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) Scanning-electron microscope image of the fabricated eight-element microring-based CROW. (b) Zoom-in-view image of an inter-cavity coupling region. (c) Schematic of the cross-sectional view of the optofluidic chip. (d) Schematic of the experimental setup. EDFA: erbium-doped fiber amplifier, PC: polarization controller, PBS: polarized beam splitter, LWD OB: long-working-distance objective lens, OB: objective lens, PD: photodetector.
