Author:
Higaki M.,Miyamura S.,Taue S.,Tokizane Y.,Hase E.,Minamikawa T.,Yasui T.
Abstract
Refractive-index-sensing optical comb is capable of RF-reading high-precision refractive index (RI) measurements. To amplify the RI-dependent frequency shift, we report a method for frequency multiplication of the RF sensor signal based on THz comb.