K Suzuki, G Cong, K Tanizawa, SH Kim, K Ikeda… - Optics …, 2015 - europepmc.org
We demonstrate a record-high extinction-ratio of 50.4 dB in a 2× 2 silicon Mach-Zehnder
switch equipped with a variable splitter as the front 3-dB splitter. The variable splitter is …