Spatiotemporal light modulation within a fiber laser cavity using a geometric phase metasurface strongly coupled to an ENZ material. (IMAGE)

SPIE--International Society for Optics and Photonics

Spatiotemporal light modulation within a fiber laser cavity using a geometric phase metasurface strongly coupled to an ENZ material.

Caption

Spatiotemporal light modulation within a fiber laser cavity using a geometric phase metasurface strongly coupled to an ENZ material: (a) Schematic illustration of the intracavity spatiotemporal modulation. (b) Transverse mode profile of the Q-switched vortex beam with topological charge l = 2. (c) Interference pattern between a pulsed Gaussian beam and a pulsed vortex beam. (d) Q-switched pulse trace of the vortex beam. (e) Optical spectrum of the pulsed vortex beam.

Credit

Jia, Gao, et al., doi 10.1117/1.AP.5.2.026002

Usage Restrictions

NONE

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.