Dynamically configurable hybridization of plasmon modes in nanoring dimer arrays

Lei Zhang, Zhaogang Dong, Ying Min Wang, Yan Jun Liu, Shuang Zhang, Joel Kwang Wei Yang, Cheng-Wei Qiu

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


We present a novel strategy capable of dynamically configuring the plasmon-induced transparency (PIT) effect with a polarization-dependent controllability based on a nanoring dimer array. The controllable coupling strength between the superradiant and subradiant modes is due to the polarization-dependent field distributions. It is shown that this dynamically controlled PIT is realized with a modulation depth as high as 95%, and a linear dependence of the coupling strength on polarization angle is deduced using a coupled-oscillator model. We believe that our results will inspire further exciting achievements that utilize various polarization states of the electromagnetic wave and pave a way towards applications using PIT with dynamic controllability such as slow light, optical nonlinearities and chemical/bio-sensing.

Original languageEnglish
Pages (from-to)12018-12022
Number of pages5
Issue number28
Early online date15 Jun 2015
Publication statusPublished - 28 Jul 2015


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