Phase shifter based on two-dimensional electron system on a dielectric substrate

Author:

Dzhikirba K. R.1ORCID,Khudaiberdiev D. A.2ORCID,Shuvaev A.2ORCID,Astrakhantseva A. S.1ORCID,Kukushkin I. V.1ORCID,Muravev V. M.1ORCID

Affiliation:

1. Institute of Solid State Physics, RAS 1 , Chernogolovka 142432, Russia

2. Institute of Solid State Physics, Vienna University of Technology 2 , 1040 Vienna, Austria

Abstract

We experimentally investigate phase shift gained by electromagnetic radiation transmitted through a two-dimensional electron system (2DES) on a dielectric substrate. We systematically examined the dependence of the phase shift on the radiation frequency and 2DES electron density for the GaAs semiconductor substrate. A theoretical approach was developed that found good agreement with experimental results. We demonstrate a practically achievable phase shift of 105°. Obtained findings pave the way for the design of terahertz devices that can manipulate the radiation phase in a controlled and precise manner.

Funder

Russian Science Foundation

Publisher

AIP Publishing

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