Unidirectional excitation of various metamaterial interface waveguides. (a) Sources with the angular momentum. (b) SSPPs (±εeff). (c) LWs (±Zsurf). (d) Valley PTIs (±ФBerry). (IMAGE)

SPIE--International Society for Optics and Photonics

Unidirectional excitation of various metamaterial interface waveguides. (a) Sources with the angular momentum. (b) SSPPs (±εeff). (c) LWs (±Zsurf). (d) Valley PTIs (±ФBerry).

Caption

Unidirectional excitation of various metamaterial interface waveguides. (a) Sources with the angular momentum. (b) SSPPs (±εeff). (c) LWs (±Zsurf). (d) Valley PTIs (±ФBerry).

Credit

Xu et al., doi 10.1117/1.AP.4.4.046004

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.