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

Dominik Breddermann, Tom Praschan, Dirk Heinze, Rolf Binder, and Stefan Schumacher
Phys. Rev. B 97, 125303 – Published 6 March 2018

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.

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  • Received 11 December 2017
  • Revised 19 February 2018

DOI:https://doi.org/10.1103/PhysRevB.97.125303

©2018 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Dominik Breddermann1, Tom Praschan1, Dirk Heinze1, Rolf Binder2, and Stefan Schumacher1,2,*

  • 1Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP), Paderborn University, Warburger Strasse 100, 33098 Paderborn, Germany
  • 2College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA

  • *stefan.schumacher@upb.de

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Issue

Vol. 97, Iss. 12 — 15 March 2018

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