Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics
Abstract Free-space optical (FSO) communication technologies constitute a solution to cope with the bandwidth demand of future satellite-ground networks. They may overcome the RF bottleneck and attain data rates in the order of Tbit/s with only a handful of ground stations. Here, we demonstrate sing...
| Main Authors: | , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Publishing Group
2023-06-01
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| Series: | Light: Science & Applications |
| Online Access: | https://doi.org/10.1038/s41377-023-01201-7 |
| _version_ | 1797795542618603520 |
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| author | Yannik Horst Bertold Ian Bitachon Laurenz Kulmer Jannik Brun Tobias Blatter Jean-Marc Conan Aurélie Montmerle-Bonnefois Joseph Montri Béatrice Sorrente Caroline B. Lim Nicolas Védrenne Daniel Matter Loann Pommarel Benedikt Baeuerle Juerg Leuthold |
| author_facet | Yannik Horst Bertold Ian Bitachon Laurenz Kulmer Jannik Brun Tobias Blatter Jean-Marc Conan Aurélie Montmerle-Bonnefois Joseph Montri Béatrice Sorrente Caroline B. Lim Nicolas Védrenne Daniel Matter Loann Pommarel Benedikt Baeuerle Juerg Leuthold |
| author_sort | Yannik Horst |
| collection | DOAJ |
| description | Abstract Free-space optical (FSO) communication technologies constitute a solution to cope with the bandwidth demand of future satellite-ground networks. They may overcome the RF bottleneck and attain data rates in the order of Tbit/s with only a handful of ground stations. Here, we demonstrate single-carrier Tbit/s line-rate transmission over a free-space channel of 53.42 km between the Jungfraujoch mountain top (3700 m) in the Swiss Alps and the Zimmerwald Observatory (895 m) near the city of Bern, achieving net-rates of up to 0.94 Tbit/s. With this scenario a satellite-ground feeder link is mimicked under turbulent conditions. Despite adverse conditions high throughput was achieved by employing a full adaptive optics system to correct the distorted wavefront of the channel and by using polarization-multiplexed high-order complex modulation formats. It was found that adaptive optics does not distort the reception of coherent modulation formats. Also, we introduce constellation modulation – a new four-dimensional BPSK (4D-BPSK) modulation format as a technique to transmit high data rates under lowest SNR. This way we show 53 km FSO transmission of 13.3 Gbit/s and 210 Gbit/s with as little as 4.3 and 7.8 photons per bit, respectively, at a bit-error ratio of 1 ∙ 10−3. The experiments show that advanced coherent modulation coding in combination with full adaptive optical filtering are proper means to make next-generation Tbit/s satellite communications practical. |
| first_indexed | 2024-03-13T03:19:32Z |
| format | Article |
| id | doaj.art-d250acc6556b4da08f62075c901a0f8f |
| institution | Directory Open Access Journal |
| issn | 2047-7538 |
| language | English |
| last_indexed | 2024-03-13T03:19:32Z |
| publishDate | 2023-06-01 |
| publisher | Nature Publishing Group |
| record_format | Article |
| series | Light: Science & Applications |
| spelling | doaj.art-d250acc6556b4da08f62075c901a0f8f2023-06-25T11:29:42ZengNature Publishing GroupLight: Science & Applications2047-75382023-06-0112111210.1038/s41377-023-01201-7Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive opticsYannik Horst0Bertold Ian Bitachon1Laurenz Kulmer2Jannik Brun3Tobias Blatter4Jean-Marc Conan5Aurélie Montmerle-Bonnefois6Joseph Montri7Béatrice Sorrente8Caroline B. Lim9Nicolas Védrenne10Daniel Matter11Loann Pommarel12Benedikt Baeuerle13Juerg Leuthold14ETH Zurich, Institute of Electromagnetic Fields (IEF)ETH Zurich, Institute of Electromagnetic Fields (IEF)ETH Zurich, Institute of Electromagnetic Fields (IEF)ETH Zurich, Institute of Electromagnetic Fields (IEF)ETH Zurich, Institute of Electromagnetic Fields (IEF)ONERA, DOTA, Paris Saclay UniversityONERA, DOTA, Paris Saclay UniversityONERA, DOTA, Paris Saclay UniversityONERA, DOTA, Paris Saclay UniversityONERA, DOTA, Paris Saclay UniversityONERA, DOTA, Paris Saclay UniversityThales Alenia Space in SwitzerlandThales Alenia Space in SwitzerlandETH Zurich, Institute of Electromagnetic Fields (IEF)ETH Zurich, Institute of Electromagnetic Fields (IEF)Abstract Free-space optical (FSO) communication technologies constitute a solution to cope with the bandwidth demand of future satellite-ground networks. They may overcome the RF bottleneck and attain data rates in the order of Tbit/s with only a handful of ground stations. Here, we demonstrate single-carrier Tbit/s line-rate transmission over a free-space channel of 53.42 km between the Jungfraujoch mountain top (3700 m) in the Swiss Alps and the Zimmerwald Observatory (895 m) near the city of Bern, achieving net-rates of up to 0.94 Tbit/s. With this scenario a satellite-ground feeder link is mimicked under turbulent conditions. Despite adverse conditions high throughput was achieved by employing a full adaptive optics system to correct the distorted wavefront of the channel and by using polarization-multiplexed high-order complex modulation formats. It was found that adaptive optics does not distort the reception of coherent modulation formats. Also, we introduce constellation modulation – a new four-dimensional BPSK (4D-BPSK) modulation format as a technique to transmit high data rates under lowest SNR. This way we show 53 km FSO transmission of 13.3 Gbit/s and 210 Gbit/s with as little as 4.3 and 7.8 photons per bit, respectively, at a bit-error ratio of 1 ∙ 10−3. The experiments show that advanced coherent modulation coding in combination with full adaptive optical filtering are proper means to make next-generation Tbit/s satellite communications practical.https://doi.org/10.1038/s41377-023-01201-7 |
| spellingShingle | Yannik Horst Bertold Ian Bitachon Laurenz Kulmer Jannik Brun Tobias Blatter Jean-Marc Conan Aurélie Montmerle-Bonnefois Joseph Montri Béatrice Sorrente Caroline B. Lim Nicolas Védrenne Daniel Matter Loann Pommarel Benedikt Baeuerle Juerg Leuthold Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics Light: Science & Applications |
| title | Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics |
| title_full | Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics |
| title_fullStr | Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics |
| title_full_unstemmed | Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics |
| title_short | Tbit/s line-rate satellite feeder links enabled by coherent modulation and full-adaptive optics |
| title_sort | tbit s line rate satellite feeder links enabled by coherent modulation and full adaptive optics |
| url | https://doi.org/10.1038/s41377-023-01201-7 |
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