Photonic band engineering in metallic microcavity OLEDs

David Allemeier; Matthew White

doi:10.1117/12.2567287

20 August 2020 Photonic band engineering in metallic microcavity OLEDs

David Allemeier, Matthew White

Proceedings Volume 11473, Organic and Hybrid Light Emitting Materials and Devices XXIV; 114731J (2020) https://doi.org/10.1117/12.2567287
Event: SPIE Organic Photonics + Electronics, 2020, Online Only

Conference Poster

Abstract

A metallic microcavity OLED structure is shown to be an ideal building block for exploring 1D photonic crystals. By stacking N metallic microcavities we demonstrate the formation of photonic energy bands by splitting each single-cavity discrete mode into N hybridized resonance states. The splitting of the local cavity modes is found to directly mimic the formation of energy bands from Bloch and molecular orbital (MO) theory. The resulting energy band structure is manipulated by varying the thickness of the metallic mirrors and the cavities, including the formation of a photonic band gap by the introduction of a Peierls distortion to the 1D crystal. The metallic microcavity OLED structure enables direct observation of the interaction of individual cavity modes with the coupled microcavity superlattice due to the internal broadband emission sources. Recent experimental work confirms the transfer matrix simulations for simple structures and has laid the groundwork for future exploration.

Conference Presentation

Citation Download Citation

David Allemeier and Matthew White "Photonic band engineering in metallic microcavity OLEDs", Proc. SPIE 11473, Organic and Hybrid Light Emitting Materials and Devices XXIV, 114731J (20 August 2020); https://doi.org/10.1117/12.2567287

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