Electron-phonon decoupling due to strong light-matter interactions
- URL: http://arxiv.org/abs/2007.14719v2
- Date: Wed, 9 Dec 2020 10:47:31 GMT
- Title: Electron-phonon decoupling due to strong light-matter interactions
- Authors: Emil V. Denning, Matias Bundgaard-Nielsen and Jesper Mork
- Abstract summary: Recent developments in nanophotonics allow exciton-cavity structures with very strong light-matter coupling rates to be fabricated.
We show that in such structures, a new regime emerges, where the decoherence is completely suppressed.
We identify a strategy for reaching near-unity photon indistinguishability and also discover an interesting phonon-dressing of the exciton-cavity polaritons in the high-Q regime.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Phonon interactions in solid-state photonics systems cause intrinsic quantum
decoherence and often present the limiting factor in emerging quantum
technology. Due to recent developments in nanophotonics, exciton-cavity
structures with very strong light-matter coupling rates can be fabricated. We
show that in such structures, a new regime emerges, where the decoherence is
completely suppressed due to decoupling of the dominant phonon process. Using a
numerically exact tensor network approach, we perform calculations in this
non-perturbative, non-Markovian dynamical regime. Here, we identify a strategy
for reaching near-unity photon indistinguishability and also discover an
interesting phonon-dressing of the exciton-cavity polaritons in the high-Q
regime, leading to multiple phonon sidebands when the light-matter interaction
is sufficiently strong.
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