Ultraviolet to mid-infrared supercontinuum generation in single-crystalline aluminum nitride waveguides

被引：38
|
作者：
Lu, Juanjuan [1 ]
Liu, Xianwen [1 ]
Bruch, Alexander W. [1 ]
Zhang, Liang [2 ]
Wang, Junxi [2 ]
Yan, Jianchang [2 ]
Tang, Hong X. [1 ]
机构：
[1] Yale Univ, Dept Elect Engn, New Haven, CT 06511 USA
[2] Chinese Acad Sci, Inst Semicond, Res & Dev Ctr Semicond Lighting, Beijing 100083, Peoples R China
来源：
OPTICS LETTERS | 2020年 / 45卷 / 16期
关键词：
FREQUENCY-COMB; ALGAAS; KERR;
D O I：
10.1364/OL.398257
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate ultrabroadband supercontinuum generation from ultraviolet to mid-infrared wavelengths in single-crystalline aluminum nitride waveguides. Tunable dispersive waves are observed at the mid-infrared regime by precisely controlling the waveguide widths. In addition, ultraviolet light is generated through cascaded second-harmonic generation in the modal phase-matched waveguides. Numerical simulation indicates a high degree of coherence of the generated spectrum at around the telecom pump and two dispersive waves. Our results establish a reliable path for multiple octave supercontinuum comb generation in single-crystalline aluminum nitride to enable applications including precision frequency metrology and spectroscopy. (C) 2020 Optical Society of America
引用
收藏
页码：4499 / 4502
页数：4
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