Journal
APPLIED PHYSICS LETTERS
Volume 107, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4928659
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- CONACYT [103644-F, 317142]
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By definition, a temporal photonic crystal (TPC) has a permittivity epsilon(t) that varies periodically with time. We prove that, in the long wavelength limit, a TPC is accurately mimicked by a dynamic transmission line (DTL) having a capacitance (inductance) per unit length equal to epsilon(t) (mu). Employing a DTL in the microwave region, we measured the photonic band structure, which results to display a genuine wave vector (k or beta) gap, in very good agreement with our theoretical model and the equivalent TPC. (C) 2015 AIP Publishing LLC.
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