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Waveguide QED: Many-body bound-state effects in coherent and Fock-state scattering from a two-level system
Open accessAbstract
Strong coupling between a two-level system (TLS) and bosonic modes produces dramatic quantum optics effects. We consider a one-dimensional continuum of bosons coupled to a single localized TLS, a system which may be realized in a variety of plasmonic, photonic, or electronic contexts. We present the exact many-body scattering eigenstate obtained by imposing open boundary conditions. Multiphoton bound states appear in the scattering of two or more photons due to the coupling between the photons and the TLS. Such bound states are shown to have a large effect on scattering of both Fock- and coherent-state wave packets, especially in the intermediate coupling-strength regime. We compare the statistics of the transmitted light with a coherent state having the same mean photon number: as the interaction strength increases, the one-photon probability is suppressed rapidly, and the two- and three-photon probabilities are greatly enhanced due to the many-body bound states. This results in non-Poissonian light.
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Cites
Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics
Wallraff, A., Schuster, D. I., Blais, A., Frunzio, L., Huang, R. S., Majer, J., Kumar, S., Girvin, S. M., & Schoelkopf, R. J. (2004) · Nature · doi:10.1038/nature02851 · Cited by 3,796
Loudon, R. (2000) · doi:10.1093/oso/9780198501770.001.0001 · Cited by 1,890
Cited by
Microwave photonics with superconducting quantum circuits
Gu, X., Kockum, A. F., Miranowicz, A., Liu, Y.-X., & Nori, F. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.10.002 · Cited by 1,307
Anomalous Hall effects of light and chiral edge modes on the Kagomé lattice
Petrescu, A., Houck, A. A., & Le Hur, K. (2012) · Physical Review A · doi:10.1103/physreva.86.053804 · Cited by 83
Arranz Regidor, S., Knorr, A., & Hughes, S. (2025) · Physical Review Research · doi:10.1103/lp1b-yswm · Cited by 3
Metadata
- Authors
- Zheng, H., Gauthier, D. J., & Baranger, H. U.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 2010-12-14
- Volume
- 82
- Issue
- 6
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2110353251
- Cited by
- 223
- References
- 2
- FWCI
- 5.86
- Type
- journal article
- Language
- en
- Open access
- green
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- Zheng, H., Gauthier, D. J., & Baranger, H. U. (2010). Waveguide QED: Many-body bound-state effects in coherent and Fock-state scattering from a two-level system. Physical Review A. https://doi.org/10.1103/physreva.82.063816
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