  In this study, we investigate the potential of electronic interferometers for
probing the quantum state of electromagnetic radiation on a chip at
sub-nanosecond time scales. We propose to use single electron excitations
propagating within an electronic Mach-Zehnder interferometer in the
Aharonov-Bohm dominated regime. We discuss how information about the quantum
state of the electromagnetic radiation is encoded into the interference
contribution to the average outgoing electrical current. By investigating
squeezed radiation and single edge magnetoplasmons probed by Leviton pulses in
a realistic setup, we show that single electron interferometers have the
potential to probe quantum radiation in the time domain with sub-nanosecond to
pico-second time resolution. Our research could have significant implications
for probing the fundamental properties of light in the microwave to tera-Hertz
domains at extremely short time scales.
