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1篇 您的检索式：作者名="Segolene Callard"

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		题名	作者	年代	出处	被引量
	1	Lasing at topological edge states in a photonic crystal L3 nanocavity dimer array显示文摘Topological photonics have provided new insights for the manipulation of light.Analogous to electrons in topological insulators,photons travelling through the surface of a topological photonic structure or the interface of two photonic structures with different topological phases are free from backscattering caused by structural imperfections or disorder.This exotic nature of the topological edge state(TES)is truly beneficial for nanophotonic devices that suffer from structural irregularities generated during device fabrication.Although various topological states and device concepts have been demonstrated in photonic systems,lasers based on a topological photonic crystal(PhC)cavity array with a wavelength-scale modal volume have not been explored.We investigated TESs in a PhC nanocavity array in the Su–Schrieffer–Heeger model.Upon optical excitation,the topological PhC cavity array realised using an InPbased multiple-quantum-well epilayer spontaneously exhibits lasing peaks at the topological edge and bulk states.TES characteristics,including the modal robustness caused by immunity to scattering,are confirmed from the emission spectra and near-field imaging and by theoretical simulations and calculations.	Changhyun Han Myungjae Lee Segolene Callard Christian Seassal Heonsu Jeon	2019	Light(Science & Applications)2019，8，1：	4

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