Enhanced Ground-Satellite Direct Access via Onboard Rydberg Atomic Quantum Receivers
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912883686768640 |
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| author | Peng, Qihao Gong, Tierui Song, Zihang Luo, Qu Lin, Zihuai Xiao, Pei Yuen, Chau |
| author_facet | Peng, Qihao Gong, Tierui Song, Zihang Luo, Qu Lin, Zihuai Xiao, Pei Yuen, Chau |
| contents | Ground-satellite links for 6G networks face critical challenges, including severe path loss, tight size-weight-power limits, and congested spectrum, all of which significantly hinder the performance of traditional radio frequency (RF) front ends. This article introduces the Rydberg Atomic Quantum Receiver (RAQR) for onboard satellite systems, a millimeter-scale front end that converts radio fields to optical signals through atomic electromagnetically induced transparency. RAQR's high sensitivity and high frequency selectivity address link budget, payload, and interference challenges while fitting within space constraints. A hybrid atomic-electronic design and supporting signal model demonstrate enhanced data rate, coverage, and sensing accuracy relative to conventional RF receivers. The article concludes with integration strategies, distributed-satellite concepts, and open research problems for bringing RAQR-enabled satellite payloads into service. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_17290 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Enhanced Ground-Satellite Direct Access via Onboard Rydberg Atomic Quantum Receivers Peng, Qihao Gong, Tierui Song, Zihang Luo, Qu Lin, Zihuai Xiao, Pei Yuen, Chau Systems and Control Ground-satellite links for 6G networks face critical challenges, including severe path loss, tight size-weight-power limits, and congested spectrum, all of which significantly hinder the performance of traditional radio frequency (RF) front ends. This article introduces the Rydberg Atomic Quantum Receiver (RAQR) for onboard satellite systems, a millimeter-scale front end that converts radio fields to optical signals through atomic electromagnetically induced transparency. RAQR's high sensitivity and high frequency selectivity address link budget, payload, and interference challenges while fitting within space constraints. A hybrid atomic-electronic design and supporting signal model demonstrate enhanced data rate, coverage, and sensing accuracy relative to conventional RF receivers. The article concludes with integration strategies, distributed-satellite concepts, and open research problems for bringing RAQR-enabled satellite payloads into service. |
| title | Enhanced Ground-Satellite Direct Access via Onboard Rydberg Atomic Quantum Receivers |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2510.17290 |