| Download | - View final version: Observation of a large, resonant, cross-Kerr nonlinearity in a cold Rydberg gas (PDF, 651 KiB)
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| DOI | Resolve DOI: https://doi.org/10.1103/PhysRevResearch.1.033193 |
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| Author | Search for: Sinclair, JosiahORCID identifier: https://orcid.org/0000-0002-1523-8295; Search for: Angulo, Daniela; Search for: Lupu-Gladstein, Noah; Search for: Bonsma-Fisher, Kent1; Search for: Steinberg, Aephraim M. |
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| Affiliation | - National Research Council Canada. Security and Disruptive Technologies
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| Format | Text, Article |
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| Subject | electromagnetically induced transparency; light-matter interaction; nonlinear optics; quantum optics; Van der Waals interaction; Ryberg atoms & molecules; atom & ion cooling |
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| Abstract | We report the experimental observation of a cross-Kerr nonlinearity in a free-space medium based on resonantly excited, interacting Rydberg atoms and electromagnetically induced transparency. The nonlinearity is used to implement cross-phase modulation between two optical pulses. The nonlinear phase written onto the probe pulse is measured to be as large as 8 mrad per nanowatt of signal power, corresponding to a χ⁽³⁾ of 10⁻⁸ m²/V². Potential applications range from optical quantum information processing to quantum nondemolition measurement of photon number. |
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| Publication date | 2019-12-20 |
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| Publisher | American Physical Society |
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| Licence | |
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| Language | English |
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| Peer reviewed | Yes |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 726e3994-40ec-43e1-aad0-8fc79aa10359 |
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| Record created | 2022-02-18 |
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| Record modified | 2022-02-22 |
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