Emitters of $N$-photon bundles
Abstract
We propose a scheme based on the coherent excitation of a two-level system in a cavity to generate an ultrabright CW and focused source of quantum light that comes in groups (bundles) of photons, for an integer tunable with the frequency of the exciting laser. We define a new quantity, the \emph{purity} of -photon emission, to describe the percentage of photons emitted in bundles, thus bypassing the limitations of Glauber correlation functions. We focus on the case and show that close to 100% of two-photon emission and 90% of three-photon emission is within reach of state of the art cavity QED samples. The statistics of the bundles emission shows that various regimes---from -photon lasing to -photon guns---can be realized. This is evidenced through generalized correlation functions that extend the standard definitions to the multi-photon level.
Cite
@article{arxiv.1306.1578,
title = {Emitters of $N$-photon bundles},
author = {C. Sánchez Muñoz and E. del Valle and A. González Tudela and S. Lichtmannecker and K. Müller and M. Kaniber and C. Tejedor and J. J. Finley and F. P. Laussy},
journal= {arXiv preprint arXiv:1306.1578},
year = {2014}
}
Comments
Introduce the n-th order N-photon correlation functions. Reorganized to emphasize the N-photon emitter, now extended to the antibunching regime, rather than only coherent emission as previsouly