Multi-channel transmitters for free-space optical communication systems

Aleksandra Pasnikowska; Stanisław Stopiński; Anna Jusza; Krzysztof Anders; Łukasz Kustosz; Mariusz Rojewski; Ryszard Piramidowicz

doi:10.1117/12.3022544

20 June 2024 Multi-channel transmitters for free-space optical communication systems

Aleksandra Pasnikowska, Stanisław Stopiński, Anna Jusza, Krzysztof Anders, Łukasz Kustosz, Mariusz Rojewski, Ryszard Piramidowicz

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Proceedings Volume PC13002, Semiconductor Lasers and Laser Dynamics XI; PC1300209 (2024) https://doi.org/10.1117/12.3022544
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

This work presents photonic integrated multi-channel transmitters for free-space optical communication systems applications. The circuits were designed and fabricated using the generic indium phosphide technology, which offers integration of passive and active elements and light amplification within the classical telecom C and L bands. The transmitters comprise an array of DBR laser light sources connected to electro-absorption modulators and an arrayed waveguide grating used as a wavelength multiplexer. The validity of the applied solution was investigated and confirmed with high-speed transmission experiments, including BER and eye diagram measurements of one and two-channel operations. The performance of the transmitters has been verified in the back-to-back configuration, and the first tests of free-space optical transmission have also been performed. The obtained results confirm the applicability of integrated transmitters in novel FSOC systems.

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Aleksandra Pasnikowska, Stanisław Stopiński, Anna Jusza, Krzysztof Anders, Łukasz Kustosz, Mariusz Rojewski, and Ryszard Piramidowicz "Multi-channel transmitters for free-space optical communication systems", Proc. SPIE PC13002, Semiconductor Lasers and Laser Dynamics XI, PC1300209 (20 June 2024); https://doi.org/10.1117/12.3022544

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KEYWORDS

Transmitters

Free space optical communications

Telecommunications

Telecommunication networks

Optical transmission

Optical fibers

Optical testing

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