META 2021, META'12

Font Size: 
Terahertz active transmission-line metamaterial antennas
Benjamin S. Williams, Amir Ali Tavallaee, Philip W. C. Hon, Zhijun Liu, Qisheng Chen, Tatsuo Itoh

Last modified: 2011-12-05


The paradigm for composite right/left handed (CRLH) transmission line 1D and 2D planar metamaterials developed in the microwave can be adapted to the THz frequency range and implemented in THz quantum-cascade (QC) laser metal-metal waveguide. In particular, these concepts can be used to design resonators and antennas for sub-wavelength THz QC-lasers. We present a leaky-wave antenna for a THz QC-laser that steers a beam in the forward direction as the laser frequency is changed near 2.7 THz, and propose a fully balanced CRLH design suitable for backward to forward beam steering.


metamaterials; quantum cascade laser; leaky wave antenna