Optically controlled_In-text-illustration (IMAGE)

SPIE--International Society for Optics and Photonics

Optically controlled_In-text-illustration

Caption

Experimental demonstration of the dynamic dual-mode THz wave modulation. (a) Schematics of the basic meta-atom consisting of a quartz substrate and silicon pillar. (b) Tilt-view SEM image of the fabricated sample. (c, d) Measured (open circles) and simulated (solid lines) transmission-amplitude spectra of the fabricated metasurface, under external pumping at (c) 515 nm and (d) 1030 nm with different pump fluences.

Credit

Zhou et al., doi 10.1117/1.AP.5.2.026005

Usage Restrictions

None

License

Licensed 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.