Homodyne detection for pulse-by-pulse squeezing measurements
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arXiv
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| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911251845611520 |
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| author | Kouadou, Tiphaine Gozlan, Elie Garcia, Loïc Polizzi, David Fainsin, David Paparelle, Iris Celis, R. L. Rincón Oriot, Bastien Aad, Anthony Abi Namdar, Peter Roland, Ganaël Treps, Nicolas Argence, Bérengère Parigi, Valentina |
| author_facet | Kouadou, Tiphaine Gozlan, Elie Garcia, Loïc Polizzi, David Fainsin, David Paparelle, Iris Celis, R. L. Rincón Oriot, Bastien Aad, Anthony Abi Namdar, Peter Roland, Ganaël Treps, Nicolas Argence, Bérengère Parigi, Valentina |
| contents | Homodyne detection is a phase-sensitive measurement technique, essential for the characterization of continuous-variable (CV)-encoded quantum states of light. It is a key component to the implementation of CV quantum-information protocols and benefits from operating, by design, at room temperature. However, performing high-speed quantum information processing remains a major challenge, as conventional homodyne detectors often fail to sustain pulsed operation at high repetition rates due to electronic limitations. We present wideband homodyne detectors operating at near-infrared (NIR) and telecom wavelengths, with optimized performance at repetition rates up to 150 MHz. We demonstrate their performance by resolving the pulse-by-pulse structure of squeezed states of light at telecom wavelengths while preserving their spectral multimode properties. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_04578 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Homodyne detection for pulse-by-pulse squeezing measurements Kouadou, Tiphaine Gozlan, Elie Garcia, Loïc Polizzi, David Fainsin, David Paparelle, Iris Celis, R. L. Rincón Oriot, Bastien Aad, Anthony Abi Namdar, Peter Roland, Ganaël Treps, Nicolas Argence, Bérengère Parigi, Valentina Quantum Physics Homodyne detection is a phase-sensitive measurement technique, essential for the characterization of continuous-variable (CV)-encoded quantum states of light. It is a key component to the implementation of CV quantum-information protocols and benefits from operating, by design, at room temperature. However, performing high-speed quantum information processing remains a major challenge, as conventional homodyne detectors often fail to sustain pulsed operation at high repetition rates due to electronic limitations. We present wideband homodyne detectors operating at near-infrared (NIR) and telecom wavelengths, with optimized performance at repetition rates up to 150 MHz. We demonstrate their performance by resolving the pulse-by-pulse structure of squeezed states of light at telecom wavelengths while preserving their spectral multimode properties. |
| title | Homodyne detection for pulse-by-pulse squeezing measurements |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.04578 |