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Chiral Single Photon Routing via Cavity-Assisted Spin-Momentum Locking

Mujie Rao1, Jiawei Yang1, Changkun Song1

  • 1State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, School of Physics, Sun Yat-Sen University, Guangzhou 510006, China.

Nano Letters
|July 7, 2025
PubMed
Summary

Researchers developed a unidirectional chiral quantum interface using quantum dots in a microring resonator. This breakthrough enables controlled single photon routing for scalable quantum networks.

Keywords:
chiral single photonmicroringquantum dotspin-momentum lockingspin-resolved Purcell effect

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