Photon emission without quantum jumps
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912836150624256 |
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| author | Hartwell, Thomas Hodgson, Daniel Alshemmari, Huda Jose, Gin Beige, Almut |
| author_facet | Hartwell, Thomas Hodgson, Daniel Alshemmari, Huda Jose, Gin Beige, Almut |
| contents | When modelling photon emission, we often assume that the emitter experiences a random quantum jump. When a quantum jump occurs, the emitter transitions suddenly into a lower energy level, while spontaneously generating a single photon. However, this point of view is misleading when modelling quantum optical systems which rely on far-field interference effects for applications like distributed quantum computing and non-invasive photonic quantum sensing. In this paper, we highlight that the dynamics of an emitter in the free radiation field can be described by simply solving a Schroedinger equation based on a locally-acting Hamiltonian without invoking the notion of quantum jumps. Our approach is nevertheless consistent with quantum optical master equations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_01702 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Photon emission without quantum jumps Hartwell, Thomas Hodgson, Daniel Alshemmari, Huda Jose, Gin Beige, Almut Quantum Physics When modelling photon emission, we often assume that the emitter experiences a random quantum jump. When a quantum jump occurs, the emitter transitions suddenly into a lower energy level, while spontaneously generating a single photon. However, this point of view is misleading when modelling quantum optical systems which rely on far-field interference effects for applications like distributed quantum computing and non-invasive photonic quantum sensing. In this paper, we highlight that the dynamics of an emitter in the free radiation field can be described by simply solving a Schroedinger equation based on a locally-acting Hamiltonian without invoking the notion of quantum jumps. Our approach is nevertheless consistent with quantum optical master equations. |
| title | Photon emission without quantum jumps |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2509.01702 |