Abstract
Microwave pulses, with terahertz bandwidth and picosecond duration, can be generated using standard femtosecond laser techniques, and detected using a 1/2 wave dipole antenna.1.2 This antenna is typically 100 μm long and fabricated on a short carrier lifetime substrate, such as ion-implanted silicon on sapphire. The received signal is then electrically gated with the same femtosecond laser that is used to generate the RF.
© 1991 Optical Society of America
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