Journal
OPTICAL MATERIALS EXPRESS
Volume 8, Issue 9, Pages 2713-2721Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.8.002713
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Funding
- National Natural Science Foundation of China [11304187, 11574185, 11604183]
- China Postdoctoral Science Foundation [2015M582126]
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The photonic lattice, a mesoscopic artificial structure, contributes to the optics and quantum fields. Here we fabricate octagon and dodecagon lattices with strontium barium niobate (SBN), a new kind of two-dimensional (2D) complicated period polygon photonic lattices. The photonic lattices are composed of two unequal sublattices corresponding to the valley freedom (pseudospin) of electrons, which are similar to a honeycomb lattice. We demonstrate the nonlinear transmission and pseudospin in the octagon lattice (OL) and dodecagon lattice (DL). The transmission beam is eventually localized in the lattice with a nonlinear effect. In addition, we explore the pseudospin in the lattice by the specially-designed probing beam, which supplies a new lattice for photonic research. We gain both in our simulation and experiment. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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