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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2602.13955 |
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| _version_ | 1866911449605996544 |
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| author | Chen, Yuanbin Yuen, Chau See, Chong Meng Samson |
| author_facet | Chen, Yuanbin Yuen, Chau See, Chong Meng Samson |
| contents | Rydberg atomic receivers hold extremely high sensitivity to electric fields, yet their effective 3-dB baseband bandwidth under conventional electromagnetically induced transparency (EIT) is typically constrained to tens to a few hundreds of kilohertz, which hinders wideband wireless applications. To relax this bottleneck, we investigate a six-wave mixing (SWM)-based Rydberg atomic receiver as a wideband radio frequency (RF)-to-optical quantum transducer. Specifically, we develop an explicit baseband input-output model spanning from the probe input to the output light field. Based upon this model, a closed-form 3-dB bandwidth expression is derived to expose its dependence on key optical and RF parameters. We further quantify the linear dynamic range by employing the 1-dB compression point (P1dB) and the input-referred third-order intercept point (IIP3), unveiling a communication-compatible characterization of the bandwidth-linearity trade-off. Finally, our numerical results demonstrate that, given identical optical driving conditions, the SWM configuration increases the 3-dB baseband bandwidth by more than an order of magnitude compared to the EIT-based counterpart, while retaining comparable electric-field sensitivity and revealing a broad, tunable linear operating region. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_13955 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Wideband Quantum Transduction for Rydberg Atomic Receivers Using Six-Wave Mixing Chen, Yuanbin Yuen, Chau See, Chong Meng Samson Quantum Physics Information Theory Signal Processing Rydberg atomic receivers hold extremely high sensitivity to electric fields, yet their effective 3-dB baseband bandwidth under conventional electromagnetically induced transparency (EIT) is typically constrained to tens to a few hundreds of kilohertz, which hinders wideband wireless applications. To relax this bottleneck, we investigate a six-wave mixing (SWM)-based Rydberg atomic receiver as a wideband radio frequency (RF)-to-optical quantum transducer. Specifically, we develop an explicit baseband input-output model spanning from the probe input to the output light field. Based upon this model, a closed-form 3-dB bandwidth expression is derived to expose its dependence on key optical and RF parameters. We further quantify the linear dynamic range by employing the 1-dB compression point (P1dB) and the input-referred third-order intercept point (IIP3), unveiling a communication-compatible characterization of the bandwidth-linearity trade-off. Finally, our numerical results demonstrate that, given identical optical driving conditions, the SWM configuration increases the 3-dB baseband bandwidth by more than an order of magnitude compared to the EIT-based counterpart, while retaining comparable electric-field sensitivity and revealing a broad, tunable linear operating region. |
| title | Wideband Quantum Transduction for Rydberg Atomic Receivers Using Six-Wave Mixing |
| topic | Quantum Physics Information Theory Signal Processing |
| url | https://arxiv.org/abs/2602.13955 |