Realisation of a Coherent and Efficient One-Dimensional Atom
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917767748255744 |
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| author | Tomm, Natasha Antoniadis, Nadia O. Janovitch, Marcelo Brunelli, Matteo Schott, Rüdiger Valentin, Sascha R. Wieck, Andreas D. Ludwig, Arne Potts, Patrick Javadi, Alisa Warburton, Richard J. |
| author_facet | Tomm, Natasha Antoniadis, Nadia O. Janovitch, Marcelo Brunelli, Matteo Schott, Rüdiger Valentin, Sascha R. Wieck, Andreas D. Ludwig, Arne Potts, Patrick Javadi, Alisa Warburton, Richard J. |
| contents | A quantum emitter interacting with photons in a single optical-mode constitutes a one-dimensional atom. A coherent and efficiently coupled one-dimensional atom provides a large nonlinearity, enabling photonic quantum gates. Achieving a high coupling efficiency ($β$-factor) and low dephasing is challenging. Here, we use a semiconductor quantum dot in an open microcavity as an implementation of a one-dimensional atom. With a weak laser input, we achieve an extinction of $99.2\%$ in transmission and a concomitant bunching in the photon statistics of $g^{(2)}(0) = 587$, showcasing the reflection of the single-photon component and the transmission of the multi-photon components of the coherent input. The tunable nature of the microcavity allows $β$ to be adjusted and gives control over the photon statistics -- from strong bunching to anti-bunching -- and the phase of the transmitted photons. We obtain excellent agreement between experiment and theory by going beyond the single-mode Jaynes-Cummings model. Our results pave the way towards the creation of exotic photonic states and two-photon phase gates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_12568 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Realisation of a Coherent and Efficient One-Dimensional Atom Tomm, Natasha Antoniadis, Nadia O. Janovitch, Marcelo Brunelli, Matteo Schott, Rüdiger Valentin, Sascha R. Wieck, Andreas D. Ludwig, Arne Potts, Patrick Javadi, Alisa Warburton, Richard J. Quantum Physics Optics A quantum emitter interacting with photons in a single optical-mode constitutes a one-dimensional atom. A coherent and efficiently coupled one-dimensional atom provides a large nonlinearity, enabling photonic quantum gates. Achieving a high coupling efficiency ($β$-factor) and low dephasing is challenging. Here, we use a semiconductor quantum dot in an open microcavity as an implementation of a one-dimensional atom. With a weak laser input, we achieve an extinction of $99.2\%$ in transmission and a concomitant bunching in the photon statistics of $g^{(2)}(0) = 587$, showcasing the reflection of the single-photon component and the transmission of the multi-photon components of the coherent input. The tunable nature of the microcavity allows $β$ to be adjusted and gives control over the photon statistics -- from strong bunching to anti-bunching -- and the phase of the transmitted photons. We obtain excellent agreement between experiment and theory by going beyond the single-mode Jaynes-Cummings model. Our results pave the way towards the creation of exotic photonic states and two-photon phase gates. |
| title | Realisation of a Coherent and Efficient One-Dimensional Atom |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2402.12568 |