Spatial mode-selective waveguide with hyperbolic cladding

Y. Tang, Z. Xi, M. Xu, S. Bäumer, A. J L Adam, H. P. Urbach

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

Hyperbolic metamaterials (HMMs) are anisotropic materials with a permittivity tensor that has both positive and negative eigenvalues. Here we report that by using a type II HMM as a cladding material, a waveguide that only supports higher-order modes can be achieved, while the lower-order modes become leaky and are absorbed in the HMM cladding. This counter-intuitive property can lead to novel application in optical communications and photonic integrated circuits. The loss in our HMM insulator-HMM (HIH) waveguide is smaller than that of similar guided modes in a metal-insulator-metal (MIM) waveguide.

Original languageEnglish
Pages (from-to)4285-4288
JournalOptics Letters
Volume41
Issue number18
DOIs
Publication statusPublished - 2016

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