期刊
OPTICS LETTERS
卷 45, 期 16, 页码 4499-4502出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.398257
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资金
- Defense Advanced Research Projects Agency
- David and Lucile Packard Foundation
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
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