Work

Transmission of THz radiation through InSb gratings of subwavelength apertures

Year: 2005

Type: article

Abstract: We demonstrate the extraordinary transmission of terahertz THz radiation through gratings of subwavelength apertures structured in indium antimonide InSb. This transmission can be attributed to the tunneling of surface plasmons polaritons which are excited in semiconductors at THz frequencies. By thermally controlling the permittivity of the grating the transmittance increases by more than one order of magnitude. This increase might be associated to the larger the skin depth in InSb at low temperatures, nwhich gives rise to a larger effective size of the apertures.

Source: Optics Express

DOI: 10.1364/opex.13.000847

Authors: Jaime G�mez Rivas, Christof Janke, Peter Haring Bolivar, Heinrich Kurz

Institution: RWTH Aachen University

Language: English

Topic: Terahertz technology and applications

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funders: European Commission, Deutsche Forschungsgemeinschaft