BACKGROUND All references cited in this specification, and their refer ences, are
incorporated by reference herein where appropri ate for teachings of additional or
alternative details, features, and/or technical background. More specifically, US Pat. No.
7,741,921 “Trigger-Mode Distributed Wave Oscillator”(TMDWO), US Pub.
2012/0169427,“Force-Mode Distrib uted Wave Oscillator and Amplifier Systems”(FMDWO),
and US application Ser. No. 12/374,165 “Pumped Distrib uted Wave Oscillator …

TeraHertz signal generation system based on traveling-wave oscillators providing extraction
of orders of magnitude higher oscillation frequencies resulting in frequency multi pliers and
THZ transceivers that can generate, transmit and sense THz frequency signals for
sensing/imaging.