Ultraviolet to mid-infrared supercontinuum generation in single-crystalline aluminum nitride waveguides
Abstract
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.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Aug 10, 2020
- Source ID
- 10.1364/ol.398257
Entities
People
- Alexander W. Bruch
- Hong X Tang
- Jianchang Yan
- Juanjuan Lu
- Junxi Wang
- Liang Zhang
- Xianwen Liu
Organizations
- David and Lucile Packard Foundation
- Defense Advanced Research Projects Agency