Advances in quantum metrology with dielectrically structured single photon sources based on molecules
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866914861313687552 |
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| author | Lombardi, Pietro Georgieva, Hristina Hirt, Franziska Mony, Juergen Duquennoy, Rocco Emadi, Ramin Aparicio, Maria Guadalupe Colautti, Maja López, Marco Kück, Stefan Toninelli, Costanza |
| author_facet | Lombardi, Pietro Georgieva, Hristina Hirt, Franziska Mony, Juergen Duquennoy, Rocco Emadi, Ramin Aparicio, Maria Guadalupe Colautti, Maja López, Marco Kück, Stefan Toninelli, Costanza |
| contents | In the realm of fundamental quantum science and technologies, non-classical states of light, such as single-photon Fock states, are widely studied. However, current standards and metrological procedures are not optimized for low light levels. Progress in this crucial scientific domain depends on innovative metrology approaches, utilizing reliable devices based on quantum effects. We present a new generation of molecule-based single photon sources, combining their integration in a polymeric micro-lens with pulsed excitation schemes, thereby realizing suitable resources in quantum radiometry. Our strategy enhances the efficiency of generated single photon pulses and improves stability, providing a portable source at 784.7 nm that maintains consistent performance even through a cooling and heating cycle. The calibration of a single photon avalanche detector is demonstrated using light sources with different photon statistics, and the advantages of the single-molecule device are discussed. A relative uncertainty on the intrinsic detection efficiency well below 1 % is attained, representing a new benchmark in the field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_05525 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Advances in quantum metrology with dielectrically structured single photon sources based on molecules Lombardi, Pietro Georgieva, Hristina Hirt, Franziska Mony, Juergen Duquennoy, Rocco Emadi, Ramin Aparicio, Maria Guadalupe Colautti, Maja López, Marco Kück, Stefan Toninelli, Costanza Quantum Physics In the realm of fundamental quantum science and technologies, non-classical states of light, such as single-photon Fock states, are widely studied. However, current standards and metrological procedures are not optimized for low light levels. Progress in this crucial scientific domain depends on innovative metrology approaches, utilizing reliable devices based on quantum effects. We present a new generation of molecule-based single photon sources, combining their integration in a polymeric micro-lens with pulsed excitation schemes, thereby realizing suitable resources in quantum radiometry. Our strategy enhances the efficiency of generated single photon pulses and improves stability, providing a portable source at 784.7 nm that maintains consistent performance even through a cooling and heating cycle. The calibration of a single photon avalanche detector is demonstrated using light sources with different photon statistics, and the advantages of the single-molecule device are discussed. A relative uncertainty on the intrinsic detection efficiency well below 1 % is attained, representing a new benchmark in the field. |
| title | Advances in quantum metrology with dielectrically structured single photon sources based on molecules |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2407.05525 |