学术报告（6.20）

主持人：唐健

摘要：

We developed a photon scattering theory [1–3] to study multi-photon transports and bound state behaviors in low dimensional confined systems (e.g., the photonic waveguides and the photonic crystals) coupled to some quantum emitters. Using the path integral formalism, we show the exact results for the transmission spectra and second order correlation functions of scattered photons, which agree with the Markovian results from the quantum regression theorem. This formalism provides a systematical and convenient way to investigate the exotic photon statistics in the system with strong single-photon nonlinearities (e.g., Rydberg-EIT systems) and the generations of single photon (bundles) [4]. By considering the Markovian effects, we show that a single two-level impurity can bind multi-photons

around it to form N-photon bound states [5] in the nonlinear photon bath.

[1] T. Shi and C. P. Sun, Phys. Rev. B 79, 205111 (2009).

[2] T. Caneva, M. T. Manzoni, T. Shi, J. S. Douglas, J. I. Cirac, and D. E. Chang, New J. of Phys. 17, 113001 (2015).

[3] T. Shi, D. E. Chang, J. I. Cirac, Phys. Rev. A 92, 053834 (2015).

[4] Y. Chang, A. Gonz_alez-Tudela, C. S_anchez-Mu~noz, C. Navarrete-Benlloch, and T. Shi, arXiv:1510.07307 (2015).

[5] T. Shi, Y. H. Wu, A. Gonzalez-Tudela, J. I. Cirac, Phys. Rev. X 6 021027 (2016).

报告人简介：

石弢博士，现担任德国马克斯普朗克量子光学研究所博士后研究员，研究领域是量子光学，量子模拟，冷原子和分子物理，凝聚态物理。2002年9月至2006年7月，石弢在天津南开大学获得物理学学士学位；2006年9月至2011年7月，石弢在中科院理论所师从孙昌璞院士，获理学博士学位。自2011年9月起，石弢旅德在马普量子光学研究所从事博士后研究工作。