A metamaterial solid-state terahertz phase modulator

• DOI: 10.1038/nphoton.2009.3
• Publication Date: 2009-02-22T19:00:36Z
• Authors: Hou-Tong Chen; Willie J. Padilla; Michael J. Cich; Abul K. Azad; Richard D. Averitt; Antoinette J. Taylor
• Keywords: Terahertz gap; Terahertz time-domain spectroscopy; Photomixing; Chopper; Modulation (music)

Using a single layer of electrically controlled metamaterial, researchers have achieved active control of the phase of terahertz waves and demonstrated high-speed broadband modulation.