Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) The wavelength is tuned to three different values by applying three different current pairs to phase modulator PM3 (1, 3 and 5 mA) and PM6 (1.1, 3.1 and 5.2 mA) in the ring resonators. (b) A zoom-in view of the wavelength tuning.
