A Fano Cavity–Photon Interface for Directional Suppression of Spectral Diffusion of a Single Perovskite NanoplateletClick to copy article linkArticle link copied!
- Yuqing Huang*Yuqing Huang*Email for Y.H.: [email protected]Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore637371, SingaporeMore by Yuqing Huang
- Rui SuRui SuDivision of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore637371, SingaporeSchool of Electrical and Electronic Engineering, Nanyang Technological University, Singapore637371, SingaporeMore by Rui Su
- Yubin WangYubin WangState Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing100084, People’s Republic of ChinaMore by Yubin Wang
- Chao ZhuChao ZhuSEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Collaborative Innovation Center for Micro/Nano Fabrication, Device and System, Southeast University, Nanjing210096, People’s Republic of ChinaMore by Chao Zhu
- Jiangang FengJiangang FengDivision of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore637371, SingaporeMore by Jiangang Feng
- Jiaxin ZhaoJiaxin ZhaoDivision of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore637371, SingaporeMore by Jiaxin Zhao
- Zheng LiuZheng LiuSchool of Materials Science and Engineering, Nanyang Technological University, Singapore639798, SingaporeMore by Zheng Liu
- Qihua Xiong*Qihua Xiong*Email for Q.X.: [email protected]State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing100084, People’s Republic of ChinaFrontier Science Center for Quantum Information, Beijing100084, People’s Republic of ChinaCollaborative Innovation Center of Quantum Matter, Beijing100871, People’s Republic of ChinaBeijing Academy of Quantum Information Sciences, Beijing100193, P.R. ChinaMore by Qihua Xiong
Abstract
Colloidal nanocrystals that are capable of mass production with wet chemical synthesis have long been proposed as color-tunable, scalable quantum emitters for information processing and communication. However, they constantly suffer from spectral diffusion due to being exposed to a noisy electrostatic environment. Herein we demonstrate a cavity–photon interface (CPI) which effectively suppresses the temperature-activated spectral diffusion (SD) of a single perovskite nanoplatelet (NPL) up to 40 K. The spectrally stabilized single-photon emission is achieved at a specific emission direction corresponding to an inhibited dipole moment of the NPL as the result of the Fano coupling between the two photon dissipation channels of the NPL. Our results shed light on the nature of the SD of perovskite nanocrystals and offer a general cavity quantum electrodynamic scheme that controls the brightness and spectral dynamics of a single-photon emitter.
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