Multi GHz free space optics in the thermal-infrared atmospheric window

Carlo Sirtori

doi:10.1117/12.2650691

17 March 2023 Multi GHz free space optics in the thermal-infrared atmospheric window

Carlo Sirtori

Proceedings Volume PC12440, Novel In-Plane Semiconductor Lasers XXII; PC124400L (2023) https://doi.org/10.1117/12.2650691
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

High bit rate data transmission using Free Space Optics (FSO) is an interesting application that could open an entire unregulated range of optical frequencies for earth-to-earth or earth-to-sky communications. The advent of this technology requires a new set of semiconductor devices operating in 8 µm to 12 µm wavelength range that can be implemented in already existing communication systems. Using unipolar quantum optoelectronic devices, we have demonstrated data transmission with bitrate in excess of 20 Gbit s−1 in the thermal atmospheric window at ~ 10 μm wavelength. All our devices operate at room temperature and have an intrinsic frequency bandwidth of several GHz.

Conference Presentation

Citation Download Citation

Carlo Sirtori "Multi GHz free space optics in the thermal-infrared atmospheric window", Proc. SPIE PC12440, Novel In-Plane Semiconductor Lasers XXII, PC124400L (17 March 2023); https://doi.org/10.1117/12.2650691

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