High-brightness narrowband tunable fiber laser for quantum dot excitation

Niklas M. Lüpken; Maximilian Brinkmann; Sven Dobner; Tim Hellwig

doi:10.1117/12.2649826

9 March 2023 High-brightness narrowband tunable fiber laser for quantum dot excitation

Niklas M. Lüpken, Maximilian Brinkmann, Sven Dobner, Tim Hellwig

Proceedings Volume PC12446, Quantum Computing, Communication, and Simulation III; PC124460X (2023) https://doi.org/10.1117/12.2649826
Event: SPIE Quantum West, 2023, San Francisco, California, United States

Abstract

We present a novel turn-key portable fiber laser for efficient quantum dot excitation to generate single photons. The laser combines a mode-hop-free and alignment-free tunability between 770 nm to 980 nm with a high pulse-to-pulse coherence of 98%. Second order correlation measurements demonstrate a high single photon purity. The laser shows long-term power stability with a standard deviation of less than 0.3% and wavelength stability of better than 5 pm. This development constitutes an essential step for advancing single-photon sources based on quantum dots in terms of integrability and ease of use for research applications and commercial quantum computing.

Conference Presentation

Citation Download Citation

Niklas M. Lüpken, Maximilian Brinkmann, Sven Dobner, and Tim Hellwig "High-brightness narrowband tunable fiber laser for quantum dot excitation", Proc. SPIE PC12446, Quantum Computing, Communication, and Simulation III, PC124460X (9 March 2023); https://doi.org/10.1117/12.2649826

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