Microscopic theory of cavity-enhanced single-photon emission from optical two-photon Raman processes

Dominik Breddermann, Tom Praschan, Dirk Heinze, Rudolf Binder, Stefan Schumacher

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We consider cavity-enhanced single-photon generation from stimulated two-photon Raman processes in three-level systems. We compare four fundamental system configurations, one Λ-, one V-, and two ladder (Ξ-) configurations. These can be realized as subsystems of a single quantum dot or of quantum-dot molecules. For a new microscopic understanding of the Raman process, we analyze the Heisenberg equation of motion applying the cluster-expansion scheme. Within this formalism an exact and rigorous definition of a cavity-enhanced Raman photon via its corresponding Raman correlation is possible. This definition for example enables us to systematically investigate the on-demand potential of Raman-transition-based single-photon sources. The four system arrangements can be divided into two subclasses, Λ-type and V-type, which exhibit strongly different Raman-emission characteristics and Raman-emission probabilities. Moreover, our approach reveals whether the Raman path generates a single photon or just induces destructive quantum interference with other excitation paths. Based on our findings and as a first application, we gain a more detailed understanding of experimental data from the literature. Our analysis and results are also transferable to the case of atomic three-level-resonator systems and can be extended to more complicated multilevel schemes.

Original languageEnglish (US)
Article number125303
JournalPhysical Review B
Volume97
Issue number12
DOIs
StatePublished - Mar 6 2018

Fingerprint

Photons
cavities
photons
Semiconductor quantum dots
quantum dots
Ladders
configurations
ladders
Equations of motion
Resonators
equations of motion
resonators
formalism
interference
Molecules
expansion
excitation
molecules

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Microscopic theory of cavity-enhanced single-photon emission from optical two-photon Raman processes. / Breddermann, Dominik; Praschan, Tom; Heinze, Dirk; Binder, Rudolf; Schumacher, Stefan.

In: Physical Review B, Vol. 97, No. 12, 125303, 06.03.2018.

Research output: Contribution to journalArticle

Breddermann, Dominik ; Praschan, Tom ; Heinze, Dirk ; Binder, Rudolf ; Schumacher, Stefan. / Microscopic theory of cavity-enhanced single-photon emission from optical two-photon Raman processes. In: Physical Review B. 2018 ; Vol. 97, No. 12.
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