Hybrid LiDAR–radar at 9 μm wavelength with unipolar quantum optoelectronic devices

Unipolar quantum optoelectronics is emerging as a promising semiconductor platform for developing mid-infrared applications, particularly spectroscopy and free-space communications. In this work, we present a proof of principle of a unipolar quantum optoelectronic hybrid Lidar - Radar for the measurement of the position and speed of a moving target. The system operates at 9 µm wavelength and is composed of a quantum cascade laser, a Stark modulator and a metamaterial quantum well infrared photodetector. The laser amplitude is modulated with a chirped radio-frequency subcarrier, and the backscattered light is detected coherently on the metamaterial quadratic receiver. With our system we have measured a ranging distance of 150 cm with an intrinsic resolution of 15 cm. Our demonstration is a first milestone towards combined communication and ranging systems in a transparency window of the atmosphere.

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Publication Details

Journal
Nanophotonics
Published
2025-08-30
DOI
https://doi.org/10.1515/nanoph-2025-0265
Citations
2
Primary Topic
Spectroscopy and Laser Applications
Type
article
Field-Weighted Citation Impact
1.51

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article

Hybrid LiDAR–radar at 9 μm wavelength with unipolar quantum optoelectronic devices

Jihye Baik, Konstantinos Pantzas, Carlo Sirtori, Livia Del Balzo et al.
2 citations
Nanophotonics
Spectroscopy and Laser Applications
1.51
article

Hybrid LiDAR–radar at 9 μm wavelength with unipolar quantum optoelectronic devices

Jihye Baik, Konstantinos Pantzas, Carlo Sirtori, Livia Del Balzo, Angela Vasanelli, Djamal Gacemi, Axel Evirgen, Bruno Martin, Isabelle Sagnes, G. Beaudoin
article en
2 citations

Abstract

Unipolar quantum optoelectronics is emerging as a promising semiconductor platform for developing mid-infrared applications, particularly spectroscopy and free-space communications. In this work, we present a proof of principle of a unipolar quantum optoelectronic hybrid Lidar - Radar for the measurement of the position and speed of a moving target. The system operates at 9 µm wavelength and is composed of a quantum cascade laser, a Stark modulator and a metamaterial quantum well infrared photodetector. The laser amplitude is modulated with a chirped radio-frequency subcarrier, and the backscattered light is detected coherently on the metamaterial quadratic receiver. With our system we have measured a ranging distance of 150 cm with an intrinsic resolution of 15 cm. Our demonstration is a first milestone towards combined communication and ranging systems in a transparency window of the atmosphere.

NanophotonicsVol. 14(21)
Centre National de la Recherche Scientifique (FR), Université Paris Cité (FR), Université Paris-Saclay (FR), Thales (Australia) (AU), École Normale Supérieure - PSL (FR), Sorbonne Université (FR), Sorbonne Paris Cité (FR), Centre de Nanosciences et de Nanotechnologies (FR), École Normale Supérieure (BI), III V Lab (FR)
Agence Nationale de la Recherche
Openalex Percentile: Top 16%
Spectroscopy and Laser Applications
1.51
DOIOpen Access PDFOpenAlex
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