Resonance fluorescence of GaAs quantum dots with near-unity photon indistinguishability (Conference Presentation)

Lukas Hanschke; Eva Schöll; Lucas Schweickert; Katharina D. Zeuner; Marcus Reindl; Saimon Filipe Covre da Silva; Thomas Lettner; Rinaldo Trotta; Jonathan J. Finley; Kai Müller; Armando Rastelli; Val Zwiller; Klaus D. Jöns

doi:10.1117/12.2550116

17 March 2020 Resonance fluorescence of GaAs quantum dots with near-unity photon indistinguishability (Conference Presentation)

Lukas Hanschke, Eva Schöll, Lucas Schweickert, Katharina D. Zeuner, Marcus Reindl, Saimon Filipe Covre da Silva, Thomas Lettner, Rinaldo Trotta, Jonathan J. Finley, Kai Müller, Armando Rastelli, Val Zwiller, Klaus D. Jöns

Author Affiliations +

Proceedings Volume 11278, Ultrafast Phenomena and Nanophotonics XXIV; 112780W (2020) https://doi.org/10.1117/12.2550116
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

We investigate the indistinguishability of single photons generated from strain-free GaAs/AlGaAs quantum dots using pulsed resonance fluorescence techniques. In pulsed two-photon interference measurements we observe a single photon indistinguishability with a raw visibility of 95%. This can be traced back to the short intrinsic lifetime of excitons and trions confined in the GaAs quantum dots and demonstrates that for this material system the generation of single photons is possible with near-unity indistinguishability even without Purcell enhancement.

Conference Presentation

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Lukas Hanschke, Eva Schöll, Lucas Schweickert, Katharina D. Zeuner, Marcus Reindl, Saimon Filipe Covre da Silva, Thomas Lettner, Rinaldo Trotta, Jonathan J. Finley, Kai Müller, Armando Rastelli, Val Zwiller, and Klaus D. Jöns "Resonance fluorescence of GaAs quantum dots with near-unity photon indistinguishability (Conference Presentation)", Proc. SPIE 11278, Ultrafast Phenomena and Nanophotonics XXIV, 112780W (17 March 2020); https://doi.org/10.1117/12.2550116

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