Ultrafast polariton-phonon dynamics of strongly coupled quantum dot-nanocavity systems

Kai Müller, Kevin A. Fischer, Armand Rundquist, Constantin Dory, Konstantinos G. Lagoudakis, Tomas Sarmiento, Yousif A. Kelaita, Victoria Borish, Jelena Vučković

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We investigate the influence of exciton-phonon coupling on the dynamics of a strongly coupled quantum dot-photonic crystal cavity system and explore the effects of this interaction on different schemes for nonclassical light generation. By performing time-resolved measurements, we map out the detuning-dependent polariton lifetime and extract the spectrum of the polariton-to-phonon coupling with unprecedented precision. Photon-blockade experiments for different pulse-length and detuning conditions (supported by quantum optical simulations) reveal that achieving high-fidelity photon blockade requires an intricate understanding of the phonons' influence on the system dynamics. Finally, we achieve direct coherent control of the polariton states of a strongly coupled system and demonstrate that their efficient coupling to phonons can be exploited for novel concepts in high-fidelity single-photon generation.
Original languageEnglish
Article number031006
Number of pages7
JournalPhysical Review X
Volume5
Issue number3
DOIs
Publication statusPublished - 16 Jul 2015

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polaritons
quantum dots
photons
phonons
time measurement
excitons
photonics
life (durability)
cavities
pulses
crystals
simulation
interactions

Keywords

  • condensed matter
  • photonics
  • quantum physics

Cite this

Müller, K., Fischer, K. A., Rundquist, A., Dory, C., Lagoudakis, K. G., Sarmiento, T., ... Vučković, J. (2015). Ultrafast polariton-phonon dynamics of strongly coupled quantum dot-nanocavity systems. Physical Review X, 5(3), [031006]. https://doi.org/10.1103/PhysRevX.5.031006
Müller, Kai ; Fischer, Kevin A. ; Rundquist, Armand ; Dory, Constantin ; Lagoudakis, Konstantinos G. ; Sarmiento, Tomas ; Kelaita, Yousif A. ; Borish, Victoria ; Vučković, Jelena. / Ultrafast polariton-phonon dynamics of strongly coupled quantum dot-nanocavity systems. In: Physical Review X. 2015 ; Vol. 5, No. 3.
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Müller, K, Fischer, KA, Rundquist, A, Dory, C, Lagoudakis, KG, Sarmiento, T, Kelaita, YA, Borish, V & Vučković, J 2015, 'Ultrafast polariton-phonon dynamics of strongly coupled quantum dot-nanocavity systems', Physical Review X, vol. 5, no. 3, 031006. https://doi.org/10.1103/PhysRevX.5.031006

Ultrafast polariton-phonon dynamics of strongly coupled quantum dot-nanocavity systems. / Müller, Kai; Fischer, Kevin A.; Rundquist, Armand; Dory, Constantin; Lagoudakis, Konstantinos G.; Sarmiento, Tomas; Kelaita, Yousif A.; Borish, Victoria; Vučković, Jelena.

In: Physical Review X, Vol. 5, No. 3, 031006, 16.07.2015.

Research output: Contribution to journalArticle

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AU - Fischer, Kevin A.

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AU - Sarmiento, Tomas

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