Photodetection of Squeezed Light: a Whittaker-Shannon Analysis
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866914141409640448 |
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| author | Kranias, Jasper Drago, Christian Vendromin, Colin Sipe, J. E. |
| author_facet | Kranias, Jasper Drago, Christian Vendromin, Colin Sipe, J. E. |
| contents | The Whittaker-Shannon decomposition provides a temporally localized description of squeezed light, making it applicable in the CW limit and leading to a definition of squeezing strength based on the number of photon pairs at a time. We show examples of its usefulness by calculating quadrature variance in a homodyne detection scheme, coincidence detection probabilities in the continuous-wave limit, and analyzing the Hong-Ou-Mandel effect for strongly squeezed light. Quadrature uncertainty falls farther below the shot noise limit when squeezing is strong, but effects due to correlations between photon pairs are most significant with weak squeezing. Our analysis extends previous results to more general scenarios, and we leverage the Whittaker-Shannon formalism to interpret them based on the temporal properties of photon pairs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_04657 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Photodetection of Squeezed Light: a Whittaker-Shannon Analysis Kranias, Jasper Drago, Christian Vendromin, Colin Sipe, J. E. Quantum Physics The Whittaker-Shannon decomposition provides a temporally localized description of squeezed light, making it applicable in the CW limit and leading to a definition of squeezing strength based on the number of photon pairs at a time. We show examples of its usefulness by calculating quadrature variance in a homodyne detection scheme, coincidence detection probabilities in the continuous-wave limit, and analyzing the Hong-Ou-Mandel effect for strongly squeezed light. Quadrature uncertainty falls farther below the shot noise limit when squeezing is strong, but effects due to correlations between photon pairs are most significant with weak squeezing. Our analysis extends previous results to more general scenarios, and we leverage the Whittaker-Shannon formalism to interpret them based on the temporal properties of photon pairs. |
| title | Photodetection of Squeezed Light: a Whittaker-Shannon Analysis |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.04657 |