Highly Unidirectional Emission and Ultralow-Threshold Lasing from On-Chip Ultrahigh-Q Microcavities

被引:196
作者
Jiang, Xue-Feng [1 ,2 ]
Xiao, Yun-Feng [1 ,2 ]
Zou, Chang-Ling [3 ]
He, Lina [4 ]
Dong, Chun-Hua [3 ]
Li, Bei-Bei [1 ,2 ]
Li, Yan [1 ,2 ]
Sun, Fang-Wen [3 ]
Yang, Lan [4 ]
Gong, Qihuang [1 ,2 ]
机构
[1] Peking Univ, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
[2] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[3] Univ Sci & Technol China, Key Lab Quantum Informat, Hefei 230026, Peoples R China
[4] Washington Univ, Dept Elect & Syst Engn, St Louis, MO 63130 USA
基金
美国国家科学基金会;
关键词
unidirectional emission; ultrahigh quality factor; ultralow threshold; whispering gallery mode; microcavity; DIRECTIONAL EMISSION; QUANTUM DOTS; MICROLASERS;
D O I
10.1002/adma.201201229
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ultrahigh-Q optical whispering gallery microcavities are promising platforms for fundamental studies and applied photonics. A new type of on-chip microcavity is experimentally realized, which supports both highly unidirectional emission and ultra-high-Q factors exceeding 100 million in near infrared. By doping erbium, the unidirectional-emission lasing is observed in 1550 nm band with the threshold as low as 2 μW. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:OP260 / OP264
页数:5
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