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13 March 2024 Monolithic 850 nm VCSEL array for quantum key distribution via the BB84 and decoy state protocol
Michael Zimmer, Moritz Birkhold, Michael Jetter, Peter Michler
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Proceedings Volume PC12904, Vertical-Cavity Surface-Emitting Lasers XXVIII; PC1290402 (2024) https://doi.org/10.1117/12.3000679
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
In recent years, the need for secure data communication has increased. Here, quantum key distribution (QKD) offers fundamental advantages over classical key distribution. Despite its high level of security, QKD comes a long with numerous challenges regarding the application of single photons. In this view, the decoy state protocol offers the possibility to implement QKD using classical light sources such as semiconductor lasers. In this contribution we present the newest results of our approach for the realization of a monolithic 850 nm vertical-cavity surface-emitting laser (VCSEL) array capable for QKD via the BB84 and decoy state protocol.
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Michael Zimmer, Moritz Birkhold, Michael Jetter, and Peter Michler "Monolithic 850 nm VCSEL array for quantum key distribution via the BB84 and decoy state protocol", Proc. SPIE PC12904, Vertical-Cavity Surface-Emitting Lasers XXVIII, PC1290402 (13 March 2024); https://doi.org/10.1117/12.3000679
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KEYWORDS
Vertical cavity surface emitting lasers
Quantum key distribution
Photons
Quantum communication protocols
Quantum protocols
Polarization
Quantum security
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