Generating and shaping terahertz vortex beams on a single chip

Key Points

• The aim is to convert guided terahertz waves into vortex beams using on-chip technology.
• Utilized fork grating for conversion of guided terahertz waves.
• Focused on a single chip design eliminating the need for external optical components.
• Successfully generated vortex beams from terahertz waves.
• Demonstrated efficient on-chip conversion without external optics.