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Defect-state lasing in photonic lattices of metal–organic microcavities

, , , , , , , and . Adv. Photonics Res., 2 (3): 2000116 (Dec 15, 2020)
DOI: 10.1002/adpr.202000116

Abstract

Photonic band structure engineering has developed into an important technique for controlling the emission and interaction of photons and polaritons in microcavities (MCs). Herein, lasing from defect states (DSs) in photonic Kronig–Penney structures embedded into metal–organic MCs is demonstrated. As compared to the more delocalized lasing states associated with photonic bands, these DSs exhibit improved lasing thresholds that lie even below the lasing threshold of the metal-free cavity. The characteristics of these DSs are determined via full electrodynamic computations based on the discontinuous Galerkin time-domain method.

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