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- W4287210987 abstract "Whereas the Si photonic platform is highly attractive for scalable optical quantum information processing, it lacks practical solutions for efficient photon generation. Self-assembled semiconductor quantum dots (QDs) efficiently emitting photons in the telecom bands ($1460-1625$ nm) allow for heterogeneous integration with Si. In this work, we report on a novel, robust, and industry-compatible approach for achieving single-photon emission from InAs/InP QDs heterogeneously integrated with a Si substrate. As a proof of concept, we demonstrate a simple vertical emitting device, employing a metallic mirror beneath the QD emitter, and experimentally obtained photon extraction efficiencies of $sim10%$. Nevertheless, the figures of merit of our structures are comparable with values previously only achieved for QDs emitting at shorter wavelength or by applying technically demanding fabrication processes. Our architecture and the simple fabrication procedure allows for the demonstration of a single-photon generation with purity $mathcal{P}>98%$ at the liquid helium temperature and $mathcal{P}=75%$ at $80$ K." @default.
- W4287210987 created "2022-07-25" @default.
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- W4287210987 date "2021-04-15" @default.
- W4287210987 modified "2023-10-14" @default.
- W4287210987 title "Bright Quantum Dot Single-Photon Emitters at Telecom Bands Heterogeneously Integrated on Si" @default.
- W4287210987 doi "https://doi.org/10.48550/arxiv.2104.07589" @default.
- W4287210987 hasPublicationYear "2021" @default.
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