Tunable linear-optical phase amplification
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866909192494776320 |
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| author | Schwarze, Christopher R. Simon, David S. Ndao, Abdoulaye Sergienko, Alexander V. |
| author_facet | Schwarze, Christopher R. Simon, David S. Ndao, Abdoulaye Sergienko, Alexander V. |
| contents | We combine lossless, phase-only transformations with fully-transmitting linear-optical scatterers to define the principle of linear-optical phase amplification. This enables a physical phase shift $ϕ$ to be nonlinearly mapped to a new space $γ(ϕ)$ using linear optics, resulting in a completely general and enhanced phase shifter that can replace any standard one. A particular phase amplifier is experimentally realized, allowing the phase enhancement parameter $dγ/dϕ$ to be continuously tuned. Placing this enhanced phase shifter in one arm of a Mach-Zehnder interferometer led to an intensity-phase slope more than twenty times steeper than what can be obtained with its unamplified counterpart. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_03868 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tunable linear-optical phase amplification Schwarze, Christopher R. Simon, David S. Ndao, Abdoulaye Sergienko, Alexander V. Optics Quantum Physics We combine lossless, phase-only transformations with fully-transmitting linear-optical scatterers to define the principle of linear-optical phase amplification. This enables a physical phase shift $ϕ$ to be nonlinearly mapped to a new space $γ(ϕ)$ using linear optics, resulting in a completely general and enhanced phase shifter that can replace any standard one. A particular phase amplifier is experimentally realized, allowing the phase enhancement parameter $dγ/dϕ$ to be continuously tuned. Placing this enhanced phase shifter in one arm of a Mach-Zehnder interferometer led to an intensity-phase slope more than twenty times steeper than what can be obtained with its unamplified counterpart. |
| title | Tunable linear-optical phase amplification |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2405.03868 |