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Long-Wave Infrared Discrete Multitone Free-Space Transmission Using a 9.15-μm Quantum Cascade Laser
Beijing Jiaotong University, China; KTH Royal Institute of Technology, Sweden.
KTH Royal Institute of Technology, Sweden.ORCID iD: 0000-0002-3822-1082
Beijing Jiaotong University, China.
RISE Research Institutes of Sweden, Digital Systems, Industrial Systems.ORCID iD: 0000-0001-5783-8996
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2023 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 35, no 9, p. 489-492Article in journal (Refereed) Published
Abstract [en]

A free-space optical (FSO) transmission system is experimentally demonstrated in the long-wave infrared (LWIR, 9.15μ m ) using a directly modulated quantum cascade laser (DM-QCL) and a commercial mercury-cadmium-telluride infrared photovoltaic detector. At room temperature, the DM-QCL is current-modulated by discrete multitone signals pre-processed with bit-/power-loading. Up to 5.1 Gbit/s data rate is achieved with bit error rate performance below the 6.25% overhead hard-decision forward error correction limit of 4.5× 10-3 , enabled by a frequency domain equalizer. The stability study of the FSO system is also performed at multiple temperature values. This study can provide a valuable reference for future terrestrial and space communications. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2023. Vol. 35, no 9, p. 489-492
Keywords [en]
discrete multitone, Free-space optical communication, long-wave infrared, quantum cascade laser, Bit error rate, Cadmium telluride, Energy utilization, Error correction, Frequency domain analysis, II-VI semiconductors, Infrared devices, Infrared radiation, Optical communication, Quantum cascade lasers, Signal to noise ratio, Directly modulated, Discrete multi-tone, Free Space Optical communication, Free-space optical, Free-space transmission, Infrared photovoltaic, Longwave infrared, Mercury cadmium telluride, Optical transmission systems, Photovoltaic detector, Temperature measurement
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-64316DOI: 10.1109/LPT.2023.3257843Scopus ID: 2-s2.0-85151573015OAI: oai:DiVA.org:ri-64316DiVA, id: diva2:1755517
Note

Correspondence Address: Pang, X.; Rise Research Institutes of Sweden, Sweden; Funding details: 828893; Funding details: European Cooperation in Science and Technology, COST; Funding details: National Natural Science Foundation of China, NSFC, 61775015, U2006217; Funding details: VINNOVA, 2022-02545; Funding details: Vetenskapsrådet, VR, 2019-05197, 2022-04798; Funding details: China Scholarship Council, CSC, 202107090113; Funding details: National Key Research and Development Program of China, NKRDPC, 2018YFB1801500; Funding text 1: This work was supported in part by the National Natural Science Foundation of China under Grant U2006217 and Grant 61775015, in part by the China Scholarship Council under Grant 202107090113, in part by the EU H2020 cFLOW Project under Grant 828893, in part by the National Key Research and Development Program of China under Grant 2018YFB1801500, in part by the Swedish Research Council (VR) Project under Grant 2019-05197 and Grant 2022-04798, and in part by the COST Action CA19111 NEWFOCUS through VINNOVA -funded Project under Grant 2022-02545.

Available from: 2023-05-08 Created: 2023-05-08 Last updated: 2024-04-10Bibliographically approved

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Fan, YuchuanOzolins, OskarsPang, Xiaodan

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