What all types of Antenna possible for Terahertz frequency and also those which can integrated with RTD?

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Chanchala Kumari

u can go for a photoconductive antenna for the generation of THz. but it is very costly.operation is simple but we need a femtosecond laser source to generate the THz signal.

Vadym Slyusar

For THz can used nanowire dipole and monople antennas, dielectric resonators antennas as well.

This is rewiev article about nanoantennas:

http://www.electronics.ru/files/article_pdf/0/article_178_132.pdf