Two-photon interference from remote deterministic quantum dot microlenses

doi:10.1063/1.4973504

2017-01-03

DOI：10.1063/1.4973504

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摘要

En 中文

We report on two-photon interference (TPI) experiments using remote deterministic single-photon sources. Employing 3D in-situ electron-beam lithography, we fabricate quantum-light sources at specific target wavelengths by integrating pre-selected semiconductor quantum dots within monolithic microlenses. The individual single-photon sources show TPI visibilities of 49% and 22%, respectively, under pulsed p-shell excitation at 80 MHz. For the mutual TPI of the remote sources, we observe an uncorrected visibility of 29%, in quantitative agreement with the pure dephasing of the individual sources. Due to its efficient photon extraction within a broad spectral range (> 20 nm), our microlens-based approach is predestinated for future entanglement swapping experiments utilizing entangled photon pairs emitted by distant biexciton-exciton radiative cascades. Published by AIP Publishing.

Keyword:

SOLID-STATE

PHOTON

GENERATION

EMISSION

EMITTERS

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期刊

Applied Physics Letters

IF:

3.6

论文数:

10.4W

被引数:

17.8W

机构

Technical University of Berlin

学者数:

1.3W

论文数: 1.1W

被引数: 18

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