首页|Room-temperature phonon-coupled single-photon emission in hexagonal boron nitride

Room-temperature phonon-coupled single-photon emission in hexagonal boron nitride

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Photon-lattice(phonon)coupling is fundamental to light-matter interaction,particularly when it reaches the quantum limit of the phonon-coupled single-photon emission,which holds great potential for quantum manipulation and quantum information transduction.Here,we report single defect state-phonon coupling in hexagonal boron nitride(hBN)at room temperature.An ultrabroad spectrum of single-photon emissions can be achieved by selecting the excitation energies.Using photoluminescence excitation spectroscopy,we observe single-phonon-assisted resonance-enhanced single-photon emission,along with multiple phonon replicas that herald the creation of phonon Fock state.We also develop a transition model to gain insight into the physical process behind the single defect state-phonon coupling.Our work sets the stage for manipulating electron-phonon coupling state with single quantum-level precision at room temperature.

photon-phonon couplingsingle-photon emissionhexagonal boron nitride

Jia-Min Lai、Qing-Hai Tan、Feilong Song、Haonan Chang、Yanpei Lv、Xue-Lu Liu、Jinghua Teng、Weibo Gao、Ping-Heng Tan、Jun Zhang

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State Key Laboratory of Superlattices and Microstructures,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education & Research Institute of Materials Science,Shanxi Normal University,Taiyuan 030000,China

Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

Division of Physics and Applied Physics,School of Physical and Mathematical Sciences,Nanyang Technological University,Singapore 637371,Singapore

Institute of Materials Research and Engineering(IMRE),Agency for Science,Technology and Research(A*STAR),Singapore 138634,Singapore

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CAS Interdisciplinary Innovation TeamNational Natural Science Foundation of ChinaStrategic Priority Research Program of Chinese Academy of SciencesResearch Equipment Development Project of Chinese Academy of SciencesChinese Academy of Sciencesthe Scientific and Technological Research council of TüRK?YE Joint Research Projects

12074371XDB28000000YJKYYQ20210001172111KYSB20210004

2024

10.1007/s11433-023-2327-5

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(5)