Integrated electro-optic switch in liquid crystals

A. Fratalocchi, R. Asquini, and G. Assanto

Opt. Express 13, 32-37 (2005)


We demonstrate a compact, low-power and broadband electro-optic switch in a simple waveguide geometry with undoped nematic liquid crystals. We experimentally achieve near infrared switching and signal routing with voltage modulations as low as 0.21V and a device length of 0.16mm.