Fundamental Limits to Coherent Photon Generation with Solid-State Atomlike Transitions

Z. X. Koong, D. Scerri, M. Rambach, T. S. Santana, S. I. Park, J. D. Song, E. M. Gauger, B. D. Gerardot

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Abstract

Coherent generation of indistinguishable single photons is crucial for many quantum communication and processing protocols. Solid-state realizations of two-level atomic transitions or three-level spin-Λ systems offer significant advantages over their atomic counterparts for this purpose, albeit decoherence can arise due to environmental couplings. One popular approach to mitigate dephasing is to operate in the weak-excitation limit, where the excited-state population is minimal and coherently scattered photons dominate over incoherent emission. Here we probe the coherence of photons produced using two-level and spin-Λ solid-state systems. We observe that the coupling of the atomiclike transitions to the vibronic transitions of the crystal lattice is independent of the driving strength, even for detuned excitation using the spin-Λ configuration. We apply a polaron master equation to capture the non-Markovian dynamics of the vibrational manifolds. These results provide insight into the fundamental limitations to photon coherence from solid-state quantum emitters.

Original languageEnglish
Article number167402
JournalPhysical Review Letters
Volume123
Issue number16
DOIs
Publication statusPublished - 16 Oct 2019

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solid state
photons
excitation
quantum communication
crystal lattices
emitters
probes
configurations

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Koong, Z. X. ; Scerri, D. ; Rambach, M. ; Santana, T. S. ; Park, S. I. ; Song, J. D. ; Gauger, E. M. ; Gerardot, B. D. / Fundamental Limits to Coherent Photon Generation with Solid-State Atomlike Transitions. In: Physical Review Letters. 2019 ; Vol. 123, No. 16.
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Fundamental Limits to Coherent Photon Generation with Solid-State Atomlike Transitions. / Koong, Z. X.; Scerri, D.; Rambach, M.; Santana, T. S.; Park, S. I.; Song, J. D.; Gauger, E. M.; Gerardot, B. D.

In: Physical Review Letters, Vol. 123, No. 16, 167402, 16.10.2019.

Research output: Contribution to journalArticle

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