biostudies-literatureUnknown12(1)Pianelli ADielectric singularities (DSs) constitute one of the most exotic features occurring in the effective permittivity of artificial multilayers called hyperbolic metamaterials (HMMs). Associated to DSs, a rich phenomenology arises that justifies the ever-increasing interest profuse by the photonic community in achieving an active control of their properties. As an example, the possibility to "canalize" light down to the nanoscale as well as the capability of HMMs to interact with quantum emitters, placed in their proximity, enhancing their emission rate (Purcell effect), are worth mentioning. HMMs, however, suffer of an intrinsic lack of tunability of its DSs. Several architectures have been proposed to overcome this limit and, among them, the use of graphene outstands. Graphene-based HMMs recScientific reports16961https://www.ebi.ac.uk/biostudies/studies/S-EPMC9551065biostudies-literatureActive control of dielectric singularities in indium-tin-oxides hyperbolic metamaterials.PMC9551065Parka JChodorow UCaputo RCaligiuri VSielezin KPianelli ADudek MKowerdziej RDe Luca AfalseActive control of dielectric singularities in indium-tin-oxides hyperbolic metamaterials.Dielectric singularities (DSs) constitute one of the most exotic features occurring in the effective permittivity of artificial multilayers called hyperbolic metamaterials (HMMs). Associated to DSs, a rich phenomenology arises that justifies the ever-increasing interest profuse by the photonic community in achieving an active control of their properties. As an example, the possibility to "canalize" light down to the nanoscale as well as the capability of HMMs to interact with quantum emitters, placed in their proximity, enhancing their emission rate (Purcell effect), are worth mentioning. HMMs, however, suffer of an intrinsic lack of tunability of its DSs. Several architectures have been proposed to overcome this limit and, among them, the use of graphene outstands. Graphene-based HMMs rec2022-01-01T00:00:00Z2022 Oct2025-04-05T12:19:03.564Z2025-04-05T12:19:03.564ZS-EPMC95510653621701910.1038/s41598-022-21252-x