Tunable bandpass routers of single photons with three-level emitters

Huang, J. C.; Feng, Ximeng; Xu, Zhonghui; Li, Yanling; Wu, Kai-Yan

doi:10.1007/s11128-023-04039-5

Cited by 2 publications

(1 citation statement)

References 49 publications

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“…To the best of our knowledge, few studies on frequency-tunable routing for single photons have been carried out. Compared with our previous scheme, [36] where the bandpass router is constructed by a T-shaped waveguide linked by a driven three-level emitter, and a reflector with the accurate phase shift is utilized to improve the routing efficiency, the proposed routing structure only consists of a single-point resonator coupled with a driven threelevel emitter, and there is not the additional reflecting mirror, which reduces its complexity of the coupled structure. By using a real-space approach, the single-photon routing amplitude from the bus waveguide to another is obtained analytically.…”

Section: Introductionmentioning

confidence: 99%

Frequency-tunable single-photon router based on a microresonator containing a driven three-level emitter

Huang 黄,

Hu 胡,

Li 李

et al. 2024

Chinese Phys. B

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We propose a frequency tunable router of single photons with high routing efficiency, which is constructed by two waveguides mediately linked by a single-mode whispering gallery resonator with a driven three-level emitter. Quantum routing probability in the output port is obtained via the real-space Hamiltonian. By adjusting the resonator-emitter coupling and the drive, the desired continuous central frequencies for the resonance peaks of routing photons can be manipulated nearly linearly, with the assistance of Rabi splitting effect and optical Stark shift. The proposed routing system may provide potential applications in designing other frequency-modulation quantum optical devices, such as multiplexers, filters, and so.

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Section: Introductionmentioning

confidence: 99%

Frequency-tunable single-photon router based on a microresonator containing a driven three-level emitter

Huang 黄,

Hu 胡,

Li 李

et al. 2024

Chinese Phys. B

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Phase-modulated single-photon router and chiral scattering between two waveguides coupled by a giant three-level atom

Zhou,

Zhu,

Zhang

et al. 2024

Laser Phys. Lett.

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We investigate a T-shaped single-photon router constructed by two waveguides connected via a giant Λ-type three-level atom. Under a real-space approach, the analytical expressions of the single-photon transmission and reflection amplitudes are obtained. It is shown that a high transfer-rate routing between two waveguides can be effectively achieved by modulating the phase difference, the accumulated phase and the atom-waveguide coupling strengths, and its frequencies can be tuned with a classical driving field. Interestingly, chiral scattering and a single-photon targeted router with direction selectivity have been realized by the ideally equivalent atom-waveguide interaction. We believe that our results have potential applications in constructing optical quantum devices and designing the single-photon quantum routing using the giant-atom setup.

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Tunable bandpass routers of single photons with three-level emitters

Cited by 2 publications

References 49 publications

Frequency-tunable single-photon router based on a microresonator containing a driven three-level emitter

Frequency-tunable single-photon router based on a microresonator containing a driven three-level emitter

Phase-modulated single-photon router and chiral scattering between two waveguides coupled by a giant three-level atom

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