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arXiv · 2610.06451

A programmable quantum photonic platform integrating coherent emitters

Hanna Salamon·Mikkel T. Mikkelsen·Zhe Liu·Peter Lodahl·Severin Krüger·Arne Ludwig·Leonardo Midolo
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Abstract

Photonic quantum technologies require the integration of high-quality quantum light sources with programmable photonic circuitry to enable on-chip quantum information processing. Semiconductor quantum dots have emerged as a leading platform for quantum light generation, yet their monolithic integration with cryogenic-compatible, programmable photonic circuitry remains challenging. Here we demonstrate a programmable quantum photonic platform that enables simultaneous control of highly coherent quantum dot-based single photon emitters and reconfigurable optical elements at cryogenic temperatures. System-level integration enables individual electrical and optical addressing of active components on a single chip, allowing their concurrent operation while preserving coherent non-classical light emission. We demonstrate multiple quantum-photonic functionalities, including pure single-photon generation, two-photon interference, and resonant transmission and reflection measurements of integrated emitters. These results mark a step from isolated quantum-optical devices towards programmable quantum-photonic hardware platforms capable of combining coherent quantum emitters with large-scale photonic functionality.

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Hanna Salamon, Mikkel T. Mikkelsen, Zhe Liu, Peter Lodahl, Severin Krüger, Arne Ludwig, Leonardo Midolo. 2026-10-05. A programmable quantum photonic platform integrating coherent emitters. https://arxiv.org/abs/2610.06451

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