Elena del Valle, Juan Camilo López Carreño, Fabrice P. Laussy
Published 2018-02-13Version 1
While quantum mechanics precludes the perfect knowledge of so-called "conjugate" variables, such as time and frequency, we discuss the importance of compromising to retain a fair knowledge of their combined values. In the case of light, we show how time and frequency photon correlations allow us to identify a new type of photon emission, which can be used to design a new type of quantum source where we can choose the distribution in time and energy of the emitted photons.
Comments: This is a popular science paper submitted to the project "Quantum Leaps" (https://quantum-journal.org/leaps/), whose aim is to explain quantum research to teenagers
Quantum sources and a quantum coding theorem
Correlation function $g^{(k)}(0)$ and sub-$k$ photon emission
Photon emission via vacuum-dressed intermediate states under ultrastrong coupling
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