期刊
OPTICS LETTERS
卷 41, 期 11, 页码 2414-2417出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.41.002414
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资金
- Programa ICM [RC130001]
- Fondo Nacional de Desarrollo Cientifico y Tecnologico (FONDECYT) [1151444]
- Deutsche Forschungsgemeinschaft (DFG) [462/6-1, BL 574/13-1, SZ 276/7-1, SZ 276/9-1]
- German Ministry of Education and Research (Center for Innovation Competence program) [03Z1HN31]
We investigate, theoretically and experimentally, a photonic realization of a Sawtooth lattice. This special lattice exhibits two spectral bands, with one of them experiencing a complete collapse to a highly degenerate flat band for a special set of inter-site coupling constants. We report the observation of different transport regimes, including strong transport inhibition due to the appearance of the non-diffractive flat band. Moreover, we excite localized Shockley surface states residing in the gap between the two linear bands. (C) 2016 Optical Society of America
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