intensity distribution of two types of highest-Q lasing modes in the axially coupled heterogeneous NW cavities, which manifests the mutual mode modulation effect in the coupled cavity. (B) Lasing emission spectra of the axially coupled heterogeneous NW cavities under laser excitation at different positions. The dual-color single-mode lasing was realized by pumping the heterogeneously coupled organic NW resonators in whole. Scale bar, 10 μm. (C) Spatially resolved PL spectra collected from three different ports: the intercavity gap of the heterogeneously coupled cavity system (O2) and the end facets of OPV-A (O1) and OPV-B (O3). Scale bar, 5 μm.