Buildup dynamics of room-temperature polariton condensation

被引：3

作者：

Chen, Fei ^{[1
]}

Zhou, Hang ^{[2
]}

Ye, Ziyu ^{[1
]}

Luo, Song ^{[2
]}

Sun, Zheng ^{[1
]}

Zheng, Yuanlin ^{[3
]}

Chen, Xianfeng ^{[3
,4
]}

Xu, Huailiang ^{[1
]}

Xu, Hongxing ^{[1
]}

Byrnes, Tim ^{[1
,5
,6
,7
,8
]}

Li, Hui ^{[1
]}

Chen, Zhanghai ^{[2
,11
,12
]}

Wu, Jian ^{[1
,9
,10
]}

机构：

[1] East China Normal Univ, State Key Lab Precis Spect, Shanghai 200241, Peoples R China

[2] Xiamen Univ, Coll Phys Sci & Technol, Dept Phys, Xiamen 361005, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Phys & Astron, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China

[4] Shandong Normal Univ, Collaborat Innovat Ctr Light Manipulat & Applicat, Jinan 250358, Peoples R China

[5] New York Univ Shanghai, Div Arts & Sci, 1555 Century Ave, Shanghai 200122, Peoples R China

[6] NYU ECNU Inst Phys NYU Shanghai, 3663 Zhongshan Rd North, Shanghai 200062, Peoples R China

[7] NYU, Dept Phys, New York, NY 10003 USA

[8] New York Univ Abu Dhabi, Ctr Quantum & Topol Syst CQTS, NYUAD Res Inst, Abu Dhabi, U Arab Emirates

[9] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China

[10] CAS Ctr Excellence Ultraintense Laser Sci, Shanghai 201800, Peoples R China

[11] Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China

[12] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

PHYSICAL REVIEW B | 2022年 / 106卷 / 02期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

BOSE-EINSTEIN CONDENSATION; MICROCAVITY;

D O I：

10.1103/PhysRevB.106.L020301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By using the femtosecond angle-resolved spectroscopic imaging technique, the ultrafast buildup dynamics of room-temperature polariton condensation is explicitly visualized in a ZnO whispering gallery mode microcavity. The buildup time of polariton condensation with respect to the arrival of the femtosecond pump pulse decreases with the increasing pump power and reaches a lower limit of about 4 ps. Simulation results by numerically solving the open-dissipative Gross-Pitaevskii equation coupled to an incoherent reservoir are in quantitative agreement with the experimental observations, showing that the scattering from exciton reservoir to the lower polariton branches and the decay from these branches dominate the buildup process.

引用

页数：6

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