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Advanced Modulation Formats for Long-wave Infrared Free-space Optical Communication
China United Network Communications Group Corporation Limited, Beijing, China; China Unicom Research Institute and National Engineering Research Center of Next Generation Internet Broadband Service Application, Beijing, China.
Institute of Lightwave Technology, Key Lab of All Optical Network & Advanced Telecommunication Network, Ministry of Education, Beijing Jiaotong University, Beijing, China.
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0003-3056-4678
KTH, School of Engineering Sciences (SCI), Applied Physics.ORCID iD: 0000-0002-8545-6546
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2025 (English)In: 2025 23rd International Conference on Optical Communications and Networks, ICOCN 2025, Institute of Electrical and Electronics Engineers (IEEE) , 2025Conference paper, Published paper (Refereed)
Abstract [en]

We experimentally demonstrate the LWIR FSO communication with advanced modulation formats. Up to 8.4 Gbit/s PAM8 and 5.5 Gbit/s DMT transmission is achieved with 9.15-μm directly-modulated quantum cascade laser and MCT detector at room temperature.
Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2025.
Keywords [en]
Discrete Multi Tone, Long-wave Infrared, Pulse Amplitude Modulation, Quantum Cascade Laser
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-371727DOI: 10.1109/ICOCN67308.2025.11145664Scopus ID: 2-s2.0-105016997380OAI: oai:DiVA.org:kth-371727DiVA, id: diva2:2007078
Conference
23rd International Conference on Optical Communications and Networks, ICOCN 2025, Zhangjiajie, China, Jul 28 2025 - Jul 31 2025
Note

Part of ISBN 979-8-3315-4875-9

QC 20251017

Available from: 2025-10-17 Created: 2025-10-17 Last updated: 2025-10-17Bibliographically approved

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Schatz, RichardSun, Yan-TingOzolins, Oskars

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