Multi-photon electron emission with non-classical light
- URL: http://arxiv.org/abs/2307.14153v1
- Date: Wed, 26 Jul 2023 12:35:03 GMT
- Title: Multi-photon electron emission with non-classical light
- Authors: Jonas Heimerl, Alexander Mikhaylov, Stefan Meier, Henrick H\"ollerer,
Ido Kaminer, Maria Chekhova and Peter Hommelhoff
- Abstract summary: We present measurements of electron number-distributions from metal needle tips illuminated with ultrashort light pulses of different photon quantum statistics.
Changing the number of modes of the exciting bright squeezed vacuum light, we can tailor the electron-number distribution on demand.
- Score: 52.77024349608834
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Photon number distributions from classical and non-classical light sources
have been studied extensively, yet their impact on photoemission processes is
largely unexplored. In this article, we present measurements of electron
number-distributions from metal needle tips illuminated with ultrashort light
pulses of different photon quantum statistics. By varying the photon statistics
of the exciting light field between classical (Poissonian) and quantum
(super-Poissonian), we demonstrate that the measured electron distributions are
changed substantially. Using single-mode bright squeezed vacuum light, we
measure extreme statistics events with up to 65 electrons from one light pulse
at a mean of 0.27 electrons per pulse - the likelihood for such an event equals
$10^{-128}$ with Poissonian statistics. Changing the number of modes of the
exciting bright squeezed vacuum light, we can tailor the electron-number
distribution on demand. Most importantly, our results demonstrate that the
photon statistics is imprinted from the driving light to the emitted electrons,
opening the door to new sensor devices and to strong-field quantum optics with
quantum light.
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